Assertion (A): Assertion (A): Cytokinins are found in higher concentration in the senescent leaves. Reason (R): Reason (R): Cytokinins promote nutrient mobilization, which delays senescence.
- ABoth A and R are true and R is the correct explanation of A
- BBoth A and R are true but R is NOT the correct explanation of A
- CA is true but R is false
- DA is false but R is true
✓ Correct answer: D
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