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Biology 1991 WAEC Past Questions

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51
Which of the following structures is a protective adaptive feature of the Agama lizard to terrestrial habitat?
  • A. Claws
  • B. Gular fold
  • C. Scaly skin
  • D. Nuchal crest
  • E. tail
View Answer & Discuss (3) WAEC 1991
52
which of the following statements best explains the term aestivation?
  • A. a device for survival during a period of extreme food and water shortage
  • B. A method of survival adopted by plants during dry season
  • C. Movement of animals over long distance
  • D. A method of survival adopted by animals under favourable condition
  • E. A device for rapid multiplication during abundance of food
View Answer & Discuss (12) WAEC 1991
53
The phenomenon whereby some organisms with certain features get established in an environment is known as
  • A. partial selection
  • B. artificial selection
  • C. natural selection
  • D. mutation
  • E. colonization
View Answer & Discuss WAEC 1991
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54
who formulated the theory of natural selection in evolution?
  • A. Louis pasteur
  • B. Robert Hooke
  • C. Jean Lamarck
  • D. Mathias Schlieden
  • E. Charles Darwin
View Answer & Discuss WAEC 1991
55

The wing of a bat and that of a bird, the flippers of a whale and the fins of s fish are example of?

  • A. adaptive radiation
  • B. vestigial structures
  • C. continuous variation
  • D. convergent evolution
  • E. divergent evolution
View Answer & Discuss (4) WAEC 1991
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