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Biology Past Questions

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656

The function of the part labelled 1 is to

  • A. secrete a fluid which lubricates the joint
  • B. attach muscles to the bones at the joint
  • C. bend the bones at the joint
  • D. hold the joint in place
View Answer & Discuss (16) JAMB 1992
657
Double fertilization in higher plants is significant because it ensures the
  • 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
View Answer & Discuss (5) JAMB 1992
658
In mammalian development, the function of the yolk is to
  • 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
View Answer & Discuss (1) JAMB 1992
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659
Hypogeal germination is characterized by the
  • 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
View Answer & Discuss (1) JAMB 1992
660
Fruits which develop without fertilization of the ovule are
  • A. false
  • B. multiple
  • C. aggrgate
  • D. parthenocarpic
View Answer & Discuss JAMB 1992
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