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Biology 2009 JAMB Past Questions

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26

The uniqueness of an individual organism in a population is accounted for by?

  • A. evolution
  • B. variation
  • C. adaptation
  • D. mutation
View Answer & Discuss (16) JAMB 2009
27

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
View Answer & Discuss (2) JAMB 2009
28
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
View Answer & Discuss (2) JAMB 2009
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29

The nephridia in the earthworm form part of the?

  • A. reproductive system
  • B. respiratory system
  • C. circulatory system
  • D. excretory system
View Answer & Discuss (16) JAMB 2009
30
A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller?
  • A. 100%
  • B. 75%
  • C. 50%
  • D. 25%
View Answer & Discuss (5) JAMB 2009
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