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Thursday, 02 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 46:
The presence of sunken stomata and the folding of leaves are adaptations to
  • A Prevent entry of pathogens
  • B Reduce water loss
  • C Remove excess water
  • D Prevent guttation
View Answer & Explanation
Question 47:
Spines and shells on animals are adaptation for
  • A Camouglage
  • B Chemical defence
  • C Physical defence
  • D Mimicry
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Question 48:
An example of cryptic colouration is the
  • A Mottled colours on the moths that rest in lichens
  • B Bright colour of an insect pollinated flower
  • C Green colour of a plant
  • D Bright marks on poisonous tropical frog on veriegated leaves
View Answer & Explanation
Question 49:
Which of the following requires the use of carbon dating to prove that evolution has occurred?
  • A Comparative anatomy
  • B Biochemical similarities
  • C Molecular records
  • D Fossil records
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Question 50:
the inactive state exhibited by an animal during hot dry seasons is termed
  • A Aestivation
  • B Dormancy
  • C Resting
  • D Hibernation
View Answer & Explanation