Botany-Growth Regulators
NEET Botany Growth Regulators Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): Cytokinins are essential for the promotion of cell division in plant tissues. | Reason (R): Cytokinins were discovered through their role in promoting cell elongation in plant tissues.
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
Cytokinins promote cell division as discovered by Miller et al. (1955), but they are not primarily associated with cell elongation, which is typically related to other growth regulators like gibberellins.
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