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Friday, 03 April 2026
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Biology Past Questions and Answers

Jamb Biology Questions

Question 21:
A seed of a flowering plant can best be described as
  • A Radicle and plumule
  • B The developed ovule
  • C The embryo and endosperm
  • D Developed ovary
View Answer & Explanation
Question 22:
Which of the following processes removes carbon from the atmosphere?
  • A Putrefaction
  • B Photosynthesis
  • C Volcanic eruption
  • D Burning of fuels
View Answer & Explanation
Question 23:
Which of the following cycles involves the process of precipitation and transpiration?
  • A Water cycles
  • B Carbon cycle
  • C Nitrogen cycle
  • D Oxygen cycle
View Answer & Explanation
Question 24:
What is the critical limiting factor for plants below the photic zone in an aquatic ecosystem?
  • A Availability of nutrients
  • B Availability of water
  • C Intensity of light
  • D Carbon dioxide concentration
View Answer & Explanation
Question 25:
Which of the following instruments is used to estimate the number of plants in a habitat?
  • A Pooter
  • B Pitfall trap
  • C Quadrant
  • D Sweep net
View Answer & Explanation