Question

Assertion (A): Ethylene is the only hormone which is a gas at ordinary temperature.

Reason (R): It helps in the ripening of fruits and is produced in the roots.

विकल्प

• A is True and R is False.

• A is False and R is True.

• Both A and R are True.

• Both A and R are False.

Answer 1

A is True and R is False.

Explanation:

The assertion is true: ethylene is the only gaseous plant hormone at ordinary temperature. The reason is false because although ethylene helps ripen fruits, it is produced especially in fruits and meristematic tissues—not specifically in roots.