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Question

Hormone responsible for ageing is

A
GA
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B
IAA
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C
ABA
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D
Cytokinin
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Solution

The correct option is C ABA
Abscisic acid is a plant hormone. It is also called as stress hormone. It is present in high concentration during adverse condition. It stimulates senescence in plants. It accelerates the ageing process in plant.
Thus, the correct answer is option C.

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