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Thursday, 30 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 676:
The part of the ear that is concerned with balance is the
  • A Semi-circular canals
  • B Incus
  • C Malleus
  • D Eustachian tube
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Question 677:
In organism where the 2nd number of chromosomes is 16, the number of chromosomes in each gamete will be
  • A 32
  • B 16
  • C 8
  • D 4
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Question 678:
What will be the result of the first filial generation (F1) and the second filial generation (F2) of a mono-hybrid cross between pure line normal-winged Drosophilia flies and pure line short-winged flies, if the gene for the normal wing is dominant?
  • A F<sub style='font-size: smaller;'>1</sub> flies all short-winged and F<sub style='font-size: smaller;'>2</sub> flies all normal-winged
  • B F<sub style='font-size: smaller;'>1</sub> flies all normal and F<sub style='font-size: smaller;'>2</sub> flies all short-winged
  • C F<sub style='font-size: smaller;'>1</sub> flies all short-winged and three-quarters of F<sub style='font-size: smaller;'>2</sub> flies are short-winged
  • D F<sub style='font-size: smaller;'>1</sub> flies all normal-winged and three-quarters of F<sub style='font-size: smaller;'>2</sub> flies are normal-winged
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Question 679:
What stage during cell division is represented in the figure above?
  • A Prophase
  • B Metaphase
  • C Anaphase
  • D Telophase
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Question 680:
An individual in the AB blood group is a universal recipient for blood donation because
  • A All the red blood cells do not carry antigen
  • B All the red blood cells carry antigen
  • C All the red blood cells carry antigen
  • D There are no anti-A and anti-B antibodies in the serum
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