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Friday, 12 June 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 186:
Which of the following limiting resources is competed for by organism in the desert?
  • A Light
  • B Temperature
  • C Oxygen
  • D Water
  • E Carbondioxide
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Question 187:
The adaptation for water conservation in organisms include the following except
  • A Scales in fishes
  • B Scales on leaves
  • C Thick leaves
  • D Spine in plants
  • E Succulent stem
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Question 188:
Which of the following structures is a protective adaptive feature of the Agama lizard to terrestrial habitat?
  • A Claws
  • B Gular fold
  • C Scaly skin
  • D Nuchal crest
  • E Tail
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Question 189:
which of the following statements best explains the term aestivation?
  • A A device for survival during a period of extreme food and water shortage
  • B A method of survival adopted by plants during dry season
  • C Movement of animals over long distance
  • D A method of survival adopted by animals under favourable condition
  • E A device for rapid multiplication during abundance of food
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Question 190:
The phenomenon whereby some organisms with certain features get established in an environment is known as
  • A Partial selection
  • B Artificial selection
  • C Natural selection
  • D Mutation
  • E Colonization
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