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Friday, 03 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 6:
Which of the following plant hormone is responsible for ripening of fruits?
  • A Gibberellins
  • B Abscisic acid
  • C Ethylene
  • D Cytokinins
View Answer & Explanation
Question 7:
The ability of a living organism to detect and respond to changes in the environment is referred to as
  • A Locomotion
  • B Taxis
  • C Irritability
  • D Growth
View Answer & Explanation
Question 8:
An example of an endospermous seed is
  • A Been seed
  • B Cashew nut
  • C Cotton seed
  • D Maize grain
View Answer & Explanation
Question 9:
Which of the following theories was NOT considered by Darwin in his evolutionary theory?
  • A Variation
  • B Survival of the fitest
  • C Use and disuse
  • D Competition
View Answer & Explanation
Question 10:
Which of the following protects the essential parts of the flower at bud stage?
  • A Stamens
  • B Sepals
  • C Petals
  • D Carpels
View Answer & Explanation