WASSCE objective, essay, and practical past questions and answer (BIOLOGY 2023)

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

1. The ability of organisms to maintain a constant internal environment is known

The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer question 2 and 3

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2. From the diagram above, the likely reason why the student failed the test was that the

The diagram below is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer question 2 and 3

3. Which other features of the diagram, if shown, would have earned the student more marks?

The diagram below are illustrations of forms in which a particular group of organisms exist. Study them and answer questions 4 and 5

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4. From the diagram above, Which group of organisms is illustrated

The diagram above are illustrations of forms in which a particular group of organisms exist. Study them and answer questions 4 and 5

5. In which of the illustrated forms does the organism that causes cholera exists?

6. Study the list of organisms below and use them to answer the question below

I - Hydra

II - Owl

III - Snake

IV - Snail

Arrangement of the organisms in order of increasing complexity is

7. Study the list of organisms below and use them to answer the question below

I - Hydra

II - Owl

III - Snake

IV - Snail

The phylum of the organism labelled IV is

The diagram below is an illustration of a cell in which photosynthesis takes place. Study it and answer question 8 and 9

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8. In which of the labelled parts would molecules of water and carbon (IV) oxide combining to form sugar?

9. From the diagram above, the oxygen gas formed in the cell diffuses out of the cytoplasm into the air spaces through the part labelled

10. An example of a process that involves osmosis is the

WASSCE/WAEC Biology (2023) Questions and Answers 11 - 20

11. Growth in animals differs from that in plants because growth in

The diagram below is an illustration of a structure in the skeletal system of humans. Study it and answer questions 12

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12. The illustrated structure is a part of the

13. Consider the diagram above, An individual was involved in a car accident and the illustrated structure was badly injured. Which of the following structures would most likely be affected?

14. The tricuspid valve is located between the

The diagram below is an illustration of some structures used for gaseous exchange in humans. Study it and answer questions 15 and 16

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15. The part labelled I, II, III and IV respectively are

16. The part labelled III above would be found in the

17. Which of the following hormones is wrongly paired with its secretory organ?

18. the eye defect caused by an uneven curvature of the cornea or lens or both is

19. The androecium in a flowering plant is a collection of

20. Placentation in fruits is referred to as the

WASSCE/WAEC Biology (2023) Question and Answers 21 - 30

21. Which of the following processes does not occur during photosynthesis?

22. Stunted growth and small yellow leaves in plants are symptoms of the deficiencies of

23. The structure that its action could result in choking when talking and eating at the same time is

24. The food substance that would produce the highest amount of energy is

25. Organisms that feed on dead, decaying tissues of other organisms are known as

26. The type of nutrition in which organisms take in solid organic materials into their body is

27. The mouthparts of a grasshoppers are adapted for

28. A group of organisms belonging to different species that coexist in the same habitat and interact is referred to as

29. Which of the following factors is the main problem facing xerophytes?

30. Fishes survive in water mainly because they possess

WASSCE/WAEC Biology (2023) Question and Answers 31 - 40

31. Which of the following instruments is not used in measuring abiotic factors in a habitat?

32. Which of the following soil types have a high capillarity?

33. The capturing and digestion of insects by a pitcher plant is a special form of nutrition that

34. Which of the following organisms would be the producer in a food chain?

35. The rate of decomposition of dead organisms is faster in the tropical rainforest than in other biomes because

the diagram below are illustrations of organisms in a habitat study them and answer questions 36 and 37

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36. The feeding relationship between the organisms labelled III and IV in the diagram is

37. The producer in the diagram above is

38. Which of the following activities is against the conservation of natural resoures?

Use the information below to answer questions 39 and 40

I - making shoes from crocodile Skin

II - Making tables with plastic

III - Using elephant tusk for decoration

IV - using firewood for cooking

39. The act that should be encouraged for the conservation of wildlife and forests is

40. In order to avoid some of the acts that would have negative effects on conservation, Government should

WASSCE/WAEC Biology (2023) Question and Answers 41 - 50

41. Which of the following characteristics shows discontinuous variation implants?

42. A Rhesus negative woman may experience stillbirth of the second child that is Rhesus positive because

43. A sudden change in the genetic composition of an organism is termed

44. Paternity disputes could be resolved accurately through

The illustration below is a genetic diagram. Study it and answer questions 45 to 47

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45. What is the name of the genetic diagram?

46. What do the labels I, II, III, and IV respectively represent?

47. The genotypic ratio of the offspring in the genetic diagram above is

48. What is the probability that a pregnancy would result in a male child?

49. A vestigial structure in humans is

50. The following activities are associated with termites except

Download WASSCE/WAEC Biology (2023) Paper 2 (essay questions and answer 1 - 5)

Download WASSCE/WAEC Biology (2023) Paper 3 (Practical questions and answer 1 - 3)

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