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Question
The hormone which accelerates senescence (ageing) and abscission of leaves is ______.
Options
IAA
GA3
ABA
GA1
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Solution
The hormone which accelerates senescence (ageing) and abscission of leaves is ABA.
Explanation:
The hormone Abscisic Acid (ABA) is responsible for the abscission of foliage and the acceleration of senescence (ageing). It is an inhibitor of growth.
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