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Friday, 13 November 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 1391:
What is the probability? of a man of blood group AB married to a woman of blood group O producing a child of blood group O?
  • A 0%
  • B 25%
  • C 50%
  • D 75%
View Answer & Explanation
Question 1392:
A man with blood group It IA IA is married to a woman with blood group IA IO. The blood group of their son is likely to be
  • A A
  • B O
  • C B
  • D AB
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Question 1393:
Natural selection is a consequence of
  • A Distribution of organisms
  • B Adverse conditions
  • C Variation in organisms
  • D Inbreeding
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Question 1394:
Which of the following components of Larmark’s theory of evolution is considered faulty?
  • A Individuals of the same species growing under different environmental conditions differ from each other
  • B Use of certain organs result in development of those parts
  • C Unused organs degenerate
  • D Changes that result in individuals of the same species are transmitted to offspring
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Question 1395:
A vestigial structure in humans is
  • A Earlobe
  • B Toe bone
  • C Tail bone
  • D Spleen
View Answer & Explanation