biology essay waec 2022

itsmyschoollibrary

Your lesson notes in a blink.

Past Questions & Answer

2022 WAEC Biology Objectives and Essay Questions with Solutions

ORDER OF CONTENT

Objectives Questions
Theory Questions
Objectives solutions
Theory solutions

OBJECTIVES QUESTIONS

1. Which of the following statements about living things is correct? A. Animals respire using carbon (IV) oxide as a raw material B. Growth in plants is limited after some time C. Most plants respond to stimulus slowly D. Higher animals can reproduce asexually

2. Organ level of organization in living things is found in A. water leaf plant. B. virus particle. C. kidney. D. spermatozoon.

Diagrams X and Y below are illustrations of transverse sections of a part of plants. Study them and answer questions 3 to 5.

3. Which of the following statements is not correct? Diagrams X and Y are sections of A. roots. B. a dicotyledonous root and a monocotyledonous root respectively. C. vascular bundles. D. stems.

4. The part responsible for conducting water and dissolved mineral salts from the soil to the leaves is labelled A. I. B. II. C. III D. IV.

5. The part labelled II is the A. pith. B. xylem. C. phloem. D. endodermis.

6. The organelles in cells which are also referred to as suicidal bags are the A. mitochondria. B. lysosomes. C. ribosomes. D. nuclei.

7. The process that brings about the shrinking of a Spirogyra cell when placed in a strong solution is A. osmosis. B. autolysis. C. plasmolysis. D. diffusion.

8. The region of a plant stem in which cells divide to increase its diameter is the A. cambium. B. phloem. C. xylem. D. collenchyma.

9. The total number of caudal vertebrae in animals X and Y is 4 and 27 respectively. The animals are likely to be A. fish and human. B. toad and rat. C. toad and fish. D. humans and rat.

10. Which of the following blood components has the greatest affinity for oxygen and carbon (IV) oxide? A. Lymphocyte B. Erythrocyte C. Blood plasma D. Thrombocyte

Use the following processes to answer questions 11 and 12. I- Ribs move upward and outward II- Diaphragm relaxes I- Volume of thorax increases IV- Air is forced out of the lungs

11. Which of the processes take place during inspiration? A. I and III only B. l and Ill only C. II and IV only D. III and IV only

12. Which of the processes is a direct result of contraction of the intercostal muscles? A. I B. II C. III D. IV

13. The process by which the amount of water and solutes in the blood are controlled is known as A. haemolysis. B. diffusion. C. turgidity. D. osmoregulation.

The table below shows the effect of hormones I, II, III and IV on some parts of the human body. Where (✓) represents effect and (x) represents no effect of hormone on the corresponding part of the body. Study it and answer questions 14 and 15.

14. Which of the following hormones are I, II, III and IV respectively? A. ADH, Glucagon, Oestrogen, Adrenaline B. Adrenaline, Glucagon, Oestrogen, ADH C. Glucagon, ADH, Oestrogen, Adrenaline D. Adrenaline, ADH, Oestrogen, Glucagon

15. The hormone responsible for anxiety is A. I. B. II C. IM D. IV

The diagram below is an illustration of some parts of a mammalian car. Study it and answer questions 16 to 18.

16. The parts labelled I are the A. semi circular canals. B. ossicles. C. cochlea D. external auditory meatus.

17. Which of the parts are correctly grouped? inner ear Middle ear Outer ear

18. The middle ear is connected to the pharynx by the part labelled A.. I. B. II C. III D. IV.

The diagrams below are illustrations of two different cells involved in a biological process in mammals. Study them and answer questions 19 to 21.

19. Which parts of P and Q fuse to complete the biological process’? A. III and I. B. IV and I C. III and II D. IV and I

20. Which of the following statements about P and Q is correct? A. Both cells are structures for asexual reproduction B. Both cells normally belong to the same individual C. Both cells are found in plants D. The union of both cells gives rise to a new mammal.

21. If the number of chromosomes in the skin cells of mammals is 46, how many chromosomes would be found in P and Q respectively? A. 23 and 23 B. 23 and 46 C. 46 and 23 D. 46 and 46

22. In which of the following structures is simple sugar produced? A. Vacuole B. Cytoplasm C. Chloroplast D. Cell wall

23. An evidence of the occurrence of photosynthesis in an experiment is the A. release of carbon (IV) oxide. B. release of Oxygen. C. formation of water molecules. D. formation and release of fructose.

24. The major sources of vitamin A are A. egg yolk, carrot and palm oil. B. mango, pawpaw and eggs. C. sorghum, soya bean and liver. D. rice bran, green vegetables and milk.

Diagram J is a protease while diagrams K, L, M and N are food substances. Study them and answer questions 25 to 27.

25. Which of the illustrated food substances would form a reaction with protease J? A. KB. LC. M D. N

26. Protease J would react with the particular illustrated substance because enzymes A. are denatured at a high frequency. B. are specific in their action. C. remain unchanged after a reaction. D. speed up the rate of chemical reaction.

27. After a reaction between protease J and the food substance, the end-product would be A. fatty acids. B. glucose. C. amino acids. D. water.

28. The property of clayey soil that prevents it from supporting thick vegetation is its A. composition of chemically weathered granite rocks. B. inability to retain much water. C. tendency of becoming waterlogged. D. porosity and low water-retention ability.

29. Which of the following practices will not maintain soil fertility? A. Preventing soil erosion B. Bush fallowing C. Leaving the land bare D. Planting cover crops.

30. A group of organisms of the same species living in a particular place is known as A. colony. B. community. C. ecosystem. D. population. The diagram below is an illustration of an experiment on sedimentation of soil. Use it to answer questions 31 and 32

31. The organic component of the soil is labelled A. I. B. II C. III D. IV

32. The part labelled IV is A. silt. B. sand. C. humus. D. clay.

33. Which of the following pyramids is not used in ecology? Pyramid of A energy B. numbers C. biomass D. organisms.

Study the food chain illustrated below and use it to answer questions 34 to 36

34. Organism J is normally sustained by energy from A. green plants. B. carbohydrates. C. organism K. D. sunlight.

35. Which of the following statements about organism L is correct? It A. feeds on organism MB. is a primary Consumer C. is the producer D. is a secondary consumer

36. The position occupied by each of organisms J, K, L, M and N in the food chain is known as the A. energy level. B. trophic level. C. food web. D. pyramid of numbers.

37. Which of the following features is not an adaptation of plants to aquatic habitats? A. Breathing roots for entry of air B. Flowers are raised above water to attract pollinators C. Spongy tissues containing gases for buoyancy D. Hairy structures on the leaves to reduce water loss

38. The biological association that contributes directly to succession in a community is A. competition. B. predation. C. parasitism. D. commensalism.

39. The conservation of natural resources is enhanced by the following practices except A. controlling farming activities. B. protecting endangered species. C. poaching in game reserves D. establishing parks and gardens.

40. The burning of farmlands should be discouraged because it A. destroys the organic components of the soil. B. increases the population of wild animals on the farm. C. increases the dormancy period of some seeds. D. destroys some plant pests.

41. The use of a lighter instead of match sticks is a way of conserving A. petroleum. B. forest. C. water. D. wildlife.

42. An accident victim was successfully transfused with blood from the father whose blood group is AB. The blood group of the accident victim is A. B, . B. O,. C. AB,. D. A,.

43. Which of the following traits in humans is an example of physiological variation? A. Skin colour B. Fingerprint C. Tongue rolling D. Height

44. Individuals belonging to blood group O are universal donors because A. antigens are absent in their blood cells. B. members of the group constitute the highest number of humans. C. there are no antibodies in their blood plasma. D. the antigens in their blood cells are easily destroyed.

45. Two tall plants were crossed and all the F1 plants were tail. When the F1 plants were selfed, some of the F, plants were tall while others were short. What are the possible genotypes of the original plants? A. Tt and tt B. TT and TT C. tt and tt D. TT and Tt

46. Which of the following statements best describes a test cross? It is A. to determine the genotype of an individual whose phenotype is known B. to determine the phenotype of an individual whose genotype is known C. between the progeny of parents to ascertain their external expressions D. between two homozygous recessive individuals to confirm the genotypes of the offspring.

47. Which of the following statements about sex-linked traits is not correct? A. Males inherit sex-linked traits from their fathers B. Sex-linked traits are more common in males C. Females can be carriers because they can be heterozygous for the trait D. Males are never carriers since they only receive one sex chromosome

48. When two carriers of sickle cell anaemia produce an offspring, the probability of the offspring being a sickler is A. ¾ B.¼ 4 C. ½ D ⅔

49. Which of the following organisms exhibits adaptive colouration? A. Rabbit B. Chameleon C. Mouse D. Dog

THEORY QUESTIONS

1ai)What is a cell? (ii) Name three scientists that are associated with the discovery of the cell. bi) Make a diagram, 6cm to 8cm long of a plant cell and label only the organelle responsible for cell reproduction. ii) Name one blood cell in humans that does not have the organelle in bi). iii) What is the biological implication of the cell named 1b(ii) not possessing the organelle responsible for cell reproduction? (c) List six organelles found in a plant cell.

2 (a) Complete the table by ticking (✓) the appropriate group to which each of the listed elements required by plants belongs.

(ii) four differences between the dentition of a human and a goat.

3a(i) What is an ecological niche’? i) State five roles played by a mango tree in its ecological niche. bi) State two reasons why ecologists use sampling techniques in population studies.

ii) State four examples of sampling techniques used in population studies. (c) Name four types of fingerprints in humans. di) Name the plant used by Gregor Mendel in his experiment. ii) State two reasons why the plant name in 3d(i) was used

4a(i)What are conservation laws? ii) State three conservation laws. bi) State two reasons why animals are poached i) Name five animals that are commonly poached. c) State four effects of excessive use of the forest.

(d) Explain briefly the following terms: i) blood transfusion, ii) antigen.

5a(i)State three differences between the alimentary canals of earthworm and cockroach.

(i) State three similarities between the alimentary canals of earthworm and cockroach.

(ii) The diagram below is an illustration of a biological cycle. Study it and answer questions 5b(i) to 5b(iii)

) Name the biological cycle. (ii) Explain briefly three roles played by plants and animals in the cycle. (ii) Name the processes that occur in X, Y and Z.

di) What is decay of organic matter? (ii) Name two groups of organisms that cause decay of organic matter. iii) State one other factor that causes decay. (iv) Name the biological cycle that involves decay. (e) Explain briefly the mode of nutrition in carnivorous plants.

OBJECTIVES SOLUTIONS

• Most plants respond to stimulus slowly

. Growth in plants continues as long as the plant lives. In animals however, growth is limited. An animal grows for a while and then growth ceases. • Carbon (IV) oxide is not a raw material for respiration. Instead, it is a product of respiration.

2. C: • Waterleaf plant is Organism level • Kidney is Organ level • Spermatozoon is Cell level • Virus is at the borderline between living and non-living things

3. D: • X represents a dicotyledonous root while Y represents a monocotyiedonous root

NB The presence of root hairs is enough to inform us that the diagrams do not represent stems.

4. A: The part lebelled I’ is xylem. It is re- sponsible for the conduction of water and mineral salts.

5. A: I Xylem II pith III cortex

6. B: The organelles which are referred to as suicidal bags are the lysosomes. They earn this name due to the fact that they can destroy other cell components.

7. C: Plasmolysis is simply the loss of water from a cell when the cell is placed in a hypertonic solution. This loss of water causes shrinking.

8. A: Cambium contains meristematic cells. These cells are capable of active

9. D: Human has 4 caudal vertebrae, rabbit has 16 while rat has 27-30

10. B: The haemoglobin in erythrocytes transports oxygen to individual body cells for tissue respiration. Also, carbondioxide which is a by-product of this energy generating process is transported by haemoglobin to the lungs for elimination.

11. A: I and III are associated with inhalation/inspiration while II and IV are associated with exhalation/expiration.

12. A: The contraction of the intercostal muscles causes the ribs to move upwards and outwards. This then causes an increase in the volume of the thoracic cage, enabling more air to rush into the lungs (as the pressure drops).

13. D: The process by which the amount of water and solutes in the blood are controlled is known as osmoregulation. 14. D: I is Adrenaline II is Antidiuretic hormone (ADH) IIl is 0estrogen IV is Glucagon

15. A: Adrenaline is the hormone responsible for anxiety.

16. B: I refers to the ear ossicles. These bones are reputed as the smallest bones in the body. They are three in number: . Malleus (Hammer) • Incus (Anvil) • Stapes (Stirrup)

17. D: The outer ear comprises the pinna and the auditory canal. The ear drum is at the junction of the outer ear and the middle ear. The middle ear comprises the ear ossicles and the Eustachian tube. The inner ear comprises the cochlea, the semi- circular canals and the nerves.

18. C: The middle ear is connected to the pharynx by the Eustachian tube (labelled as III). This explains why the Eustachian tube is also known as Pha- ryngotympanic tube.

19. A: The process of fertilization involves the fusion of the nuclei of the male and female gametes.

20. D: • Union of male and female gametes occurs in sexual reproduction, not asexual reproduction. The male gamete will be from the male individual while the female gamete will be from the female in- dividual.

21. A: The skin cell is a somatic cell. The number of chromosomes in the sex cell is always half of that in the somatic cell for a given species. Since P and are sex cells, number of chromosomes in each of them will be ½x 46=23

22. C: The chloroplast is the organelle where photosynthesis occurs. Thus, it can be said that simple sugar is produced in the chloroplast.

23. B: Oxygen is a by-product of photosynthesis. Thus, its release is an evidence for the occurrence of photosynthesis

24. A: The sources of vitamin A include egg, palm oil, carrot sweet potatoes, mango, papaya etc.

25. B: It is food substance L’ that would form a reaction with protease. The shapes of the enzyme and the food substance conform to the lock and key hypothesis.

26. B: Enzymes are specific in their ac- tion.

27. C: Since the enzyme is a protease, the food class it acts on is protein. The end product of digestion of protein is amino acid.

28. C: Clayey soil has a very high ten- dency of becoming water-logged. 45. This blocks root absorption and consequently limit the access to necessary nutrients.

29. C: Leaving the soil bare does not help soil fertility in any way. Instead, it favours soil erosion.

30. D: A group of organisms of the same species living in a particular place is termed population. A collection of organisms of different species living together constitutes a community.

31. A: The part labelled T is the humus. The humus is the organic component of the soil.

32. B: The bottom-most part comprises stones while the penultimate part (IV) comprises sand.

33. D: We have pyramids of energy, numbers and biomass. There is no such thing as pyramid of organisms.

34. D: J’ is the producer. It obtains its energy from the sun. The energy is harnessed in the photosynthetic manufacture of food.

35. D: K is the primary consumer, L is the secondary consumer while M is the tertiary consumer.

36. B: The position occupied by each organism in a food chain is known as the trophic level. NB The position of an organism in its habitat and the role of the organism constitutes the ecological niche of the organisnm.

37. D: An aquatic plant should not have any compelling need for water conservation. Availability of water is not a problem to such a plant.

38. A: The biological association that contributes directly to succession in a community is competition.

39. C: Poaching does not encourage conservation in any way. Instead, it favours the disappearance of the species.

40. A: The burning of farmlands should be discouraged because it destroys the organic components of the soil.

41. B: Since use is made of wood in the manufacture of match sticks, substituting lighter for match sticks is a way of conserving forest.

42. C: Even though AB’ can receive from any blood group, it can only donate to a fellow AB’.

43. C: Skin colour, fingerprint and height are morphological variations while tongue rolling is a physiological variation.

44. A: Blood 0′ has no antigens but it has antibodies ‘A’ and ‘B’.

45. D: The original plants must be or genotypes TT and Tt. Let us check by crossing

46. A: Test cross involves crossing a homo- zygous recessive individual with an organism of unknown genotype to ascertain the genotype.

47. A: Males can only inherit sex-linked traits from the mothers (since the traits are borne on the X-chromosome and a male inherits his only copy of X-chromosome from the mother).

AS = Carrier AA = Normal SS = Sickler. Therefore, Sickler= one out of four = 1/4

49. B: Chameleon exhibits adaptive colouration. Its adaptive colouration is specifically known as camouflage.

50. A: Schizophyte < Thallophyte < Bryophyte < Pteridophyte < Spermatophyte.

NB • Algae (& fungi) are thallophytes • Liverwort is a bryophyte • Fern is a pteridophyte • Angiosperms (and gymnosperms) are spernmatophytes.

THEORY SOLUTIONS

2022 WAEC BIOLOGY (THEORY) 1a (i)The cell is the basic, structural and functional unit of life. (ii) -Theodor Schwann – Matthias Schleiden – Rudolf Virchow

– Nucleus – Mitochondria – Chloroplast – Vacuole – Endoplasmic reticulum – Golgi apparatus – Lysosome -Cell wall

c. Milk teeth are the first set of teeth in the growth and development of humans. These teeth are twenty in number. They are later replaced by the permanent teeth.

3a (i) The ecological niche is the position or function of an organism in a habitat. It describes how a species interacts within an ecosystem.

– It provides fruit – It provides firewood – It provides organic matter for soil replenishment – It enhances soil conservation – it has many medicinal applications

– It saves time – It is usually impossible to go and count each species present. Hence, the need for sampling techniques

– Random sampling – Systematic sampling – Convenience sampling – Cluster sampling Stratified sampling

– Arch – loop – Whorl – Compound

4a(i)A conservation law states that a particular parameter of a system does not change as the system evolves over time. (ii)

– Law of conservation of matter – Law of conservation of energy

– Food requirement – For adventure – Medicinal values of some animal parts -Cultural and religion’s views

-Tigers – Rhinos – Gorillas – Elephants – Sea turtles – Amur leopard – African pangolins

– Habitat destruction of wild animals -Climate change – Desertification – Soil – erosion -Flooding

d(i) Blood transfusion is the transfer of blood or a blood component from one healthy person (a donor) toa sick person (a recipient).

(ii) An antigen is a molecule that initiates the production of an antibody and causes an immune response.

– They both have gizzard – They both have pharynx – They both have oesophagus

b(i) Water cycle

-Plants contribute to the water cycle via transpiration – Animals release water into the water cycle when they exhale – Water is also a product of respiration in plants – Animals also contribute to the wate cycle through excretion of waste.

– Xrepresents condensation – Y represents respiration -Zrepresents evaporation.

d(i) Decay is the breaking down of organic matter through the action of some organisms.

– Bacteria – Fungi

– Temperature – Oxygen (aeration)

(iv) Nitrogen cycle

(e) Just like other green plants, carnivorous plants are able to obtain their food through photosynthesis. However, these plants usually grow in areas that are deficient in nitrogen. This is why they trap insects (and other small animals) for nitrogen.

Was this helpful? Drop your questions, contributions, or words of appreciation in the comment box

Good luck candidates 😍😍😍😍

Leave a Reply Cancel reply

Discover more from itsmyschoollibrary.

Subscribe now to keep reading and get access to the full archive.

Type your email…

SPECIAL: Gain Admission Into 200Level in Any University via IJMB| JUPEB| No JAMB| Click!

FORUM: Get Latest Exam News| Updates| Join Examcode WhatsApp Channel| Click Here

2022 WAEC Biology Essay and Objective Answers Now Available

Friday, 10th June 2022

Biology 2 (Essay) 09:30am – 11:10am

Biology 1 (Objective) 11:10am – 12:00noon

BIOLOGY-OBJ- Examcode.net

BIOLOGY OBJ 01-10: DCADABCADB 11-20: ABDBABDAAA 21-30: ACBABBCBCB 31-40: ABDDDBDACA 41-50: ACCADCDBBA

BIOLOGY-ESSAY- Examcode.net INSTRUCTION: Answer Three Questions In All. Two Questions in Section A and the Compulsory Question in Section B.

A cell can be defined as the basic structural and functional unit of life. All living organism are made up of cells

(i) Robert Hooke

(ii) Felix Dujardin

(iii) Mathias Schleiden

Draw the Diagram

Red blood cell

It does not replicate itself but rather die off

(i) Nucleus

(ii) Cell membrane

(iii) Cytoplasm

(iv) Chloroplast

(v) Mitochondrion

(vi) Golgi body

===========================

(i) – ELEMENT-

-MACROELEMENT-

(ii) – ELEMENT-

-MICROELEMENT-

(iii) – ELEMENT-

(iv) – ELEMENT-

(v) – ELEMENT-

(vi) – ELEMENT-

(vii) – ELEMENT-

(viii) – ELEMENT-

(ix) – ELEMENT-

(x) ELEMENT

(2bi) TABULATE =HERBIVORE= (i) Absence of canine (ii) Presence of diastema (iii) Weak molar

=CARNIVORE= (i) Presence of canine (ii) Absence of diastema (iii) Strong molar

(2bii) TABULATE =HUMAN= (i) Absence of diastema (ii) Presence of canine (iii) Presence of upper incisors (iv) Presence of upper premolar

=GOAT= (i) Presence of diastema (ii) Absence of canine (iii) Absence of upper incisors (iv) Absence of upper premolar

(2c) Milk teeth are the first set of teeth that grows in an infant when they want to start feeding on solid food. It starts to grow 6months after birth. There 20 milk teeth

(3a) An ecological niche is the role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces.

(3aii) (i) Organic matter for soil amendment (ii) Provides fruits (iii) It serves as a wind breaker (iv) It absorbs carbon dioxide (v) It serves as shelter to Animals

(3bi) (i) Selecting a sample requires less time than selecting every item in a population (ii) Analysis of the sample is less cumbersome and more practical than an analysis of the entire population

(3bii) (i) Cluster sampling (ii) Systematic Sampling (iii) Simple random sampling (iv) Stratified Sampling

(3c) (i) arch (ii) loop (iii) whorl (iv) Plain arch

(3di) Garden pea plant (Pisum sativumI)

(3dii) (i) Pea plant are easy to grow, have a short life period, and produce larger flowers. (ii) Pea plants can also self-pollinated.

Conservation law states that the amount of the conserved quantity at a point or within a volume can only change by the amount of the quantity which flows in or out of the volume.

(i)Conservation of mass and energy

(ii)Conservation of linear momentum, conservation of angular momentum

(iii)Conservation of electric charge

(i)Lax and broken regulation systems

(ii)Highly-priced and valued animal parts, products, and pets

(i) Elephants

(ii) Rhinos

(iii) Tigers

(iv) Gorillas

(v) Sea turtles

(i) Loss of biodiversity, migration of wildlife

(ii) Exological imbalance

(iii) Soil erosion

(iv) Disruption in hydrological cycle of water catchment area

A blood transfusion is a routine medical procedure in which donated blood is provided to you through a narrow tube placed within a vein in your arm.

An antigen is any substance to which the immune system can respond. For example, components of the bacterial cell wall can trigger severe and immediate attacks by neutrophils.

SECTION B Answer All The Questions In This Section.

(5a) TABULATE =EARTHWORM= (i) Straight (ii) Simple (iii) It feeds on fluid

=COCKROACH= (i) Curve (ii) More enveloped (iii) It feeds on both fluid and solid

(5aii) (i)Possession of crop (ii)Possession of gizzard (iii)Possession of pharynx

(5b) (i) Water cycle (ii) – Plant contribute through transpiration – Animals contribute through respiration – Animals contribute through perspiration (iii) – X: Condensation – Y: Transpiration – Z: Evaporation

(5c) TABULATE

=ORGAN= (i) Kidney (ii) Skin

=DISEASES= (i) Kidney stones, diuresis and oedema (ii) Eczema, acne, vitiligo

(5di) This is a process whereby heterotrophic organisms utilize the remains of one living tissue as a source of nutrition

(5dii) (i) Fungi (ii) Bacteria

(5diii) Temperature

(5div) Carbon cycle

(5e) They exhibit heterotrophic nutrition known as carnivorous or insectivorous feeding. They have attractive colours that attracts insects to them. Once the insect lands in their spine, they are killed and digested.

Keep Inviting your Friends And Classmates to Examcode.Net

We remain your favorite Website. Ensure you Subscribe for your next paper. ====================================

How To Get Your Live Question And Answer Before The Exam. CLICK HERE TO CHAT US

Www.Examcode.Net We Remain The Best Exam Portal ==================================== CLICK HERE TO JOIN US ON TELEGRAM

+ MAY/JUN. WASSCE 2008

+ nov/dec wassce (private). 2008, + may/jun. wassce 2009, + nov/dec wassce (private). 2009, + may/jun. wassce 2010, + nov/dec wassce (private). 2010, + may/jun. wassce 2011, + nov/dec wassce (private). 2011, + may/jun. wassce 2012, + nov/dec wassce (private). 2012, + may/jun. wassce 2013, + nov/dec wassce (private). 2013, + may/jun. wassce 2014, + may/jun. wassce 2015, + nov/dec wassce (private). 2015, + wassce for school candidates 2016, + wassce for private candidates 2016, + wassce for school candidates 2017, + wassce for private candidates 2017, + wassce (private candidates) 1st series 2018, + wassce for school candidates 2018, + wassce (private candidates) 2nd series 2018, + wassce for private candidates 2019 first series, + wassce for private candidates 2019 second series, + wassce for school candidates 2019, + wassce (private candidates) 1st series 2020, + wassce (private candidates) 2nd series 2021, + wassce (private candidates) 1st series 2022, + wassce (private candidates) 2nd series 2022, + wassce for school candidates 2022, + wassce for school candidates 2023.

WAEC Biology Questions and Answers 2022/2023 [OBJ & Theory Expo]

December 20, 2021

Free WAEC Biology Answers 2021 to WAEC 2021 Biology Questions for OBJ & Theory with free expo guidelines for 2021 candidates is now available on this page.

Our WAEC Biology questions and answers 2021 Materials have been provided to assist candidates to pass this WAEC exam in flying colors in one sitting.

This is why we have provided WAEC candidates with this free WAEC Biology Questions and Answers 2021 expo solution guide. Our WAEC Biology Questions and Answers 2021 solution guide is free for all subjects…

Check out the free WAEC questions and answers for Biology for paper 1 (OBJ), paper 2 (Theory & essay), and paper three (Practical) below. See Biology practical specimen for 2021 here

WAEC Biology Practice Questions and Answers 2021

Below are sample WAEC questions answers options for Biology. These questions are for practice. Check them out and keep checking back for the correct questions and answers for 2021.

Recommended: Register WAEC Here

Exam Pattern:

WAEC Biology exam comes in theory, OBJ, and practical papers. It has paper one, paper two, and paper three. Paper 1 is the Objective paper (OBJ), Paper 2 is Theory (essay), paper 3 is the practical paper.

1. What is another Name for larva?

Caterpillar

2. Which source of energy do plants need to produce food?

Photosynthesis
Chlorophyll
Microorganisms

3. Which of the following is the major difference between animal and plant nutrition?

The plant has the ability to synthesize:

Food for plants and animals
B Water for plants
Water for animals
Food for plants only.

4. The process of converting starch into maltose is known as____?

Condensation
Translocation

5. What Causes the ascent of water in a tall tree?

Adhesive forces
Transpiration pull
Root pressure
Cohesive force

6. Which of these substances digestion will be affected if the duodenum of a patient is removed surgically?

Starch and protein only
Starch and lipids
Starch, protein, and maltose
Starch, protein, and lipids.

How to Answer WAEC Biology Theory Questions [Paper 2].

Answering WAEC Biology theory questions can be very intimidating especially when you don’t have self-confidence.

But the advice I will give you if you want to pass this Exam is to always make sure you eliminate fear first before going for the Exam. To Answer any WAEC Theory question, make sure you follow these steps below↓

First, read and understand the instructions and format that Question and Answer must follow and obey before you start answering it.
Read a particular question and understand what the questions are looking for. Read like two or three times before you give start providing your answer
Your Answers should start by quoting the question if it is an essay question.
Make sure to go through entire Answers to make sure that all your answers, writings, and spellings are presented accurately in the required format.
Make sure you follow the Theory Answers Structures. Below is the complete WAEC theory answers Structures to take note of↓

Helpful WAEC Materials:

Download syllabus for all WAEC subjects here
Solved WAEC Questions and Answers for all subjects
The secret to prepare and pass WAEC 2021 Exam

WAEC Biology Theory Answers Structures

Whenever you are answering WAEC theory or Essay questions, always make sure you take note of the following answer structures and make sure you present your answers as stated here:

When the Question says:

“Describe”: This means you should say what you see – no need for reasons. You can give a detailed account, using examples
“State”: This means you should Provide a factual report with no explanation or opinion.
“ List ”: This means you should write down listed points, not paragraphs. Keep it brief.
“ Explain ”: This means you should give reasons
“ Outline ”: This means you should give a brief summary
“ Analyse ”: This means you should go into detail
“ Compare ”: This means you should state similarities and differences?
“ Contrast ”: This means you should state the differences?
“ Calculate ”: This means you should use numbers given to work out the value of something
“ Define ”: This means you should give the meaning of something.
“ Evaluate ”: This means you should consider both sides – pros and cons
“ Justify ”: This means you should use evidence to explain something.
“ To what extent ”: This means you should Judge the importance or success of something –Tell both the abilities and disabilities of that thing.
“ Argue ”: This means you should present a case with evidence or reasons.
“ Assess ”: This means you should Weigh up / give an informed judgment.
“ Comment on ”: This means you should give your opinion on something.
“ Debate ”: This means you should give a different perspective

General WAEC Biology Expos 2020

When you notice that your time is far spent and you are about to submit while you still have so many Difficult Questions to attempt, then you may have to stop cracking your brain and use our prediction method as explained above. BUT,
Don’t ever leave any Answers space blank. Don’t fail to answer any questions. Just choose an option if you don’t know the correct answers. That is better than leaving a question blank.
Ask your neighbor for an answer if possible.
Read and Understand what each Question is asking for before making an attempt of giving an answer.
Evaluate each answer option: After you might have finished reading and understanding a question, make an attempt of identifying the right type of answer that will answer the question even before looking at the options.
Eliminate each clearly wrong Answers. If you’re asked Questions like “what gender Is your father”? You don’t need an Oracle to tell you that the correct option will be “male”.
If every other option here fails, then guess like a magician. You may guess and get it correct.

Secrets to WAEC Biology Exam 2020

WAEC Biology Exam has both Objective and theory Questions. So you need to acknowledge the following:

Be smart and also recognize and recall all that you have been reading.
You have to be smart and conversant with all WAEC Question formats like questions of facts, sentence completion, true-false questions, analogy, multiple-choice, matching questions, etc..
The theory part always requires more detailed writing and Explanations.
The objective Questions have one, and only one correct answer. So don’t pick more than one answer for any question.
This WAEC Exam requires strict preparation and memorization. So read and memorize what you read.

You can get free WAEC Biology Questions and Answers 2021 here on Studentmajor.com So if you need it, then use the Comment box below to send us a request and we will send them to you anytime there are available.

Hope you found this guide solution Very helpful and useful? Please Feel free to share this solution with your friends and colleagues.

You can do that by using the social media sharing buttons below. Please don’t fail to let us know how you feel about this guide using the comment box below↓

12 comments

Am also interested in it

Finding it very difficult in Economics Chemistry Physics

Finding it very difficult in CHEMISTRY PHYSICS BOOK KEEPING MATHEMATICS

I need help in both subject

Pls I can the answer Before that day

I love that but I what God to bless me and you guys thanks Sir am grateful

Thanks so much

Pls I will I get answers before that day

Please how will i get answers before the examination day i really your help?

Thanks God bless you

thank’s a lot 4 all this,God will bless u.

Wonderful guide lines, please am interested

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Save my name, email, and website in this browser for the next time I comment.

Apex Minecraft Hosting Scholarship Opportunity 2022

How to choose profitable course to study |best career guide 2022/2023, you may also like, 2022 neco physics (obj & essay) answers [29th july, 2021].

March 29, 2022

NECO Practical Fisheries Questions & Answers [15th July, 2022]

February 23, 2022

NECO Agric Practical Answers 2022 Specimen [27th July, 2022]

Neco gce timetable 2022/2023 external is out- download time table pdf.

February 8, 2022

WAEC Chemistry Questions and Answers 2022/2023 [Theory & OBJ] Expo

January 18, 2022

NECO Physical Education Questions and Answers 2022 For Free Essay & Objective

April 4, 2022

JiLearners.com

#1 Student Resource Platform

WAEC Biology Questions and Answers 2022/2023 Expo, Theory & OBJ

Free WAEC Biology questions and answers 2022/2023, WAEC biology expo 2022, WAEC biology runs for biology paper 1 and paper 2, biology theory, and OBJ papers 2022.

Do you need free WAEC Biology questions and answers 2022/2023 expo for Biology theory and OBJ papers? If yes, then here is something that will help you.

For you to make ‘A’, ‘B’, or at least ‘C’ in biology in WAEC 2022, you must work your way out to get the necessary expos that will help you pass the WAEC biology exam 2022.

This WAEC biology expo 2022 is presented in different formats for WAEC biology theory questions and answers 2022 and WAEC biology objective (OBJ) questions and answers 2022.

Table of Contents

WAEC Biology Examination Date and Schedule for 2022

The 2022 WAEC biology exam is scheduled to hold as follows:

Biology Examination Paper Types 2022

WAEC Biology OBJ Paper 1 :

The WAEC Biology paper one (OBJ) is the objective paper and it comes with 60 multi-choice OBJ questions. Candidates are to are answer these questions within 1 hour 30 minutes.

WAEC Biology Theory Paper 2 : WAEC Biology paper two is the Biology essay paper which is made up of different theory questions that you have to answer in detail.

Candidates will be given 2 hours to answer the WAEC Biology theory paper 2 questions. Each candidate is to answer about 5 to 6 questions in this section.

Get also: WAEC Timetable for 2022 PDF

WAEC Biology Objective (OBJ) Questions and Answers 2022 Expo

The following are some practice WAEC biology objective (OBJ) questions and answers 2022 expo to test you, which may possibly come out in the 2022 WAEC biology exam.

1. Which of the following human body systems is also known as the cardiovascular system?

Circulatory system
Endocrine system
Lymphatic system
Muscular system

The correct answer is the Circulatory system (Option A)

2. Which of the following is a blood group?

The correct answer is the AB (Option C)

3. Which of these Genotypes may possibly give birth to SS?

The correct answer is AS + AC (option D)

4. Each cell in a human contains ____ pairs of chromosomes?

The correct answer is 23 (option B)

Get also : free WAEC Chemistry questions and answers here

5. Human immune system fights off infection mostly through the use of ___?

Microbes and Antigens
Exogenous and immunogenic
Endogenous and Microbes
Antibodies and macrophages
Autoantigens and intracellular

The correct answer is Antibodies and macrophages (option D)

6. Which of these is not true about the human cells?

There are more bacteria cells in our body than our own human cells?
Most bacteria cells are essential to human health
Bacteria cells help us to perform key bodily functions
There are more non-human cells in our body than human ones
All bacteria cells in the human body are harmless

The correct answer is Option E

7. Which of the following is a function of the Appendix in the Human body?

It houses beneficial gut flora that can repopulate the digestive system whenever there’s a wipeout of the normal populations of this flora
It helps in building antigens in the body that can be transported to the human immune system to fight off infection
It stores essential minerals that can be converted into useful nutrients for the body.
It helps to store waste products that can be passed to the urinary tract to send out in the form of urine.

The correct answer is option A

8. Which of these Genotypes can marry without giving birth to SS?

The correct answer is AA + SS (option A)

9. Inhibitors are used to______?

Disrupt enzyme activity
Lower rate of reaction
Regulate an enzyme activity
Increase the rate of reaction

The correct answer is to Disrupt enzyme activity (option A)

10. What are the excretory organs in insects?

Stratum Corneum
Stratum Lucidum
Malpighian tubules

The correct answer is Malpighian tubules (option D)

WAEC Biology Theory (Essay) Questions and Answers 2022 Expo

The following are some samples and practice WAEC biology theory (essay) questions and answers to test your knowledge of biology.

1. Define metamorphosis.

Ans. Can be defined as the change of form or structure from an immature form to an adult form in two or more distinct stages.

2. State 5 harmful effects of parasites on their hosts

Ans. 5 harmful effects of parasites on their hosts are;

Parasites’ activities on their host can result in loss of weight in the host
Parasites can cause infections with bacteria in their host
Parasites can stimulate the production of toxic compounds that may alter the body function of their host
Parasites can cause harmful effects like immune suppression and make their host susceptible to other diseases
Parasites can cause allergic reactions in their host

3. State any 5 layers of the epidermis in the skin of humans

5, among the layers of the epidermis in the skin of humans, include;

The Basal Cell Layer
The Squamous Cell Layer
The Stratum Corneum
The Papillary Layer
The Reticular Layer

4. Explain why a Rhesus-negative woman who gets married to a Rhesus-positive man might possibly lose her second pregnancy.

Ans. A Rhesus-negative woman who gets married to a Rhesus-positive man might possibly lose her second pregnancy because a Rhesus-negative mother has no antigen on the surface of her Red Blood Cells/RBC while a Rhesus positive man has antigen on his RBC. So during her first pregnancy, the child carries a positive Rhesus factor at the pregnancy, the Rhesus factor enters the mother’s bloodstream and ruptures the placenta, and as a result of the rupture, blood seeps into the mother’s blood and causes it to develop anti-Rhesus antibodies which will then cause agglutination in a small proportion of foetal blood cells. So in the second pregnancy, the child might be Rhesus positive and a child carrying Rhesus positive will likely suffer massive destruction of red blood cells/erythroblastosis fetalis and that may result in a miscarriage of the child.

WAEC Biology Examination Expo 2022 Secrets

In this section, we are going to give you the WAEC expo for biology that the West African Examination Council has released to help candidates.

This expo is the corrections to the mistakes that candidates made during the biology exam and what you should do in your case.

The following are the WAEC expo tips on how to pass the WAEC biology exam 2022.

Make sure you answer all questions precisely without giving ambiguous answers
Make sure you supply your answers in the spaces provided
Show proficiency in answering questions that require recall of facts
Make sure you follow the examination instructions stated on the question paper
Make good expression in answering questions that require explanation
Learn how to and the rules in drawing and labeling of biology diagrams
Make sure you give titles to all the diagrams you draw (very important)
Learn how to spell technical terms in biology correctly

We believe this free WAEC Biology questions and answers 2022/2023, WAEC biology expo 2022, WAEC biology runs for biology paper 1 and paper 2, biology theory, and OBJ papers 2022 will be helpful to you.

Good luck in your exam!

which part of the brain is responsible for memory storage

Yes I want to join

Diseases in animals

What is DNA

Pls send me everything

What aboutime practicals

Waec Biology theory questions and answers 2022/2023

What is red blood cell

I want to join this group

Essay and objectives answer

Metamorphosis

Everything about it

All theory and obj answers

Thank u,the poster

Effect of Kidney and remedies

Biology waec answers obj and theory

is this for today?

Not. There are likely questions and answers

Question n answer

I need biology essay questions paper 2022 wassce

How is the question going to look like

Not far from these questions

Abeg this wan na for tomorrow exam??🤨

I want to join

Essay is enough for me

Biology question and answer both essay and objective

BIology essy

Please I need 2022biology expo

Real biology question

Biology objective all answer

Tissues and supporting system

Tnks very much

Pls I need the biology answers plsss

Please is this the current biology question

Show us all of biology question and answer for 2022

I need answers of WAEC Biology 2022/2023

WAEC Biology Questions and Answers 2022

Are you a WAEC candidate seeking for answers on WAEC 2022? Have you been searching for the following questions: WAEC Biology answers 2022, Waec Biology questions and answers 2022, then this post is for you. Keep reading to know more.

In this article, we’ll be looking into WAEC Biology questions and Answers for 2022. It include the 2022 WAEC Biology questions and Answers, Past questions and answers and all you need to know about the WAEC Biology Examination questions. Few hints is also included on how to pass WAEC Biology Examination.

This post will be updated as more information come in. So we advise you book mark this page or drop your email in the comment box so as to be updated via your mail about the update.

SEE WHAT OTHERS ARE READING:

2022 Free Waec Questions and Answers for all Subjects

To start with, let’s look into the details about how the 2022 WAEC questions will look like as well as important things you need to know about it. WAEC Biology past questions and Answers are also included.

Table of Contents

All you need to know about the 2022 WAEC Biology Exam

The WAEC 2022 biology examination is in two parts – Objective and Essay.

You should be expecting 50 questions from the objective part and all to be answered within one hour.

The Essay part contains between 5 to 7 in part A and about 7 in part B. You are to answer all in part A while you answer any four in part B. All to be answered in two hours and thirty minutes.

Note that all question carries equal mark.

WAEC Biology Past Question and Answers

Below is a WAEC Biology answers 2021 sample to take note of.

A plant which grows on another plant without apparent harm to the host plant is called

A. a parasite

B. an epiphyte

C. a saprophyte

D. a predator

E. a hermaphrodite

Correct Answer: Option B

Given the equation:

6CO2 + 6H2O → C6H12O6 + 6O2 {Under sunlight & Chlorophyll)

The process represented by the above equation is

A. protein synthesis

B. respiration

C. photosynthesis

D. transpiration

E. translocation

Correct Answer: Option C

3.Given the equation:

The oxygen given off during the above process is derived from

A. sunlight

B. chlorophyll

C. carbon dioxide

D. atmosphere

Correct Answer: Option E

All these include the morphological variation except

(a) height of the body

(b) fingerprints

(d) intelligent or stupid

If an albino man (bb) marries a dark-skinned woman (bb) and they have four children. how many of the children will be albino (a) 3 (b) 2 (c)0 (d) 1
A flowering plant having both the male and female flowers on the same plant is said to be

(a) irregular

(b) monoecious

(d) dioecious

In Mendel’s experiment, it was disclosed that the f1 generation of a cross between a brown cook and a white hen was all brown because the greater for the

(a) brown colour was dominant

(b) white colour was dominant

(d) white colour did not combine

The function of the human red blood cell is to

(a) carry oxygen

(b) absorb heat

(d) destroy bacteria

The part of the nervous system that interprets blinking of the age is (a) spinal cord (b) cerebrum (c) Hindi brain (d) olfactory lobe
Fish cannot survive on land because it has

(a) a body covered with scales

(b) a streamlined body

(d) no iveking

Today’s WAEC Biology Answers

The 2022 WAEC Biology questions and answers are loading. Like we have said it earlier in this article. You can bookmark this page or drop your email to get the update when it comes.

You can be sure that the WAEC Biology Answers will be posted here once the exam starts. This is why you have to keep visiting this page so as not to miss out.

Answers Loading…

How to pass WAEC Biology Examination

Here are some common rules that you should apply when taking this exam .

Start by answering questions you are sure of the Answers first.

Do not spend more than a minute on each Objective questions. Remember you only have one hour

Endeavor to recheck your work before submitting it.

Make sure you attempt all the questions. Ensure to put something down; it is better than a blank page.

WAEC Biology Syllabus 2022

The resources below on Biology have been provided by WAEC to assist you to understand the required standards expected in Biology final Examination.

The examination in this subject is meant to test:

A. understanding of the structure and functions of living organisms as well as appreciation of nature;

B. acquisition of adequate laboratory and field skills in order to carry out and evaluate experiments and projects in Biology;

C. acquisition of necessary scientific skills for example observing, classifying, and interpreting biological data;

D. acquisition of the basic relevant knowledge in Biology needed for future advanced studies in biological sciences;

E. acquisition of scientific attitudes for problem-solving;

F. ability to apply biological principles in everyday life in matters that affect

G. personal, social, environmental, community health and economic problems;

H. awareness of the existence of interrelationships between biology and other scientific disciplines.

WAEC English questions and answers 2022 | Oral, Essay and Obj
WAEC Timetable 2022 is out | Check now!
How To Pass WAEC In One Sitting

Remember that Biology is a compulsory subject for all science students which makes a must pass subject for all. We implore you once again to subscribe to our website to get the update.

Subscribe to our website ms-legit.com.ng to get more prompt update.

Thanks for reading and don’t forget to share to friends.

2023 WAEC Biology Practical Answers [16th May]

Miodiremugh

I am committed to delivering the finest educational and finance-related content, aiming to make a positive impact on your life and the lives of countless others.

Your email address will not be published. Required fields are marked *

Email Address: *

Save my name, email, and website in this browser for the next time I comment.

Legit WAEC GCE Biology Questions and Answers 2022/2023 ( Essay and Objectives)

The WAEC GCE Biology questions and answers for 2023 can be found here. The 2023 WAEC Biology in English Questions and Answers section welcomes you.

You will be able to find the answers to the WAEC GCE Biology Objective and Theory questions, as well as the WAEC Biology Essay 2023 and WAEC GCE 2023 Biology exams, as well as the study recommendations you need to pass your WAEC GCE Biology exam with ease.

Table of Contents

WAEC GCE Biology Essay and Objectives Questions and Answers 2023 (Expo)

Free download now.

The 2023 WAEC GCE Biology expo will be posted here during the WAEC GCE Biology examination. Keep checking and reloading this page for the answers. WAEC GCE Nov/Dec. 2023 Biology Answers Loading…

Today’s GCE Biology Answers:

GCE Biology OBJ: Loading…

—————————————————————————————–

Note: The answers below are the 2022 Nov/Dec answers.

i. Development and growth . After meiosis has produced a gamete, and this has fused with another gamete to form an embryo, the embryo grows using mitosis. …

ii.Cell replacement. …

iii.Asexual reproduction.

(3a) TABULATE

BIOLOGY ASSOCIATION || EXAMPLE Commensalism – Sharks and remora fish, Tigers and golden jackals

Mutualism – Bees and flowers, humans and bacteria in the gut

Parasitism – Humans and tapeworms, cows and ticks

Neutralism – Rainbow trout, and dandevon cactus and tarantulas

(3b) Pollution can be referred to as the introduction of harmful materials or substances into our environment thereby causing adverse charges.

(3ci) (i)It contributes to global warming (ii)It leaves a huge carbon footprints

(3cii) (i)it also contributes to global climate change (ii)It emits mercury which is a neurotoxin as well as carbon dioxide

(3ciii) (i)When it spills in aquatic bodies, it causes loss of aquatic lives (ii)On land, crude oil spills reduce food productivity

6a) (i) Dominance refers to the exertion of a major controlling influence of one or more species upon all other species by virtue of their number, size, productivity or related activities.

(ii) Size: Population size is the number of individual organisms in a population.

(iii) Density: This the number of living organisms per unit area or volume.

(6b) (i) Frog has lungs for breathing but also breathes through its skin. (ii) They have webbed feet, which help them to swim (iii) They have long and strong hind limbs, which help them in leaping and catching their prey.

(6c) (i) This is a mismatched blood transfusion. The blood will agglutinate which will lead to fatality. In such a situation, a reaction known as hemolytic transfusion reaction causes the patient’s body to form antibodies that attack the new blood cells.

(ii) The patient’ blood is tested and to get a matched to be transfused.

(iii) Discontinuous variation

(iv) To know the patient’s rhesus factor and blood group which are parameters necessary for a successful blood transfusion

(6di) (i) Bacteria (ii) Plants (iii) Animals

(6dii) (i) Nitrosomoners (ii) Nitrobacta (iii) Fungi

(6e) (i) Cook the food well (ii) Always cover the food (iii) Ensure the environment is always clean

WAEC GCE Biology Essay 2023

WAEC GCE Biology Questions and Answers 2023 Loading… If you have any questions about the WAEC GCE Biology questions and answers, kindly drop your question in the comment box.

EXAMKING.NET

The king of all exams.

EXAMKING MOBILE APP

Ads; Click Here Now to Download All WAEC 2024 Questions And Answers

Ads 2; download all jamb 2024 questions and answers now click here download now, waec 2022 biology essay and obj answers-may/june expo.

April 1, 2024 ExamKing CEO WAEC FORUM 0

EXAMKING.NET: Drop First While Others Copy From Us, We Are 100% Reliable And We Never Disappoint Our Subscribers.

2022 waec biology essay/obj questions and answers expo/runz/dubs now available @ www.examking.net, whether your village people likes or not, with examking.net a1 must locate you. thank your stars for finding the best and accurate expo site for your waec biology essay and objectives 2022 questions and answers, note: if you want us to assist you in supplying night questions and answers for the 2022 waec biology essay and objectives and answers runz/expo/dubs/chokes, you will need to subscribe with us., we have two ways of sending questions and answers to students,teachers, principals and school owners, (1) through our website pin and link :, (2) direct whatsapp answers:, pin and link per subject: #1000 mtn card, pin and link: means the pin to access our answer page link online via https://www.examking.net/answers.immediately after we confirm your subscription.the pin will be sent to you to access our answers. answers are sent to our subscribers a night before exam, direct whatsapp answers: #1000 mtn card per subject, direct whatsapp answers: means the questions and answers will be sent to you on whatsapp after we confirm your subscription. we’ll send both questions and answers to our subscribers a night before exam. ensure you save our whatsapp num; 08065582389, click here to view our answer page with your pin, how to make the payment, we accept mtn card payment or bank transfer, payment through mtn recharge card:, send the following mtn card + subject + phone number to 0806552389 as text message only: 0806552389 only, (i)mtn-card (ii)amount paid (iii)exam name (iv)phone number (v)subjects, send the following mtn card + subject + phone number to 0806552389 as text message only: 08065582389 only, payment through bank:, chat us on whatsapp for our account num: 08065582389, text “i need bank details”, payment for all subjects, group and password link. contact us on whatsapp: 08065582389, note 1:- all text sms or whatsapp messages sent to our number 0806552389 are attended to, our phone number might be diverted to avoid distraction so no need to panic just relax and wait for our confirmation once you subscribe., note 2:- ensure to subscribe a day before each exam after payment relax and wait for your pin., note 3:- please avoid calling us, no sending of fake mtn card. send us text messages or whatsapp messages only 08065582389, note 4:- no free answers on this page, be among our yearly thousands of successful candidates this year. give us a one-time trial and see for yourself, 100% refund of your money if our answers are not delivered to your satisfaction., for more enquiries, contact the admin via whatsapp:, chat mr.frank on whatsapp: 08065582389, examking.net is the no1 verified and trusted exam expo website for students, be the first to comment, leave a reply.

Your email address will not be published.

Save my name, email, and website in this browser for the next time I comment.

ExamKing.Net is the Best exam runz website for Waec, Neco, Nabteb and Gce runz website for exam student’s this website has been in existence for over 11 years and it is known for its excellency.

USEFUL LINKS

HOMEPAGE OUR ANSWER PAGE OUR DATABASE

CONNECT WITH US

(Send Us Sms Direct) (WhatsApp Us) Follow us on Facebook Follow Us On Instagram Follow Us On Twitter

EXAMKING APP FOR FREE EXAM ANSWERS

Speedyminds

Waec Biology Syllabus 2022/23 & Hot Topics

Waec Biology Syllabus: This is an examination syllabus drawn up from the curricula of the member countries of the West African Examinations Council (Waec). It should be used alongside the appropriate teaching syllabus(es) of the country where the candidates are domiciled.

This examination syllabus is divided into three sections: Sections A, B and C. Section A is for all candidates, Section B is for candidates in Ghana only and Section C is for candidates in Nigeria, Sierra Leone The Gambia and Liberia.

Recommended: WAEC Correction of Names, DOB Requirements & Guidelines

AIMS AND OBJECTIVES

This syllabus is designed to assess candidates’ 1 . understanding of the structure and functions of living organisms as well as appreciation of nature; 2. acquisition of adequate laboratory and field skills in order to carry out and evaluate experiments and projects in Biology; 3. acquisition of necessary scientific skills for example observing, classifying and interpreting biological data; 4. acquisition of the basic relevant knowledge in Biology needed for future advanced studies in biological sciences; 5. acquisition of scientific attitudes for problem solving; 6. ability to apply biological principles in everyday life in matters that affect personal, social, environmental, community health and economic problems;

7. awareness of the existence of interrelationships between biology and other scientific disciplines.

SCHEME OF EXAMINATION (Waec Biology syllabus)

Recommended: Can I combine WAEC,NECO, NABTEB results for Admission?

There will be three papers: Papers 1, 2 and 3, all of which must be taken. Papers 1 and 2 will be a composite paper to be taken at one sitting.

PAPER 1: Will consist of fifty multiple-choice objective questions drawn from Section A of the syllabus (the section of the syllabus which is common to all countries). It will carry 50 marks and last for 50 minutes.

PAPER 2: Will consist of six essay questions drawn from the entire syllabus. The paper will be put into three sections, Sections A, B and C.

Section A: Will consist of four questions drawn from Section A of the syllabus.

Section B: Will be for candidates in Ghana only and will be drawn from Section B of the syllabus (ie the section of the syllabus perculiar to Ghana). It will consist of short-structured questions.

Section C: Will be for candidates in Nigeria, Sierra Leone, The Gambia and Liberia and will be drawn from Section C of the syllabus (ie the section of the syllabus containing material for those countries only). It will also consist of short-structured questions.

Candidates will be expected to answer two questions from Section A and all the short-structured questions from either Section B or Section C.

Each question in Section A will carry 20 marks while the compulsory short-structured questions in Sections B and C will carry 30 marks. The total score will be 70 marks. The paper shall take 1 hour 40 minutes.

PAPER 3: Will be a practical test (for school candidates) or a test of practical work (for private candidates) lasting 2 hours and consisting of three sections: Sections A, B and C.

Section A: This will consist of two compulsory questions drawn from Section A of the syllabus, each carrying 25 marks.

Section B: This will be for candidates in Ghana only. It will consist of one question drawn from Section B of the syllabus and will carry 30 marks.

Section C: This will be for candidates in Nigeria, Sierra Leone, The Gambia and Liberia. It will consist of one question drawn from Section C of the syllabus and will carry 30 marks. Candidates will be expected to answer all the questions in Section A and one question in either Section B or C. The paper will carry a total score of 80 marks.

DETAILED SYLLABUS SECTION A

Recommended: Universities That Accept Pass (D7/E8) In Mathematics

A. Concept of Living

1. classification.

a) Living and non-living things
b) Classification of living things into Kingdoms

2. Organization of life

(a) Levels of organization (i) cell (single-celled organisms): Amoeba, Euglena, Paramecium

(ii) Tissue: Hydra

(iii) Organ (storage organ) bulb, rhizome and heart.

(iv) System/Organ System: In mammals, flowering plants – reproductive system, excretory system etc.

(b) Complexity of organization in higher organisms: advantages and disadvantages.

3. Forms in which living cells exist:

a) Single and free-living: Amoeba, Paramecium, Euglena, and Chlamydomonas b) Colony: Volvox c) Filament: Spirogyra d) Part of a living organism: Cheek cells, onion root tip cells and epidermis of fleshy leaves.

4. (a) Cell structure and functions of cell components.

(b) Similarities and differences between plant and animal cells.

5. The Cell and its environment:

Physical and Biophysical processes. diffusion osmosis active transport

6. Properties and functions of the living cell

(a) Nutrition

(i) Autotrophic (photosynthesis)

(ii) Heterotrophic (holozoic)

(b) Cellular respiration

Definition and processes of:

(i) aerobic respiration (ii) anaerobic respiration (iii) energy release

(i) Excretion in single-celled aquatic organisms. Diffusion by body surface and by contractile vacuole.

(ii) Waste products of metabolism.

(i) Basis of growth – cell division (mitosis), enlargement and differentiation.

(ii) Aspects of growth: Increase in dry weight, irreversible increase in size and length and increase in number of cells.

(iii) Regions of fastest growth in plants.

(iv) Influence of growth hormones and auxins.

(v) Growth curvatures (Tropisms)

Development: Enlargement and differentiation.

Movement (i) Organelles for movement: cilia and flagella, (ii) Cyclosis. (g) Reproduction: Types of reproduction. (i) Asexual: fission, budding and vegetative propagation.

(ii) Sexual: Conjugation, formation of male and female gametes (gametogenesis), fusion of gametes fertilization)

Recommended: Why Your O’level result may be Blank on JAMB CAPS

7. (a) Tissues and supporting systems: Skeleton and supporting systems in animals:

(i) Biological significance.

(ii) Skeletal materials, e.g. bone, cartilage and chitin. (iii) Types of skeleton: exoskeleton, endoskeleton and hydrostatic skeleton. (iv) Bones of the vertebral column, girdles and long bones of the appendicular skeleton. (v) Mechanism of support in animals. (vi) Functions of skeleton in animals: Protection, support, locomotion and respiratory movement.

(b) Different types of supporting tissues in plants.

Main features of supporting tissues in plants. Functions of supporting tissues in plants: strength, rigidity (resistance against the forces of the wind and water), flexibility and resilience.

8. Transport System:

(a) Need for transport: (i) surface area/volume ratio. (ii) substances have to move greater distances.

Transport in animals. Structure of the heart, arteries, veins and capillaries.

Composition and function of blood and lymph.

Materials for transport: excretory products, gases, digested food, and other nutrients.

Transport in plants (i) Uptake and movement of water and mineral salts in plants.

(ii) Translocation

(iii) Transpiration

(iv) Movement of water to the apex of trees and herbs.

9. Respiratory System:

(a) Body surface: cutaneous, gills and lungs.

(b) Mechanisms of gaseous exchange in fish, toad, mammals and plants.

10. Excretory Systems and Mechanisms

Types of excretory systems: Kidney, stomata and lenticels

Regulation of Internal Environment (Homeostasis)

(a) Kidney: Structure and functions

Functions of the liver.

Structure and function.

12. Hormonal Coordination

(a) Animal hormones: Site of secretion, functions and effects of over and under-secretion.

(b) Plant hormones

13. Nervous Coordination

(a) The central nervous system (i) Components of the central nervous system (ii) Parts of the brain and their functions; cerebrum, cerebellum, medulla oblongata, hypothalamus and their functions (iii) Structure and function of the Spinal Cord.

(b) Peripheral Nervous System. (i) Somatic Nervous System (ii) Autonomic nervous system.

(iii) Structure and functions of the neurone. (iv) Classification of neurones.

(i) The reflex arc (ii) Reflex and voluntary actions (iii) Differences between reflex and voluntary actions. (iv) Conditioned reflex and its role on behaviour.

14. Sense Organs: Structure and function of the

Eye. Ear.

15 (a) Reproductive system of mammals

Structure and function of male and female reproductive systems.

Differences between male and female reproductive organs.

(iii) Structure of the gametes (sperm and ovum) (iv) Fertilization, development of the embryo and birth. (v) Birth control

(b) Metamorphosis in insects, life histories of butterfly and cockroach.

(d) Reproduction in flowering plants

(i) Arrangements of floral parts of a named insect-pollinated flower and a named wind-pollinated flower. (ii) Structure and function of the male and female parts of a flower.

(e) Pollination in Plants (i) Types of pollination (ii) Features of cross-pollinated and self-pollinated flowers (iii) Agents of Pollination

(iv) Kinds of placentation: axile, marginal and parietal.

Process of development of zygote in flowering plants: Fertilization.

(i) Types of fruits (classification).

(ii) Structure of fruits

(h) Dispersal of fruits and seeds: Agents of dispersal

B. Plant and Animal Nutrition ( Waec Biology Syllabus )

1. plant nutrition.

(a) Photosynthesis: (i) Process of photosynthesis and its chemical equation (ii) Light and dark reactions (iii) Materials and conditions necessary for photosynthesis (iv) Evidence of photosynthesis

(b) Mineral requirement of plants (i) Mineral nutrition: Macro and micro-nutrients

(ii) Soil and atmosphere as sources of mineral elements.

2. Animal Nutrition

Food substances; classes and sources

(b) Balanced diet and its importance

(c ) Food tests

(d) Digestive enzymes: Classes, characteristics and functions

(e) Modes of Nutrition (i) Autotrophic: Photosynthesis,

(ii) Heterotrophic: holozoic, parasitic, symbiotic and saprophytic.

(f) Alimentary System:

Alimentary tract of different animals.

(g) Dental Formula

(h) Feeding in protozoa and mammals

C. Basic Ecological Concepts ( Waec Biology Syllabus )

1. ecosystem:.

Components of the ecosystem and sizes Ecological components: environment, biosphere, habitat, population, biotic community and ecosystem.

(b) Components of the ecosystem: Biotic and abiotic

2. Ecological factors:

Ecological factors in aquatic and terrestrial ecosystems

3. Simple Measurement of Ecological Factors.

Physical factors: Climatic, topographic and gaseous. Edaphic factors: Chemical and physical composition, moisture content and soil texture.

4. Food webs and trophic levels

(a) Autotrophs and Heterotrophs (i) Producers: autotrophs (ii) Consumers: heterotrophs (iii) Decomposers (b) Trophic levels energy relationships (i) Food chain (ii) Food web (c) Energy flow (i) Food/Energy relationship in aquatic and terrestrial environment. (ii) Pyramid of energy and Pyramid of numbers.

(d) Decomposition in nature (i) Decomposers: (micro and macro-decomposers) (ii) Gaseous products Role of decomposers

6. Ecological Management:

(a) Biological Associations Type of associations: Parasitism, symbiosis, commensalism and saprophytism. (b) Adaptation of organisms to habitats.

(i) Nature, names, sources and effects of air pollutants.

(ii) Effect of noise

(d) Water and Soil Pollution Type and effects of pollutants.

7. Ecology of population

(a) Ecological succession (i) Structural changes in species composition, variety or diversity and increase in numbers. (ii) General characteristics and outcomes of succession (b) Primary succession.

Succession in terrestrial and aquatic habitats.

Secondary succession, climax of the succession: characteristic of a stable ecosystem. Factors that affect population size: natality, mortality, emigration, immigration, food shortage, predation,competition and diseases.

(e) Preservation and storage of foods

(f) The life of selected insects; (i) Weevils and cotton strainers.

(ii) Control of pests

8. Microorganisms: Man and health

(a) Carriers of microorganisms

(b) Microorganisms in action (i) Beneficial effects in nature, medicine and industries.

(ii) Harmful effects of microorganisms, diseases caused by microorganisms: cholera, measles, malaria and ring worm.

(c) Towards better Health (i) Methods of .controlling harmful microorganisms: high temperature, antibiotics, antiseptics, high salinity and dehydration. (ii) Ways of controlling the vectors.

(d) Public Health: The importance of the following towards the maintenance of good health practices:

(i) Refuse and sewage disposal.

(ii) Immunization, vaccination and inoculation (control of diseases).

Conservation of Natural Resources: 1. Resources to be conserved: soil, water, wildlife, forest and minerals.
Ways of ensuring conservation

E. Variation in Population ( Waec Biology Syllabus )

1. morphological variations in the physical appearance of individuals.

size, height and weight

colour (skin, eye, hair coat of animals)

finger prints

2. Physiological Variations

Ability to roll tongue

Ability to taste phenylthiocarbamide (PTC) Blood groups (ABO) classification)

F. Biology of Heredity (Genetics) ( Waec Biology Syllabus )

1. genetic terminologies, 2. transmission and expression of characteristics in organisms..

Hereditary variation

Mendel’s work in genetics

(i) Mendel’s experiments

(ii) Mendelian traits

(iii) Mendelian laws

3. Chromosomes: The basis of heredity

(a) Structure

(b) Process of transmission of hereditary characters from parents to offspring.

4. Probability in genetics (Hybrid formation).

5. linkage, sex determination and sex linked characters., 6. application of the principles of heredity in:.

(a) Agriculture

(b) Medicine

G. Adaptation for survival and Evolution. ( Waec Biology Syllabus )

1. behavioural adaptations in social animals..

Termites Bees

2. Evolution.

(a) Evidence of evolution.

(b) Theories of evolution

Introducing Biology

Biology as a science of life
Procedure for biological work
Importance of Biology
Body symmetry, sectioning and orientation
The microscope
Biological drawings

B. Cell Biology

Movement of substances into and out of cells: Endocytosis and Exocytosis
Nucleic acids
DNA structure and replication, RNA transcription.
Protein synthesis

C. Life Processes in Living Things

Amoeba, Paramecium, and Euglena
Spirogyra and Rhizopus
Mosses and ferns

D. Diversity of Living Things

Characteristics of some of the orders of Class Insecta
Identification of organisms using biological keys

E. Interactions in Nature Soil

F. mammalian anatomy and physiology.

Dissection of a small mammal
Transport: Structure of the mammalian heart.
Cellular respiration

(a) Muscles

(b) Skeletal tissues

Reproduction

(a) Secondary sexual characteristics

(b) Prenatal/Antenatal care

Plant Structure and Physiology

Morphology of monocotyledonous and dicotyledonous plants.

Transport: Guttation
Reproduction: Floral formula

H. Humans and their Environment

Integrated water resources management.
Health and hygiene

(a) Drug abuse

(b) Community health

I. Evolution

Recombinant DNA Technology

J. Biology and Industry ( Waec Biology Syllabus )

1. biology and water industry.

(a) Contamination of water

(b) Identification of polluted water

2. Biology and fishing industry

(a) Fish stock management

(b) Fish farming

3. Biology and food industry:

Food additives

4.Biology and agriculture

5.biotechnology, 6. biological fuel generation, k. concept of living ( waec biology syllabus ), 1 .cell theory, 2. irritability as a basic characteristic of protoplasm.

(a) Types of responses: taxis and nastism

(b) Environmental factors that evoke responses; temperature, pH etc

3. Excretory Systems

(a) Diseases of the kidney: Nephritis, kidney stone and diuresis, Their effects and remedies.

(b) Diseases of the liver: infective hepatitis, cancer of the liver and gall stones. Their effects and remedies.

4. Sense organs.

(b) Tongue.

5. Reproduction

(a) Courtship behaviour in animals: (i) Pairing (ii) Display e.g. peacocks (iii) Territoriality (iv) Seasonal migration associated with breeding in herrings, eels and birds. (b) Metamorphosis and life history of housefly. (c) Adaptive features in a developing animal: (i) Yolk in egg of fish, toad and birds for nourishment (ii) Placenta in animals

(d) Germination of seeds

(i) Essential factors which affect developing embryo.

(ii) Types of germination

Plant and Animal Nutrition
Nitrogen cycle
Modes of nutrition: autotrophic, chemosynthetic, carnivorous plants
Alimentary System (a) Alimentary tracts of different animals (b) Description and function of various parts.
Feeding habits (a) Categories: Carnivorous, herbivorous and omnivorous (b) Modifications and mechanisms associated with the following habits; filter feeding, fluid feeding, feeding adaptation in insects, saprophytic feeding, parasitic feeding etc.
Basic Ecological Concepts 1. Ecological Components: Lithosphere, hydrosphere, atmosphere, niche

2. Population Studies by Sampling

Population size Dominance Density

3. Energy transformation in nature:

(a) Energy loss in the ecosystem

(b) Solar radiation: its intake and loss at the earth’s surface.

(c ) Energy loss in the biosphere.

4. Nutrient Cycling in Nature

(a) Carbon Cycle: (i) Process of carbon cycle (ii) Importance of carbon in nature.

(b) Water Cycle: (i) Importance of water cycle, (ii) Importance of water to living organisms.

5. Ecological Management: Tolerance, Minimum and maximum range

6. habitats.

(a) Aquatic habitat: marine, estuarine fresh water under the following headings: (i) characteristics of habitat (ii) distribution of plants and animals in the habitat, (iii) adaptive features of plants and animals in the habitat.

(b) Terrestrial habitat: marsh, forest, grass land, arid land should be studied under the following headings:

(i) characteristics of habitat

(ii) distribution of plants and animals in habitat.

7. Relevance of Biology to Agriculture:

(a) Classification of plants based on life cycle

(b) Effects of agricultural practices on ecology (i) Bush burning (ii) Tillage (iii) Fertilizer (iv) Herbicide/pesticide (v) Different farming methods

8. Microorganisms: Man and His Health.

(a) Microorganisms around us (i) Microorganisms in air and water (ii) Groups of microorganisms: bacteria, viruses, some algae, protozoa and some fungi. (b) Microorganisms in our bodies and food

1. Application of Variations Crime detection

Blood transfusion

Determination of paternity

E. Evolution

1. adaptation for survival factors that bring about competition intra and inter-species competition.

2. Structural Adaptation for;

obtaining food protection and defense securing mates for reproduction regulating body temperature conserving water

3. Adaptive Colouration Plants and animals Colouration and their functions

I hope this Biology Waec syllabus help you prepare for upcoming WAEC!. Don’t forget to comment and share with friends.

Complete WAEC Biology Questions And Answers For 2023 | Objectives & Theory

If you wish to see the 2023 Complete WAEC Biology Questions and Answers before the start of the examination and before every other person, make sure that you do not skip this article.

One of the major problems that most West Africa Examination Council (WAEC) candidates do face that usually results to poor performance in the examination is lack of proper guides.

Once every WAEC candidate is properly guided as regards the examination, there is going to be a massive improvement in the rate at which candidates passes the WAEC examination.

A notable example of such proper guide during the preparation of WAEC examination is having access to the expected questions and answers before going to the examination hall.

In this article, I am going to give you the exact biology questions for the 2023 WAEC examination with their respective answers. In case you are one of those who are preparing for this examination and you would like to prepare ahead of other candidates, please do joke with any information contained in this article.

This article is a typical ‘EXPO’ to what you are going to see in the West Africa Examination Council (WAEC) 2023.

Biology Objective Questions For 2023

Answers To Biology Objective Questions for 2023

Related posts, biology objective questions for 202 3.

1. Which of the following organelles is common to both plant and animal cells?

A. Cellulose cell wall

B. Chlorophyll

C. Cell membrane

D. Large vacuole

The diagrams below are illustrations of different sections of a particular fruit. Study them and answer questions 2 and 3 .

2. The sections in X and Y respectively, are

A. longitudinal and transverse

B. transverse and longitudinal

C. cross and transverse

D. transverse and cross

3. The fruit that has the illustrated sections is a

A. hesperidium

The diagram below is an illustration of a fungus. Study it and answer questions 4 to 6 .

4. The structure labelled I is associated with

A. sexual reproduction

B. asexual reproduction

C. bud formation

D. gamete formation

5. The structure labelled II is the

C. columella

D. sporangium

6. Which of the following statements about the structure labelled III is correct? It

A. secretes digestive enzymes into the substrate

B. absorbs mineral salts from the soil

C. forms the root hairs of the organism

D. develops into stolon

The diagram below is an illustration of a living organism. Study it and answer questions 7 and 8 .

7. The level of organization of the organism is

8. The organism belongs to the Phylum

A. Rhizopoda

B. Ciliophora

C. Euglenophyta

D. Rhodophyta

9. A plant cell placed in a solution with a higher water potential will

A. expand and then shrink

B. enlarge and become turgid

C. expand and then burst

D. decrease in size and become flaccid

10. Offspring formed by sexual reproduction exhibit more variation than those formed by asexual reproduction because

A. greater amount of DNA is involved in sexual reproduction.

B. gametes of parents have different genetic composition.

C. genetic materials come from parents of two different species.

D. sexual reproduction is a lengthy process.

11. Radius and ulna are bones of the

A. pectoral girdle

B. upper arm

C. pelvic girdle

D. lower arm

12. The blood vessel which carries blood from the alimentary canal to the liver is the

A. hepatic artery

B. hepatic vein

C. hepatic portal vein

D. mesenteric artery

The diagram below is an illustration of the longitudinal section of a mammalian organ, Study it and answer questions 13 and 14 .

13. Which of the labelled parts is the cortex?

14. What is the main function of the organ?

A. Excretion

B. Respiration

C. Reproduction

D. Locomotion

15. Detoxification of urea takes place in the

A. pancreas

16. Which of the following hormones is suddenly secreted into the bloodstream of a frightened person?

B. Adrenaline

C. Thyroxine

D. Parathormone

17. The temperature control centre in mammals is located in the

B. hypothalamus

C. pituitary gland

D. adrenal gland

The diagram below is an illustration a type of eye defect in humans. Study it and answer questions 18 and 19 .

18. The eye defect illustrated in the diagram is

A. hypermetropia

B. astigmatism

C. presbyopia

19. The eye defect can be corrected by the use

A. convex lens

B. concave lens

C. bifocal lens

D. cylindrical lens

20. How many gametes are produced in the pollen grain of a flowering plant before fertilization?

21. Which of the following organisms does not undergo incomplete metamorphosis?

B. Grasshopper

C. Butterfly

D. Cockroach

22. An enzyme reaction may begin to decline when

A. the optimum temperature is attained.

B. the pH of the medium is altered.

C. there is an increase in substrate concentration.

D. the atmospheric pressure is altered.

The diagram below is an illustration of the growth of a plant in a water culture. After a few days, the solution turned green and the plant died. Use it to answer questions 23 and 24 .

23. What precaution should have been taken to prevent the solution from turning green?

A. Use a non-green plant for the experiment

B. Aerate the solution daily

C. Cover the culture vessel with opaque paper

D. Keep cotton wool around the seedling to make it dry

24. The death of the plant was likely caused by

A. excess supply of nutrients to the plant

B. inadequate supply of water to the plant

C. algal growth in the solution that used up the nutrients

D. inability of the plant to make food due to lack of sunlight

25. Which of the following factors is not necessary for photosynthesis?

B. Carbon (IV) oxide

D. Sunlight

26. Autotrophic nutrition is a process whereby an organism obtains food

A. by utilizing its stored energy

B. by synthesizing simple substances using energy

C. from other organisms in exchange for some products

D. in a synthesized form, from other living organisms

27. The process that takes place at the light stage of photosynthesis is

A. splitting of water molecules to form hydrogen ions

B. reduction of carbon (IV) oxide to form carbohydrate

C. formation of two molecules of phosphoglyceric acid

D. breaking down of ATP molecules to produce energy

28. The diagram below is an illustration of the foot of an animal.

The adaptation of this type of foot is that it is

A. used as a bait to catch fish in water

B. used as a paddle for swimming

C. effective in scratching the soil for food

D. used for killing prey in water

29. The following organisms are examples of carnivorous plants except

A. Gloriosa

B. Venus flytrap

C. Pitcher plant

D. Utricularia

30. Plants and animals of an ecosystem make up a

B. succession

C. community

D. population

31. Rabbits cannot survive in an aquatic habitat because they have

A. no scales

B. no gills

C. fore limbs

D. lateral line

32. The illustration below is a food chain.

Grass → grasshopper → domestic fowl →hawk

What would happen if the population of domestic fowl decreases? The population of

A. grasshoppers would decrease

B. hawks would increase

C. grasshoppers would increase

D. grasses available to grasshoppers would increase

33. Which of the following features is a characteristic of aquatic plants? Possession of

A. multiple epidermis

B. heavily lignified tissue

C. finely divided leaves

D. succulent stem

34. An association between living organisms in which one organism lives on and feeds at the expense of the other organism is known as

A. mutualism

B. commensalism

C. parasitism

D. predation

35. When a large number of organisms share limited resources, the result is a

B. extinction

C. commensalism

D. competition

36. Which of the following behaviours is correctly matched with the corresponding diseases?

37. Endangered species are organisms that are

A. likely to migrate to other favourable lands

B. likely to disappear from the surface of the earth

C. reproducing profusely in an area

D. dangerous to humans and attacking other to animals

38. Which of the following practices is a wildlife conservation method?

A. Use of cover crops

B. Crop rotation

C. Mulching

D. Discouraging poaching

39. Which of the following resources cannot be conserved?

The diagrams below are illustrations of types of comb found in domestic fowl. Study them and answer questions 40 and 41 .

40. The types of comb show

A. variation

B. inheritance

C. cell theory

D. courtship behaviour

41. Which factor is most likely responsible for the various types of comb?

A. Environment

B. Genetics

C. Physiology

D. Morphology

42. Which of the following statements about mitosis is not correct?

A. Chiasmata are not formed

B. Bi-valents are not formed

C. It does not lead to variation

D. Four daughter cells are produced

43. A mixture of blood with antigen A and blood containing antibody a will

A. lead to agglutination

B. facilitate dissolution of clot

C. have no effect on blood composition

D. change the blood group

44. Plants suitable for experiments in genetics must not

A. produce numerous seeds within a short time

B. have a small number of chromosomes

C. have a relatively short life cycle

D. produce one generation in a long period

45. Which of the following statements about sickle cell anaemia is correct?

A. It is caused by sex-linked genes

B. It is more common in males than in females

C. Two sickle cell carrier parents may have a sickling child

D. It is caused by recessive genes

46. In humans, pointed eyebrows (B) is a dominant trait over smooth eyebrows (b). A student and the mother have smooth eyebrows while the father has pointed eyebrows. What is the genotype of the father?

47. A woman with Rhesus negative blood group was advised not to marry a man with Rhesus positive blood group because

A. it will hinder her from having blood transfusion from her husband.

B. it will result in sickness and probably death of the offspring.

C. her children may all resemble her husband.

D. it may affect her childbearing ability.

48. Which of the following organisms exhibits division of labour?

A. Butterfly

B. Cockroach

D. Housefly

49. Natural selection arises as a result of

A. gene mutation

B. change of habitat

C. reduction in population

D. climate change

50. Which of the following statements is not Lamarck’s postulate on evolution?

A. Great changes in the environment result in corresponding changes in species

B. Frequently used organs become well developed while the ones not used become vestigial

C. Well-developed acquired characters are inheritable

D. Survivors in a competitive community must have inherited useful traits

See also: How to Pass WAEC Examination at One Sitting

I know that some people might be finding it difficult to answer the questions in the previuos section. That is the reason why I have decided to provide you with the answers to the objective questions.

The following are the correct answers to the biology objective questions for 2022 WAEC examination.

WAEC Biology Theory Questions For 2023

The following questions are what you are likely going to see in the section two (theory) of the biology for 2023 WAEC examination.

1. (a) Describe briefly the role of the stomach in digestion.

(b) (i) Name three parts of plants in which food can be stored

(ii) Give one example in each case.

1. (a)(i) What is sexual reproduction?

(ii) Name four organs in mammals that produce sex hormones.

(iii) Name one sex hormone produced by each of the organs named in

(b) In a tabular form outline three differences between reproductions in lizards and birds.

(ii) State three characteristics features of identical twins.

1. (a) Explain the following terms:

(i) disease;

(ii) symptoms of diseases

(b) (i) List two physical and two chemical barriers that prevent pathogens from penetrating the body of an organism.

(ii) Explain how vaccination protects the body from contracting infectious diseases.

(d) Name the causative agents of: (i) Malaria; (ii) Cholera; (iii) AIDS.

1. (i) What is respiration?

(ii) In a tabular form, state four differences between gaseous exchange and aerobic respiration

(b) (i) Explain the term residual air.

(ii) What is the importance of residual air to mammals?

(iii) State four characteristic features associated with respiratory structures.

(ii) Outline three activities that can result in oxygen debt.

(a) (i) What is conservation?

(ii) State six factors responsible for the decline of the abundance and variety of wildlife.

(b) Outline six ways in which the government can improve the situation in 5(a) (ii) above.

(ii) State two causes of eutrophication.

(a) What is photosynthesis?

List: (i) four external factors;

(ii) two internal factors; that affect the rate of photosynthesis.

(b) (i) List the major products of the light dependent stage of photosynthesis.

(ii) State the importance of each of the products listed in 6(c) (i) above.

(ii) State why decomposers are important to flowering plants.

(a) (i) What is a gene?

(ii) Differentiate between the terms genotype and phenotype.

(b) Explain the following terms: (i) hybrid; (ii) pure breeding; (iii) nucleotide.

With the aid of a genetic diagram, determine the result expected if a homozygous rough pea is crossed with a smooth seed coat plant

Whose parent was rough coated?

(a) (i) Describe epigeal germination of a seed.

(ii) In a tabular form, state three differences between epigeal germination and hypogeal germination.

(b) (i) What is seed dormancy?

(ii) State three ways by which dormancy in seeds can be broken.

See also: How to Check Your WAEC Result Online

WAEC English Questions And Answers 2023 | Objectives, Test Of Orals and Essay

WAEC Economics Questions And Answers 2023 | Theories And Objectives

WAEC French Questions And Answers 2023 | Theories And Objectives

WAEC Mathematics Questions And Answers 2023 | Theory And Objectives

WAEC Physics Practical For 2023 | Specimens/Apparatus, Questions And Answers

WAEC Chemistry Questions And Answers For 2023 | Objectives And Theories

2023 WAEC Biology Practical Specimen | Questions And Answers

Complete WAEC Physics Questions And Answers For 2023 (Objectives & Theory)

I believe that you found the information contained in this article very helpful. Always come to this site for more questions and answers for other WAEC subjects.

For any question about Complete WAEC Biology Questions and Answers for 2023 , kindly make use of the comment section below.

Please share this information to others using any of the social media platforms shown below.

WAEC Literature Questions and Answers 2024/2025 | Novels, Essay & Objective

Waec civic education questions and answers 2024 | essay & objective, one thought on “ complete waec biology questions and answers for 2023 | objectives & theory ”.

The theory answers are not here why

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Save my name, email, and website in this browser for the next time I comment.

Notify me of follow-up comments by email.

Notify me of new posts by email.

WASSCE (WAEC) Biology Past Questions

LarnEdu has the largest independent WAEC past questions collection on the web existing since 2013.

We started this page to help students who can’t afford hard-copy WAEC Biology past question papers or who want easy access to the past question papers on their mobile device or computers.

We’re not perfect although have been working towards improving every day in accordance with our mission to inspire and support learning among students in their quest to self-actualisation.

Terms Of Use

Please do not directly or indirectly monetise any material got from this page (for example, by posting it on “pay to download” sites or sites where you offer your services). Doing so is a breach of our Terms of service. Endeavour to give us credit when you share any content on our website so we can reach more students. This is in line with our vision to support over 100 million individuals in their quest to self-actualisation through education.

Quick Link To The WASSCE Biology Past Questions Section

If you’re not interested in reading other essential information on this page, then click this link to quickly navigate to the WAEC Biology Past question papers section you want to visit.

Brief Information About The WASSCE

The West African Senior School Certificate Examination (WASSCE) is a standardised test taken in West Africa, mostly by students who wish to proceed to the higher institution. It is administered by the West African Examination Council (WAEC).

It is only offered to candidates living in Anglophone West African countries namely: Ghana, Gambia, Nigeria, Liberia and Sierra Leone and is written 3 times a year ( January/ February, May/June and Nov/Dec).

The WASSCE tests candidates according to the topics on the WAEC syllabus .

The contents in each WASSCE Biology question paper (for a specific year) is usually similar from one country to another. Questions on the WASSCE Biology theory section may be specified to be answered by candidates from a particular country and this happens mostly in the theory section.

A WASSCE question paper on a particular subject may be entirely cancelled and changed in a region when the West African Examination Council (WAEC) heading that region suspects a leakage of examination papers before the start of the exam.

Benefits Of Regular WAEC Biology Past Questions Practise

Speed: Regular practise of WASSCE Biology past questions can go a long way in increasing your speed on the WAEC Biology exam day. It’s no secret that questions on the WASSCE for each subject are usually similar to questions in previous years since they’re from the same WAEC syllabus . WAEC also sometimes repeats questions word-for-word.

Exposure: Regular practice exposes you to your weaknesses and gives you a chance to better yourself before the exam.

Decreases chances of anxiety: Regular and efficient practice improves your confidence before the exam.

These and many more are some beautiful benefits of practising WASSCE Biology past questions.

So it’s important you make it a habit to practise with WASSCE past question papers. There’s no doubt that this would help you achieve the grades you desire on the WASSCE on the long run.

Don’t just focus only on the WAEC past questions we provide on this page. We also have other WASSCE related resources that will be of great help to you.

Below this section are the Biology WASSCE past questions we have for now. Use them in accordance to the rules stated on this page and our Terms of Service.

Biology WASSCE Past Questions Papers Section (Download As Pdf Files Or View Directly From Your Browser)

Other popular and essential wassce prep resources on larnedu(recommended).

We go through great lengths to provide the best resources for students preparing for the WASSCE and below are links to some of our top picks for you.

WASSCE Resources (this page contains essential information on the WASSCE with links to every important WASSCE prep resource on LarnEdu including the links below)
WASSCE Syllabus (this page contains WASSCE syllabus on virtually all subjects)
WASSCE Past Questions (this page contains the largest archive of WASSCE past questions on various subjects)
How To Pass The WASSCE (this is a definitive guide with the most effective strategies on how to pass the WASSCE)
Steps To Take If You Had A Poor WAEC Result (this is an article on what to do if your WASSCE result is poor including alternative options to get admitted to universities and more)

Make A Difference Now By Supporting Our Work

We’re always striving to provide a better user experience on LarnEdu and this includes providing high quality resources to help every student out there. The best part is that we do this without requesting for a dime most of the time.

Join other helpful users that support what we do by taking a few minutes of time to do any of the following:

Send a digital copy of any WASSCE Biology past question paper you have that is absent from our collection and get rewarded. If you don’t have access to a scanner, you can take clear pictures of the pages on a particular paper with your mobile phone/tablet, and send it to us
Share our content on social media or spread the word through word of mouth. This would enable us reach more people that might find much value from our learning resources (in accordance to our mission)
Donate funds (as little as $0.99 or £0.99) to help support our rising costs (hosting fees, etc.)
Feature us on your blog/site to create more awareness of what we do
Give recommendations or feedback on what we do

Have questions or suggestions? Use the comment section below or send us a message.

LinkedIn 98

Subscribe now to get summarised alerts of new posts by email.

33 responses.

Comments 10
Pingbacks 0

I’m very relief to be part of this platform, I one to do biology but I didn’t have any knowledge in biology

You’re appreciated. Thank you and best wishes.

Your setting is good easy and adorable

Thank you! Best.

Í need wassce past question

Excellent and very resourceful site. Please have past questions on biology practicals.

Thank you! We’re working on adding more WASSCE past questions for various subjects soon. Apologies for any inconvenience caused. Best wishes.

I want past question

Biology past questions and answers

Hi Vandy, please visit our past questions page ( http://larnedu.com/wassce-waec-past-practice-questions/ ) for past questions for the subjects you mentioned. We’re working on adding more WASSCE past questions for various subjects soon. Apologies for any inconvenience caused. Best wishes.

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Subscribe to new posts by email:

Most Expected Topics in 2023 WAEC Biology SSCE & GCE | CHECK NOW

A lot of students will take biology in the WAEC examination and with this, they must study with a guide. So, the Most Expected Topics in WAEC Biology might prove to be helpful.

Students that are willing to make their papers in this examination are to spend quality time with these topics. Apart from the Most Expected Topics in WAEC Biology, there is other useful information that you will get in this post.

Reasons Why You Need this Guide

There are a lot of reasons why you need this guide but generally, it is meant to aid you. This is because questions in the exam would come from the Most Expected Topics in WAEC Most Expected Topics in WAEC Biology.

Students would be fully prepared for their upcoming WAEC (West Africa Examination Council) if they study these topics, with this, they would stand a chance of making their papers.

Importance of this Guide

You should also consider the importance of this guide. But the Most Expected Topics in WAEC Most Expected Topics in WAEC Biology are just to prepare students for the examination. Its main importance is that students that use it will have higher chances of making their papers.

Most Expected Topics in WAEC Biology

Students that are looking for the Most Expected Topics in their upcoming WAEC Biology WASSCE & GCE examinations will get it here. This is very important for those that will be taking part in this examination. This is because the topics will act as a guide to them. The list below contains the topics that you need

CONCEPT OF LIVING
ORGANIZATION OF LIFE
FORMS IN WHICH LIVING CELLS EXIST
CELL STRUCTURE AND FUNCTIONS OF CELL COMPONENTS
PROPERTIES AND FUNCTIONS OF THE LIVING CELL
REPRODUCTION
TISSUES AND SUPPORTING SYSTEM
DIFFERENT TYPES OF SUPPORTING TISSUES IN PLANTS
TRANSPORT SYSTEM
RESPIRATORY SYSTEM
EXCRETORY SYSTEMS AND MECHANISMS
REGULATION OF THE INTERNAL ENVIRONMENT
HORMONAL COORDINATION
NERVOUS COORDINATION
REPRODUCTIVE SYSTEM OF MAMMALS
REPRODUCTION IN FLOWERING PLANTS
POLLINATION IN PLANTS
PLANT AND ANIMAL NUTRITION
ECOLOGICAL FACTORS
SIMPLE MEASUREMENT OF ECOLOGICAL FACTORS.
ECOLOGICAL MANAGEMENT
MICROORGANISMS: MAN AND HEALTH
CONSERVATION OF NATURAL RESOURCES
VARIATION IN POPULATION
BIOLOGY OF HEREDITY (GENETICS)
TRANSMISSION AND EXPRESSION OF CHARACTERISTICS IN ORGANISMS.
CHROMOSOMES: THE BASIS OF HEREDITY
PROBABILITY IN GENETICS
LINKAGE, SEX DETERMINATION, AND SEX-LINKED CHARACTERS.
ADAPTATION FOR SURVIVAL AND EVOLUTION

Biology Waec Syllabus

Below is this years Waec Syllabus for Biology. Note that this syllabus is for both internal and external candidates.

Aims and Objectives

understanding of the structure and functions of living organisms as well as appreciation of nature
acquisition of adequate laboratory and field skills in order to carry out and evaluate experiments and projects in Biology
acquisition of necessary scientific skills, for example, observing, classifying and interpreting biological data
acquisition of the basic relevant knowledge in Biology needed for future advanced studies in biological sciences
acquisition of scientific attitudes for problem-solving
ability to apply biological principles in everyday life in matters that affect personal, social, environmental, community health and economic problems
awareness of the existence of interrelationships between biology and other scientific disciplines

Scheme of Examination

There will be three papers: Papers 1, 2, and 3, all of which must be taken. Papers 1 and 2 will be composite papers to be taken in one sitting.

This will consist of fifty multiple-choice objective questions drawn from Section A of the syllabus (the section of the syllabus that is common to all countries). It will carry 50 marks and last for 50 minutes.

This will consist of six essay questions drawn from the entire syllabus. The paper will be put into three sections: Sections A, B and C.

Will consist of four questions drawn from Section A of the syllabus.

It will be for candidates in Ghana only and will be drawn from Section B of the syllabus (i.e., the section of the syllabus peculiar to Ghana). It will consist of short, structured questions.

It will be for candidates in Nigeria, Sierra Leone, The Gambia, and Liberia and will be drawn from Section C of the syllabus (i.e., the section of the syllabus containing material for those countries only). It will also consist of short-structured questions.

Candidates will be expected to answer two questions from Section A and all the short-structured questions from either Section B or Section C.

Each question in Section A will carry 20 marks, while the compulsory short-structured questions in Sections B and C will carry 30 marks. The total score will be 70 marks. The paper shall take 1 hour and 40 minutes.

Paper 3 will be a practical test (for school candidates) or a test of practical work (for private candidates) lasting 2 hours and consisting of three sections: Sections A, B and C.

This will consist of two compulsory questions drawn from Section A of the syllabus, each carrying 25 marks.

This will be for candidates in Ghana only. It will consist of one question drawn from Section B of the syllabus and will carry 30 marks.

This will be for candidates in Nigeria, Sierra Leone, the Gambia, and Liberia. It will consist of one question drawn from Section C of the syllabus and will carry 30 marks.

Candidates will be expected to answer all the questions in Section A and one question in either Section B or C. The paper will carry a total score of 80 marks.

Detailed Biology Syllabus

Concept of living.

Living and non-living things
Classification of living things into Kingdoms
Differences between plants and animals
cell (single-celled organisms): Amoeba, Euglena, Paramecium
Tissue: Hydra
Organ (storage organ) bulb, rhizome and heart.
System/Organ System: In mammals, flowering plants – reproductive system, excretory system, etc.
Complexity of organization in higher organisms: advantages and disadvantages
Single and free-living: Amoeba, Paramecium, Euglena, and Chlamydomonas
Colony: Volvox
Filament: Spirogyra
Part of a living organism: cheek cells, onion root tip cells, and epidermis of fleshy leaves
Cell structure and functions of cell components
Similarities and differences between plant and animal cells
Physical and biophysical processes
active transport
Autotrophic (photosynthesis)
Heterotrophic (holozoic)
Aerobic respiration
anaerobic respiration
energy release
Excretion in single-celled aquatic organisms. Diffusion by body surface and by the contractile vacuole
Waste products of metabolism
Basis of growth: cell division (mitosis), enlargement, and differentiation.
Aspects of growth: increase in dry weight, irreversible increase in size and length, and increase in the number of cells.
Regions of the fastest growth in plants
Influence of growth hormones and auxins
Growth curvatures (Tropisms)
Development: Enlargement and differentiation
Organelles for movement: cilia and flagella
Types of reproduction.
Asexual: fission, budding and vegetative propagation
Sexual: Conjugation, formation of male and female gametes (gametogenesis), fusion of gametes fertilization)
Biological significance
Skeletal materials, e.g. bone, cartilage and chitin.
Types of skeleton: exoskeleton, endoskeleton and hydrostatic skeleton
Bones of the vertebral column, girdles and long bones of the appendicular skeleton
Mechanisms of support in animals
Functions of skeleton in animals: Protection, support, locomotion and respiratory movement
Main features of supporting tissues in plants
Functions of supporting tissues in plants: strength, rigidity (resistance against the forces of the wind and water), flexibility and resilience.
surface area/volume ratio.
substances have to move greater distances
Structure of the heart, arteries, veins and capillaries
Composition and function of blood and lymph
Materials for transport: excretory products, gases, digested food, and other nutrients
Uptake and movement of water and mineral salts in plants
Translocation
Transpiration
Movement of water to the apex of trees and herbs
Body surface: cutaneous, gills and lungs.
Mechanisms of gaseous exchange in fish, toads, mammals and plants
Types of excretory systems: Kidney, stomata and lenticels
Kidney: Structure and functions
Functions of the liver
Structure and function
Site of secretion, functions and effects of over and under-secretion
Plant hormones
Components of the central nervous system
Parts of the brain and their functions; cerebrum, cerebellum, medulla oblongata, hypothalamus and their functions
Structure and function of the Spinal Cord
Somatic Nervous System
Autonomic nervous system
Structure and functions of the neurone
Classification of neurones
The reflex arc
Reflex and voluntary actions
Differences between reflex and voluntary actions
Conditioned reflex and its role in behavior

Structure and function of the:

Structure and function of male and female reproductive systems
Differences between male and female reproductive organs
Structure of the gametes (sperm and ovum)
Fertilization, development of the embryo and birth
Birth control
Metamorphosis in insects: life histories of butterfly and cockroach
Comparison of reproduction in fish, amphibians, reptiles, birds and mammals
Arrangements of floral parts of a named insect-pollinated flower and a named wind-pollinated flower
Structure and function of the male and female parts of a flower
Types of pollination
Features of cross-pollinated and self-pollinated flowers
Agents of Pollination
Kinds of placentation: axile, marginal and parietal
Types of fruits (classification)
Structure of fruits
Dispersal of fruits and seeds: Agents of dispersal

Plant and Animal Nutrition

Process of photosynthesis and its chemical equation
Light and dark reactions
Materials and conditions necessary for photosynthesis
Evidence of photosynthesis
Mineral nutrition: Macro and micro-nutrients
Soil and atmosphere as sources of mineral elements.
Food substances; classes and sources
Balanced diet and its importance
Digestive enzymes: Classes, characteristics and functions
Autotrophic: Photosynthesis
Heterotrophic: holozoic, parasitic, symbiotic and saprophytic
Alimentary tract of different animals.
Dental Formula
Feeding in protozoa and mammals

Basic Ecological Concepts

Ecological components: environment, biosphere, habitat, population, biotic community and ecosystem
Biotic and abiotic
Ecological factors in aquatic and terrestrial ecosystems
Physical factors: Climatic, topographic and gaseous
Edaphic factors: Chemical and physical composition, moisture content and soil texture
Producers: autotrophs
Consumers: heterotrophs
Decomposers
Food/Energy relationship in aquatic and terrestrial environments
Pyramid of energy and Pyramid of numbers
Decomposers: (micro and macro-decomposers)
Gaseous products
Role of decomposers
Type of associations: Parasitism, symbiosis, commensalism and saprophytism
Adaptation of organisms to habitats
Nature, names, sources and effects of air pollutants
Effect of noise
Type and effects of pollutants
Structural changes in species composition, variety or diversity and increase in numbers
General characteristics and outcomes of succession
Primary succession
Succession in terrestrial and aquatic habitats
Secondary succession, climax of the succession: characteristic of a stable ecosystem
Factors that affect population size: natality, mortality, emigration, immigration, food shortage, predation, competition and diseases
Preservation and storage of foods
Weevils and cotton strainers
Control of pests
Carriers of microorganisms
Beneficial effects in nature, medicine and industries
Harmful effects of microorganisms, diseases caused by microorganisms: cholera, measles, malaria and ringworm.
Methods of controlling harmful microorganisms: high temperature, antibiotics, antiseptics, high salinity and dehydration
Ways of controlling the vectors
Refuse and sewage disposal
Immunization, vaccination and inoculation (control of diseases)

Conservation of Natural Resources

Resources to be conserved: soil, water, wildlife, forest and minerals
Ways of ensuring conservation

Variation in Population

size, height and weight
colour (skin, eye, hair coat of animals)
fingerprints
Ability to roll tongue
Ability to taste
phenylthiocarbamide (PTC)
Blood groups (ABO) classification

Biology of Heredity (Genetics)

Genetic Terminologies
Hereditary variation
Mendel’s experiments
Mendelian traits
Mendelian laws
Process of transmission of hereditary characters from parents to offspring
Probability in genetics (Hybrid formation)
Linkage, sex determination and sex-linked characters
Agriculture

Adaptation for survival and Evolution

Evidence of evolution
Theories of evolution
Biology as a science of life
Procedure for biological work
Importance of Biology
Body symmetry, sectioning and orientation
The microscope
Biological drawings
Movement of substances into and out of cells: Endocytosis and Exocytosis
Nucleic acids
DNA structure and replication, RNA transcription
Protein synthesis
Amoeba, Paramecium, and Euglena
Spirogyra and Rhizopus
Mosses and ferns
Characteristics of some of the orders of Class Insecta
Identification of organisms using biological keys
Interactions in Nature Soil
Dissection of a small mammal
Transport: Structure of the mammalian heart
Cellular respiration
Skeletal tissues
Secondary sexual characteristics
Prenatal/Antenatal care
Morphology of monocotyledonous and dicotyledonous plants.
Transport: Guttation
Reproduction: Floral formula
Integrated water resources management
Community Health
Recombinant DNA Technology
Contamination of water
Identification of polluted water
Wastewater treatment
Fish stock management
Fish farming
Food additives
Biology and Agriculture
Biotechnology
Biological fuel generation
Cell theory
Types of responses: taxis and nastism
Environmental factors that evoke responses; temperature, pH etc
Diseases of the kidney: Nephritis, kidney stone and diuresis, Their effects and remedies.
Diseases of the liver: infective hepatitis, cancer of the liver and gallstones. Their effects and remedies
Display e.g. peacocks
Territoriality
Seasonal migration associated with breeding in herrings, eels and birds.
Metamorphosis and life history of houseflies.
Yolk in eggs of fish, toads and birds for nourishment
Placenta in animals
Essential factors which affect developing embryos.
Types of germination
Nitrogen cycle
autotrophic, chemosynthetic, and carnivorous plants
Alimentary tracts of different animals
Description and function of various parts.
Categories: Carnivorous, herbivorous and omnivorous
Modifications and mechanisms associated with the following habits; filter feeding, fluid feeding, feeding adaptation in insects, saprophytic feeding, parasitic feeding etc.
Lithosphere, hydrosphere, atmosphere, niche
Population size
Energy loss in the ecosystem
Solar radiation: its intake and loss at the earth’s surface
Energy loss in the biosphere
Process of the carbon cycle
Importance of carbon in nature
Importance of water cycle
Importance of water to living organisms
Tolerance, Minimum and maximum range
Characteristics of habitat
distribution of plants and animals in the habitat
adaptive features of plants and animals in the habitat
distribution of plants and animals in habitat
Dynamic equilibrium population and population density
Classification of plants based on life cycle
Bush burning
Herbicide/pesticide
Different farming methods
Microorganisms in air and water
Groups of microorganisms: bacteria, viruses, some algae, protozoa and some fungi
Microorganisms in our bodies and food
Food hygiene and health organization.

Application of Variations

Crime detection
Blood transfusion
Determination of paternity
Factors that bring about competition
Intra and Inter-species competition
Relationship between competition and succession
obtaining food protection and defense
securing mates for reproduction,
regulating body temperature
conserving water
Adaptive Colouration Plants and animals Colouration and their functions

Download Complete PDF

View the Biology Waec Syllabus as text below or download the syllabus as a PDF below. Please use the button below to Download offline PDF files for external or internal Waec.

Nyscinfo.com

WAEC Biology Practical Specimen For 2022/2023

Did you register for this year’s West African Senior Secondary Certificate Exam (WASSCE) conducted by the West African Examination Council (WAEC) ? Are you going to write Biology Practical paper? If ‘yes’, here we provide the WAEC Biology Practical Specimen for you as compiled by our team.

According to the WAEC Timetable for 2022/2023 sighted by us, the “Biology 3 Practical A Alternative” exam holds from 8:30am to 10:30am on Friday, June 17, 2022.

This post, is basically to show you the Waec 2022 biology specimen for the upcoming exam. Kindly Click Here to view the official WAEC Timetable .

WAEC Biology Practical Specimen

Instructions To Schools:

(A) Each candidate should be provided with the following groups of specimens:

Group I (For all candidates)

Specimen A – Cervical vertebra of a mammal
Specimen B – Thoracic vertebra of a mammal
Specimen C – Lumbar vertebra of a mammal

For specimens D, E, F, and G, you are requested to get four 250 ml beakers and label them D, E, F, and G.

Put dry garden soil into each beaker, up to 100 ml level.
Add 10 ml of water to the soil in each of beakers D, E, and F
Oven dry the garden soil in beaker G and leave dry throughout the period of the experiment.
For specimen D, put five viable bean seeds into the soil in the beaker labeled D.
Forspecimen E, soak five viable bean seeds in water for 2-3 hours, then remove the testa of the soaked bean seeds. Split open the cotyledons and remove the embryo of each bean seed. Place the split cotyledons into the soil in the beaker labeled E.
For specimen F , place five viable bean seeds into the soil in the beaker labeled F and add some quantity of kerosene enough to cover the surface of the soil in the beaker.
Forspecimen G, add five dry and viable bean seeds into the soil in the beaker labeled G.
Place all the beakers in a place with adequate sunlight for seven days.
Moisten the soils in each of the beakers labeled D and E with 5 ml of water daily for seven days before the date of the examination.

Group II (For candidates in Ghana only )

Specimen H – Cactus plant (freshly obtained)
Specimen J – Onion plant (with leaves)
Specimen K – Green grass (freshly obtained)
Group III (For candidates in Nigeria, Sierra Leone , The Gambia, and Liberia only)
Specimen L – Adult mosquito (freshly obtained)
Specimen M – Butterfly (freshly obtained)
Specimen N – Sugar ant (freshly obtained)

(i) All specimens can be provided as group specimens for five (5) to ten (10) candidates

(ii) All specimens in each group must carry individual labels (e.g. A, B, C, D, E, F, and G in Group I).

(b) It is essential that each candidate should be provided with the following materials:

(i) glass jar cover or Petri dish;

(ii) four white tiles labelled D, E, F and G;

(iii) spatula (four);

(iv) a hand lens/magnifying lens;

(v) scalpel/razor blade/knife;

(vi) a pair of forceps.

Report Form

Report Forms are provided separately on which you are required to:

(a) supply the necessary information about the specimens;

(b) report on any difficulty in the conduct of the examination;

(c) report any particular difficulty experienced by any candidate during the conduct of the examination, especially if the examiner would be unable to discover this from the scripts;

(d) carry out and record experimental observations as directed in the Report Form.

(e) You must enclose a completed Report Form in each envelope of the script.

Source: nyscīnfo

1 thought on “WAEC Biology Practical Specimen For 2022/2023”

Kindly inform when physics and chemistry is released

Animal Husbandry 2022 WAEC Past Questions

WAEC offline past questions - with all answers and explanations in one app - Download for free

Farm animals with four-chambered stomach are referred to as

A. ruminants
B. pseudoruminants
C. monogastrics
D. omnivores

Which of the following diseases is transmitted by tick?

A. Babesiosis
B. Coccidiosis
C. Sleeping sickness
D. Night blindness

Which of the following feed ingredients contains the highest amount of protein?

A. Whole maize
B. Groundnut cake
C. Wheat offal
D. Fish meal

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts

The causative organism of contagious abortion in cattle is called

A. Brucella abortus
B. Brucella suis
C. Bacillus anthracis
D. Salmonella sp

In ruminants, volatile fatty acids are produced in the

B. reticulum
D. abomasum
Mathematics
English Language
Literature in English
Accounts - Principles of Accounts
Christian Religious Knowledge (CRK)
Agricultural Science
Islamic Religious Knowledge (IRK)
Civic Education
Further Mathematics
Home Economics
Book Keeping
Data Processing
Catering Craft Practice
Computer Studies
Physical Education
Office Practice

2024 WAEC BIOLOGY: 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers (1712)

Obj & notice section, 2024 waec biology midnight essay and obj questions and answers password/pin/code is 1712 . you can use it to view 2024 biology answers a day before the exam..

1- 10: DCADABCADB

11-20: ABDBABDAAA

21-30: ADBABBCBCB

31-40: ABDDDBDACA

41-50: ACCADCDBBA

===COMPLETED===

Welcome to official 2024 Biology WAEC answer page. We provide 2024 Biology WAEC Questions and Answers on Essay, Theory, OBJ midnight before the exam, this is verified & correct WAEC Bio Expo. WAEC Biology Questions and Answers 2024. WAEC Bio Expo for Theory & Objective (OBJ) PDF: verified & correct expo Solved Solutions, 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers. 2024 WAEC EXAM Biology Questions and Answers

Questions Students ask about 2024 WAEC BIOLOGY: 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers (1712)

How to get 2024 Biology WAEC QUESTION AND ANSWERS before the exam? To get 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers midnight before the exam, all you need to do is to visit examplaza.com with the pin sent to you by the admin and login. With the pin, you can have a full access to 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers
When do I get Verified 2024 Biology WAEC QUESTION AND ANSWERS? You will get 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers a night to the exam because Biology is an important subject.
After using 2024 Biology WAEC ANSWERS, How many am I assured of in Biology? You will score between 7As - 9As in Biology if you write verbatim 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers.
How verified is your 2024 Biology WAEC ANSWERS? Our 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers is 100% verified and legit and it is worthy to be trusted because it from examplaza.com which is the most trusted website for exam runs in Nigeria.
Where do I get 2024 Biology WAEC QUESTION AND ANSWERS? You can get 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers only from examplaza.com
Is the answers on this page actually the main 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers ? No, This is 2022 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers, to get 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers, you need to subscribe with us by texting or WhatsApping us.
How do I subscribe for 2024 Biology WAEC Questions & ANSWERS? To subscribe for 2024 Biology WAEC Questions & ANSWERS, Message 08108515604 stating that you need 2024 Biology WAEC Questions & ANSWERS a day to the exam.

How to subscribe for 2024 WAEC Biology (1712) Questions and Answers?

This is how to subscribe for 2024 WAEC Biology (1712) Questions and Answers expo and get the answers before the exam. If you want to access WAEC Biology (1712) before the exam, follow this detailed steps

Go to examplaza.com official website website for Biology subscription: You will need to visit examplaza.com official subscription page for WAEC Biology at https://examplaza.com/sub/
Grab active examplaza.com WhatsApp number and chat the admin for Biology WAEC subscription: examplaza.com has two phone numbers for whatsapp, get the active one and chat them on whatsapp for Biology subscription
Drop your subscription details: As you open whatsapp chat with examplaza.com drop your MTN recharge card and subject like this; subject: Biology, MTN Card: 746473829383738, then wait for them to confirm your payment and send you the Biology pin and whatsapp group link.

CLICK HERE TO VIEW ANSWER No. 1 (V2) on Biology

2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers 2024 WAEC BIOLOGY: 2024 WAEC BIOLOGY Midnight Essay and OBJ Questions and Answers (1712) Welcome to official 2024 Biology WAEC answer page. We provide 2024 Biology WAEC Questions and Answers on Essay, Theory, OBJ midnight before the exam, this is verified & correct WAEC Bio Expo

CLICK HERE TO VIEW ANSWER No. 1 (V1) on Biology

(1a) Cell is the basic and smallest unit of life. It is the functional unit of life, from which all living things are built. (1aii) (i) Robert Hoke (ii)Theodore Schwann (iii) Matthias Jakob Schleiden. (1bi) Draw the diagram below (1bii) Red blood cell (1biii) it will have a short life span (1c) (i) Nucleus (ii) Cell membrane (iii) Cytoplasm (iv) Chloroplast (v) Mitochondrion (vi) Golgi body

CLICK HERE TO VIEW ANSWER No. 2 (V1) on Biology

CLICK HERE TO VIEW ANSWER No. 2 (sweet version) on Biology

(2bi) TABULATE HERBIVORE: (i)Incisores are sharp and used mainly to cut, gnaw and bite (ii)Molars and premolars have flat grinding surfaces and grow continuously throughout their lifetime (iii)Dental formula I 2/3 C 0/0 PM 3/2 M3/3 = 28 CARNIVORE: (i)Incisors are pointed and are used to catch prey (ii)Molars and premolars are flattened with uneven edges and do not grow continuously throughout life. (iii)Dental formula I 3/3 C1/1 PM 4/4 M 2/3 = 42 (2bii) TABULATE HUMAN: (i)Dental formula I2/2 C1/1 PM2/2 M3/3 = 32 (ii)Molars and premolars do not grow continuously (iii)Canines are conical (iv)Teeth for feeding on plants and flesh GOAT: (i)Dental formula I2/2 C0/0 PM3/2 M3/3 = 28 (ii)Molars and premolars grow continuously (iii)Have no canines (iv)Teeth for feeding on only plants (2c) Milk teeth are the first set of teeth that grows when a child is a few months old and ready to feed on solid food. It lasts for only a short time.

CLICK HERE TO VIEW ANSWER No. 5 on Biology

=EARTHWORM=

(i) Straight

(ii) Simple

(iii) It feeds on fluid

=COCKROACH=

(ii) More enveloped

(iii) It feeds on both fluid and solid

(i)Possession of crop

(ii)Possession of gizzard

(iii)Possession of pharynx

(i) Water cycle

(ii) - Plant contribute through transpiration

- Animals contribute through respiration

- Animals contribute through perspiration

- X: Condensation

- Y: Transpiration

- Z: Evaporation

(i) Kidney stones, diuresis and oedema

(ii) Eczema, acne, vitiligo

This is a process whereby heterotrophic organisms utilize the remains of one living tissue as a source of nutrition

(ii) Bacteria

Temperature

Carbon cycle

They exhibit heterotrophic nutrition known as carnivorous or insectivorous feeding. They have attractive colours that attracts insects to them. Once the insect lands in their spine, they are killed and digested

GENERAL & QUESTIONS SECTION

Welcome to official 2024 Biology WAEC answer page. We provide 2024 Biology WAEC Questions and Answers on Essay, Theory, OBJ midnight before the exam, this is verified & correct WAEC Bio Expo

Name: examplaza.com

Founded: 2010 (14 years)

Founder: Mr. Onuwa

Headquarters: Borno, Nigeria

Official Website: https://examplaza.com/

Official Contact: +2348108515604

biology essay waec 2022

IMAGES

VIDEO

COMMENTS

itsmyschoollibrary

2022 WAEC Biology Objectives and Essay Questions with Solutions

OBJECTIVES QUESTIONS

THEORY QUESTIONS

OBJECTIVES SOLUTIONS

THEORY SOLUTIONS

Leave a Reply Cancel reply

2022 WAEC Biology Essay and Objective Answers Now Available

SHARE THIS:

+ MAY/JUN. WASSCE 2008

WAEC Biology Questions and Answers 2022/2023 [OBJ & Theory Expo]

WAEC Biology Practice Questions and Answers 2021

6. Which of these substances digestion will be affected if the duodenum of a patient is removed surgically?

How to Answer WAEC Biology Theory Questions [Paper 2].

WAEC Biology Theory Answers Structures

General WAEC Biology Expos 2020

Secrets to WAEC Biology Exam 2020

12 comments

Leave a Reply Cancel reply

Apex Minecraft Hosting Scholarship Opportunity 2022

NECO Practical Fisheries Questions & Answers [15th July, 2022]

NECO Agric Practical Answers 2022 Specimen [27th July, 2022]

WAEC Chemistry Questions and Answers 2022/2023 [Theory & OBJ] Expo

NECO Physical Education Questions and Answers 2022 For Free Essay & Objective

WAEC Biology Questions and Answers 2022/2023 Expo, Theory & OBJ

WAEC Biology Examination Date and Schedule for 2022

Biology Examination Paper Types 2022

WAEC Biology Objective (OBJ) Questions and Answers 2022 Expo

WAEC Biology Theory (Essay) Questions and Answers 2022 Expo

WAEC Biology Examination Expo 2022 Secrets

WAEC Biology Questions and Answers 2022

All you need to know about the 2022 WAEC Biology Exam

WAEC Biology Past Question and Answers

Today’s WAEC Biology Answers

How to pass WAEC Biology Examination

WAEC Biology Syllabus 2022

Related Posts

2023 WAEC Biology Practical Answers [16th May]

Miodiremugh

Legit WAEC GCE Biology Questions and Answers 2022/2023 ( Essay and Objectives)

WAEC GCE Biology Essay and Objectives Questions and Answers 2023 (Expo)

WAEC GCE Biology Essay 2023

Leave a Comment Cancel reply

EXAMKING.NET

Ads; Click Here Now to Download All WAEC 2024 Questions And Answers

EXAMKING.NET: Drop First While Others Copy From Us, We Are 100% Reliable And We Never Disappoint Our Subscribers.

USEFUL LINKS

CONNECT WITH US

Waec Biology Syllabus 2022/23 & Hot Topics

AIMS AND OBJECTIVES

SCHEME OF EXAMINATION (Waec Biology syllabus)

A. Concept of Living

2. Organization of life

3. Forms in which living cells exist:

4. (a) Cell structure and functions of cell components.

5. The Cell and its environment:

6. Properties and functions of the living cell

7. (a) Tissues and supporting systems: Skeleton and supporting systems in animals:

8. Transport System:

9. Respiratory System:

10. Excretory Systems and Mechanisms

12. Hormonal Coordination

13. Nervous Coordination

14. Sense Organs: Structure and function of the

15 (a) Reproductive system of mammals

B. Plant and Animal Nutrition ( Waec Biology Syllabus )

2. Animal Nutrition

C. Basic Ecological Concepts ( Waec Biology Syllabus )

2. Ecological factors:

3. Simple Measurement of Ecological Factors.

4. Food webs and trophic levels

6. Ecological Management:

7. Ecology of population

8. Microorganisms: Man and health

E. Variation in Population ( Waec Biology Syllabus )

2. Physiological Variations

F. Biology of Heredity (Genetics) ( Waec Biology Syllabus )

3. Chromosomes: The basis of heredity

4. Probability in genetics (Hybrid formation).

G. Adaptation for survival and Evolution. ( Waec Biology Syllabus )