JAMB Biology 2021 Objective — Question 11

Question 11 of 40 from the Joint Admissions and Matriculation Board (JAMB) Biology 2021 Objective paper, with the correct answer and a full explanation.

11. The plant hormone that is responsible for ripening of fruits is (a) auxin (b) gibberellin (c) acetylene (d) ethylene

A. auxin
B. gibberellin
C. acetylene
D. ethyleneCorrect

Explanation

Ethylene (ethene) is the plant hormone responsible for the ripening of fruits. It should not be confused with acetylene (ethyne).

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