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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 was identified as the active substance causing the 'bakanae' disease in rice seedlings.

Reason (R): Cytokinins were discovered from the extracts of coconut milk.

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 but R is true.

Correct Answer

Option B

Detailed Explanation

While both statements are true, the identification of gibberellic acid as the cause of 'bakanae' disease is unrelated to the discovery of cytokinins from coconut milk extracts.

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