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Sunday, 15 November 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 2011:
The diagram below is an illustration of a part of a flower. Study it and answer the question below;

The function of the part labeled I is
  • A Receiving the pollen grain
  • B Passage for the male gamete to the ovary
  • C Germination of the pollen grain
  • D Site for double fertilization in the plant
View Answer & Explanation
Question 2012:
Which of the following tissues does not provide support in flowering plants?
  • A Collenchyma
  • B Parenchyma
  • C Xylem
  • D Phloem
View Answer & Explanation
Question 2013:
The diagram is an illustration of an experimental set-up. Study it and answer the question;
The set-up directly measure

  • A Transpiration of water by the shoot
  • B Evaporation of water from the leaves
  • C Absorption of water by the shoot
  • D Loss of mineral salts from the leaves
View Answer & Explanation
Question 2014:
The diagram below is an illustration of an experimental set-up. Study it and answer the question below;

The set-up can measure comparatively the rae of
  • A Evaporation from leaves on a single shoot under different experimental conditions
  • B Salt uptake by shoots from different plants
  • C Transpiration of a single shoot of a plant under different experimental conditions
  • D Water uptake by roots of different plants
View Answer & Explanation
Question 2015:
The respiratory organ of a cockroach
  • A Air sac
  • B Trachea
  • C Lung book
  • D Lung
View Answer & Explanation