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Thursday, 02 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 26:
The major cause of global warning is the
  • A Burning of fossil fuel
  • B Construction of dams
  • C Use of electricity
  • D Exploration of space
View Answer & Explanation
Question 27:
The uniqueness of an individual organism in a population is accounted for by
  • A Evolution
  • B Variation
  • C Adaptation
  • D Mutation
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Question 28:
A phenotypic character with intermediate forms that can be graded from one extreme to the other is referred to as
  • A Discontinuous variation
  • B Continuous variation
  • C A mutant
  • D A genome
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Question 29:
A farmer's assumption that the seed from a good harvest will produce a good yield is explained by the theory of
  • A Evolution
  • B Adaptation
  • C Variation
  • D Heredity
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Question 30:
In Mendelian inheritance, discontinuous characters are controlled by the
  • A Centromeres
  • B Alleles
  • C Chromosomes
  • D Chromatids
View Answer & Explanation