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Thursday, 25 June 2026
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Biology Past Questions and Answers

Biology Questions

Question 741:
The flowering period of plants in a habitat is determined by the
  • A Duration of sunlight
  • B Intensity and duration of rainfall
  • C Relative humidity of the atmosphere
  • D Temperature of the habitat
View Answer & Explanation
Question 742:
The structure labelled X is used by the organism in the same way as man uses his
  • A Oesophagus
  • B Trachea
  • C Stomach
  • D Intestine
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Question 743:
The structure labelled Y is the
  • A Food vacuole
  • B Nucleolous
  • C Macronucleus
  • D Contractile vacuole
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Question 744:
Which of the following insects undergoes incomplete metamorphosis?
  • A Mosquito
  • B Termite
  • C Housefly
  • D Moth
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Question 745:
An onion is a bulb because it
  • A Has a tuberous stem
  • B Has a reduced stem and thick fleshy leaves
  • C Has adventitous roots
  • D Bears many buds at the nodes
View Answer & Explanation