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Q.

Assertion (A): Cytokinins help overcome the apical dominance.
Reason (R): Cytokinin helps in the delay of leaf senescence.

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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. 

answer is B.

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Detailed Solution

Cytokinins help overcome the apical dominance.They promote nutrient mobilisation which helps in the delay of leaf senescence.

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