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Saturday, 11 April 2026
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Biology Past Questions and Answers

Biology Questions

Question 4101:
Which of the following statements is not true about chromosomes?
  • A Each chromosome is made up of two chromatids
  • B Body cells have diploid numbers of chromosomes
  • C Homologous chromosomes do not occur in pairs naturally
  • D The sex cells have haploid number of chromosomes
  • E Chromosomes have many tranverse bands
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Question 4102:
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
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Question 4103:
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.
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Question 4104:
Which of the following is a social insect?
  • A Mosquito
  • B Butterfly
  • C Honey bee
  • D Grasshopper
  • E Cockroach
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Question 4105:
The phenomenon whereby some organisms get established in an environment after struggling for existence<br/>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
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