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Friday, 13 November 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 1241:
Which of the following organisms is a primary consumer?
  • A Dog
  • B Sheep
  • C Grass
  • D Fungus
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Question 1242:
P → Q → R → S → T

he organism designated P in the food chain above is normally sustained by energy from
  • A Sunlight
  • B Carbohydrates
  • C Green plants
  • D Mineral salts.
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Question 1243:
P → Q → R → S → T

Which of the following statements best describes the organism designated R? It
  • A Feeds on S
  • B Is a primary consumer
  • C Is a producer as well as a consumer
  • D Is a secondary consumer
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Question 1244:
Food chains are relatively short because
  • A Of energy recycling in the ecosystem
  • B Energy gain at each trophic level is high.
  • C Of energy loss at each trophic level
  • D Energy flow in an ecosystem is uni-directional.
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Question 1245:
which of the following organisms does not show colour adaptation to its environment?
  • A Chameleon
  • B Earthworm
  • C Fish
  • D Toad
View Answer & Explanation