Biology JAMB Past Questions and Answers 2022

1. Sources of air pollutants are

2. Which of the following diseases can be prevented by innoculation?

3. Which of these is NOT an adaptive feature for arboreal life?

4. Which of the following is formed immediately after the first product of photosynthesis?

5. A wide pith with a ring of conducting tissue is characteristic of the root of

6. The gill rakers of fishes take part in

7. In a savanna ecosystem, the abiotic factors include

8. Heamophilia results from the mutation of the genes

9. An individual in the AB blood group is a universal recipient for blood donation because

10. What stage during cell division is represented in the figure above?

11. What would be the result of the first filial generation (F1) and the second filial generation (F2) of a monohybrid cross between pure line normal-winged Orosophila flies and pure line short winged flies, if the gene for the normal wing is dominant?

12. In an organism where the 2nd number of chromosome is 16, the number of chromosomes in each gametes will be

13. The part of the ear that is concerned with balance is the

14. The algae bryophytes and pteridophytes are similar in that they

15. Which of the following groups of invertebrates reproduces by budding?

16. Hydra removes undigested food by

17. Which of the following characteristics is common to Amoeba and Paramecium?

18. Viruses are considered to be living organism because they

19. The body of a snail is divided into head

20. The pedipalpi in spiders are used for

21. Which of the following is a common characteristic of crustaceans?

22. Use the figure below to answer the question

As the tadpole develops, the structure labelled 5

23. Use the figure below to answer the question

The structure labelled 4 is for

24. Mineral salts can be abscribed into the roots by

Which of the following phyla have members with both internal and external
segmentation?

26. Double fertilization is a unique feature of

27. A multinucleate body without internal cell boundaries is characteristic of

28. A characteristic of the phylum coelenterata is that

29. When a virus is placed in a non-living medium, it

30. In vegetative propagation, which of the following requires part of another plant to develop?

31. Airspace are characteristics of seeds or fruits dispersed by

A dry dehiscent fruit which breaks up into
one-seeded part is a

33. Taxism differs from tropism because

34. Parenchyma cells serve as supporting tissue when they

The skin, through the sweat glands,
functions as

36. In the kidney, the malphibian corpuscle is located in the

37. The main waste products formed in plants are

38. In the mammalian respiratory system, exchange of gases occurs in the

39. If the phloem of a healthy plant is killed by heat treatment, the

40. Which of the following will be first digested if ingested at the same time?