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1931
Cross-breeding is a way of
  • A. developing superior varieties of plants only
  • B. developing superior varieties of animals only
  • C. developing disease-resistant varieties only
  • D. encouraging random reproduction in agriculture
  • E. applying the principles of heredity in agriculture
View Answer & Discuss WAEC 1996
1932

The wings of bats and birds, the flippers of whale and the fins of fish are examples of

  • A. adaptive radiation
  • B. vestigial organs
  • C. continuous variation
  • D. convergent evolution
  • E. divergent evolution.
View Answer & Discuss (12) WAEC 1996
1933
Which of the following is a social insect?
  • A. Mosquito
  • B. Butterfly
  • C. Honey bee
  • D. Grasshopper
  • E. Cockroach
View Answer & Discuss (2) WAEC 1996
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1934
The phenomenon whereby some organisms get established in an environment after struggling for existence
by taking advantage of some special features possessed by the organism is called
  • A. partial selection
  • B. artificial selection
  • C. natural selection
  • D. mutation
  • E. competition
View Answer & Discuss (6) WAEC 1996
1935
The statements below are about evolution of species
I. Members of a species vary ll. Organisms produce many offspring lll. The mechanism of evolution is
inheritance of acquired characters IV. Changes in the phenotype is brought about by the individual itself

Which of the statement(s) is/are related to the Darwin’s theory of evolution?
  • A. I only
  • B. II only
  • C. I, II and IV
  • D. I and II only
  • E. II and IV only
View Answer & Discuss (6) WAEC 1996
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