Botany-Growth Regulators

NEET Botany Growth Regulators Assertion Reason Question

Type: Assertion Reason-assertion-Hard-Class 11

Assertion (A): Gibberellic acid promotes stem elongation in plants. | Reason (R): Gibberellic acid is derived from adenine compounds and is primarily responsible for cytokinesis.

A

Both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false.

D

A is false.

Correct Answer

Option C

Detailed Explanation

Gibberellic acid indeed promotes stem elongation, but it is not derived from adenine compounds nor is it primarily responsible for cytokinesis. These are characteristics of cytokinins, not gibberellins.

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