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Sunday, 14 June 2026
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Biology Past Questions and Answers

Waec Biology Questions

Question 326:
Which of the following is not required for primary production to occur in plants?
  • A Chlorophyl
  • B Sugar
  • C Water
  • D Carbon dioxide
  • E Solar energy
View Answer & Explanation
Question 327:
Which of the following blood group(s) is/are the universal donor(s)
  • A O
  • B A
  • C B
  • D AB
  • E AB and O
View Answer & Explanation
Question 328:
The branch of science which deals with resemblances, origin and expression of biological variations is
called
  • A Embryology
  • B Ecology
  • C Entomology
  • D Genetics
  • E Taxonomy
View Answer & Explanation
Question 329:
Which of the following can cause desert encroachment?
  • A Afforestation
  • B Irrigation
  • C Planting of trees
  • D Establishment of game reserve
  • E Overgrazing
View Answer & Explanation
Question 330:
The morphological, physiological and behavioural characteristics which enable an organism to survive in
its environment is called
  • A Heredity
  • B Ecology
  • C Competition
  • D Adaptation
  • E Variation
View Answer & Explanation