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Monday, 13 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 26:
JAMB 1992
Double fertilization in higher plants is significant because it ensures the
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  • A Formation of a fertile embryo
  • B Formation of a fertile embryo and the endosperm
  • C Developement of the seed
  • D Developement of the fruit
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Question 27:
JAMB 1992
In mammalian development, the function of the yolk is to
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  • A Supply nutrients to the embryo
  • B Act as the shock-absorber to the foetus
  • C Supply air to the embryo
  • D Facilitates the process of excretion in the foetus
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Question 28:
JAMB 1992
Hypogeal germination is characterized by the
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  • A Emergency of the plumule out of the ground
  • B Provision of nourishment by the endosperm
  • C Elongation of the hypocotyl
  • D Elongation of the epicotyl
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Question 29:
JAMB 1992
Fruits which develop without fertilization of the ovule are
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  • A False
  • B Multiple
  • C Aggrgate
  • D Parthenocarpic
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Question 30:
JAMB 1992
Which part of the curve represents the fastest rate of growth?
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  • A K
  • B L
  • C M
  • D N
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