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Tuesday, 23 June 2026
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Biology Past Questions and Answers

Biology Questions

Question 681:
What do bacteria in root nodules derive from the host plant?
  • A Protection and minerals
  • B Water and minerals
  • C Carbonhydrates and water
  • D Protection and carbohydrates
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Question 682:
Free nitrogen is released to the atmosphere by
  • A Nitrogen-fixing bacteria
  • B Nitrifying bacteria
  • C Denitrifying bacteria
  • D Saprophytic bacteria
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Question 683:
Which structure is the glomerulus?
  • A 5
  • B 3
  • C 2
  • D 1
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Question 684:
If the blood is too concentrated, more water is absorbed from
  • A 5
  • B 4
  • C 3
  • D 1
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Question 685:
All the cell bodies in the spinal cord are found in
  • A 1
  • B 2
  • C 3
  • D 4
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