WASSCE objective, essay, and practical past questions and answer (BIOLOGY 2022)

WASSCE/WAEC Biology (2023) Questions and Answers 1 - 10

1. Which of the following statements about living things is correct?

2. Organ level of organization in living things is found in

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

paragraph

3. From the diagram above, which of the following statements is not correct? Diagrams X and Y are sections of

4. From the diagram above, the part responsible for consucting water and dissolved mineral salts from the soil to the leaves is labelled

5. From the diagram above, the part labelled II is the

6. The organelles in cells which are also referred to as suicidal bags are the

7. The process that brings about the shrinking of a spirogyra cell when placed in a strong solution is

8. The region of a plant stem in which cells divide to increase its diameter is the

9. The total number of caudal vertebrae in animals X and Y is 4 and 27 respectively. The animal are likely to be

10. Which of the following blood components has the greatest affinity for oxygen and carbon (IV) oxide?

WASSCE/WAEC Biology (2022) Questions and Answers 11 - 20

Use the following processes to answer question 11 and 12

I - Ribs move upward and outward

II - Diaphragm relaxes

III - Volume of thorax increases

IV - Air is forced out of the lungs

11. From the following process above, which of the processes take place during inspiration?

12. From the process above, which of the processes is a direct result of contraction of the intercostal muscles?

13. The process by which the amount of water and solute in the blood are controlled is known as

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

paragraph

paragraph

14. From the diagram above, which of the following homones are I, II, III and IV respectively?

15. From the diagram above, The hormone responsible for anxiety is

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

paragraph

paragraph

16. From the above diagram, the part labelled I are the

17. From the diagram above, Which of the parts are correctly grouped? inner ear, Middle ear, Outer ear

Inner ear ---------- Middle ear ---------- Outer ear

18. From the diagram above, the middle ear is connected to the pharynx by the part labelled

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

paragraph

paragraph

19. From the diagram above, which parts of P and Q fuse to complete the biological process?

20. From the diagram above, which of the following statements about P adn Q is correct?

WASSCE/WAEC Biology (2022) Question and Answers 21 - 30

21. From the diagram above, If the number of chromosomes in the skin cells of mammals is 46, how many chromosomes would be found in P and Q respectively?

22. In which of following structures is simple sugar produced?

23. An evidence of the occurrence of photosynthesis in an experiment is the

24. The major sources of vitamin A are

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

25. From the diagram above which of the illustrated food substances would form a reaction with protease J?

26. From the diagram above, protease J would react with the particular illustrated substance because enzymes

27. From the diagram above, after a reaction between protease J and the food substance, the end-product would be

28. The property of clayey soil that prevents it from supporting thick vegetation is its

29. Which of the following practices will not maintain soil fertility?

30. A group of organisms of the same species living in a particular place is known as

WASSCE/WAEC Biology (2022) Question and Answers 31 - 40

The diagram below is an illustration of an experiment on sedimentation of soil. Use it to answer questions 31 and 32

paragraph

paragraph

31. From the above diagram, the organic component of the soil is labelled

32. From the diagram above, the part labelled IV is

33. Which of the following pyramids is not used in ecology? Pyramid of

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

J ----- K ----- L ----- M ----- N

34. from the above illustration, Organism J is normally sustained by energy from

35. From the illustration above, which of the following statements about organism L is correct?

36. From the illustration above, the positioned occupied by each of organism J, K, L, M and N in the food chain is known as the

37. Which of the following feature is not an adaptation of plant to acquatic habitats?

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

39. The conservation of natural resources is enhanced by the following practices except

40. The burning of farmlands should be discouraged because it

WASSCE/WAEC Biology (2022) Question and Answers 41 - 50

41. The use of a lighter instead of match sticks is a way of conserving

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

43. Which of the following traits in humans is an example of physiological variation?

44. Individuals belonging to blood group O are universal donors because

45. Two tall plants were crossed and all the F1 plants were tall. When the F1 plants were selfed, some of the F2 plants were tall while others were short. What are the possible genotypes of the original plants?

46. Which of the following statements best describes a test cross?

47. Which of the following statements about sex-linked traits is not correct?

48. When two carriers of sickle cell anaemia produce an offspring, the probability of the offspring being a sickler is

49. Which of the following organisms exhibits adaptive coloration?

50. Which of the following sequences is the correct evolutionary trend in organisms?

Download WASSCE/WAEC pdf Biology (2022) Paper 2 (essay questions and answer 1 - 5)

Download WASSCE/WAEC pdf Biology (2022) Paper 3 (Practical questions and answer 1 - 3)

I recommend you check my article on the following: