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Sunday, 16 August 2026
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Biology Past Questions and Answers

Topic: Natural vegetative propagation

Jamb Biology Questions - Natural vegetative propagation

Question 6:
An onion is a bulb because it
  • A Has a tuberous stem
  • B Has a reduced stem and thick fleshy leaves
  • C Has adventitous roots
  • D Bears many buds at the nodes
View Answer & Explanation
Question 7:
The type of vegetative reproduction illustrated in the diagram above is
  • A Grafting
  • B Adventitious bud
  • C Sucker
  • D Aerial layering
View Answer & Explanation
Question 8:
Which of the following growth activities in plants is brought about by gibberellins?
  • A Rapid cell division
  • B Tropic response
  • C Cell elongation
  • D Main cell elongation
View Answer & Explanation
Question 9:
which of the following is true of cloning?
  • A It is welcomed as an ethical and morally sound science
  • B Only one cell of the original organism is needed to initiate the process
  • C The clone is similar to but not exactly like the original organism
  • D It involves the asexual multiplication of the tissues of the original organism
View Answer & Explanation
Question 10:
Plants that show secondary growth are usually found among the
  • A Thallophytes
  • B Pteridophytes
  • C Monocotyledons
  • D Dicotyledons
View Answer & Explanation