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Monday, 17 August 2026
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Biology Past Questions and Answers

Topic: Reproduction in mammals

Jamb Biology Questions - Reproduction in mammals

Question 21:
Use the diagram above to answer this question. The function of the structure labelled l is to
  • A Stimulate the development of secondary sexual characters
  • B Prepare the body for any emergency
  • C Maintain proper glucose concentration in the blood
  • D Regulate the activities of other endocrine glands
View Answer & Explanation
Question 22:
Use the diagram above to answer this question.
Which of the following will be true of dog ll which lost its tail in an accident if it mates with dog lll.
  • A None of its offspring will be born without a tail
  • B 3/4 of its offspring will be born without tails
  • C All its offspiring will be born without tails
  • D 1/4 of its offspring will be born without tails
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Question 23:
In plants, the structure that performs a similar function with the testis in mammals is the
  • A Stigma
  • B Filament
  • C Anther
  • D Receptance
View Answer & Explanation
Question 24:
Which of the following is the most advanced evolutionary development in plants?
  • A Possession of unicellular structures
  • B Development of flowers
  • C Dispersal of spores
  • D Development of secondary thickening
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Question 25:
Use the diagram above to answer this question. The male inflorescence is labelled
  • A I
  • B Ii
  • C Iii
  • D Iv
View Answer & Explanation