Biology 2020 Past Questions | JAMB

Study the following Biology past questions and answers for JAMBWAEC  NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.

31. The noticeable adaptation of the animal to it’s aquatic habitat is the possession of

  • A. webbed digits
  • B. four limb
  • C. wide mouth
  • D. large eyes

 32. Paternity disputes can most accurately be resolved through the use of

  • A. blood group typing
  • B. finger printing
  • C. tongue rolling
  • D. DNA Analysis

33.

Use the table below to answer the question 33 to 34.

Ecological Zone

Temperature (°C)

Rainfall (mm)

I

45

300

II

32

2000

III

30

2,200

IV

15

800

High relative humidity will be expected in Zones

 

  • A. ii and iv
  • B. ii and iii
  • C. i and iii
  • D. i and iv

34. Which of the zones is likely to be a desert?

  • A. i
  • B. ii
  • C. iii
  • D. iv

35.  When bacteria swim from cold to warm regions, this is known as

  • A. positive phototaxis
  • B. negative phototaxis
  • C. positive thermotaxis
  • D. negative chemotaxis

36. The only caste in the termite colony whose members can feed themselves are the

  • A. workers
  • B. reproductive
  • C. soldiers
  • D. nymphs

37. Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents

  • A. both parents possess genes for shortness
  • B. the father possesses a gene for shortness
  • C. nature makes the child short
  • D. 

38. Which of the following vertebrates has the most simple structured heart

  • A. reptile
  • B. fish
  • C. mammal
  • D. Amphibian

39. 

f86s5Nf7eIPkgAAAABJRU5ErkJggg==

 Use the diagram to answer the question.

The type of protective adaption exhibited by the animal is

  • A. disruptive colouration
  • B. flash colouration
  • C. countershading colouration
  • D. warning colouration

40. The structure labelled i is

  • A. photosensitive
  • B. radiosensitive
  • C. chemoreceptive
  • D. tactile
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