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Botany-Growth Regulators

NEET Botany Growth Regulators Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Assertion (A): Gibberellic acid is involved in promoting cell elongation in plants.

Reason (R): Gibberellic acid was identified as the active substance in the 'bakanae' disease of rice.

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 B

Detailed Explanation

While both statements are true, the reason (R) does not explain the assertion (A) as the identification of gibberellic acid in the 'bakanae' disease is not directly related to its role in cell elongation.

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