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Tuesday, 07 April 2026
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Biology Past Questions and Answers

Biology Questions

Question 81:
which of these elements in plants is required in small quantities only
  • A Boron
  • B Nitrogen
  • C Phosphorus
  • D Magnesium
  • E Potassium
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Question 82:
a potometer was used to compare the rate of loss of the same volume of water from a plant under different environmental conditions as under a fan, at the sea shore, under the sun, in the airy laboratory and in cupboard. What time was likely to have been obtained in a cupboard?
  • A 15 secs
  • B 30secs
  • C 25secs
  • D 20secs
  • E 28secs
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Question 83:
The mammalian stomach can carry out a number of processes except
  • A Absorption of glucose
  • B Secretion of hydrochloric acid
  • C Secretion gastric juice
  • D Churning of food
  • E Production of trypsin
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Question 84:
A spirogyra cell placed was placed in solution X after 1 minute the cell has been plasmolysed, solution X was
  • A Tap water
  • B A very strong sugar solution
  • C A weak sugar solution
  • D A very weak salt solution
  • E Distilled water
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Question 85:
A farmer X working in a swamp did not eat any food nor drink any water. Which of this diseases can he not contact
  • A Cholera
  • B Bilharzia
  • C River blindness
  • D Malaria
  • E Sleeping sickness
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