Assertion: Ethylene cause climacteric ripening of fruits.
Reason : Climacteric fruits show a rise in respiration at the time of ripening.

Options

A. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C. If the assertion is true but the reason is false
D. If both the assertion and reason are false

Answer

B

Explanation

Ethylene is a ripening agent. It is involved in the ripening of climacteric fruits. The climacteric fruits are fleshy fruits which show sudden sharp rise in the rate of respiration at the time of ripening. This sudden sharp rise in the rate of respiration is called respiratory.