.......... is a plant hormone which inhibits growth leading to wilting of leaves.

Abscisic acid

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Solution

The correct option is A Abscisic acid
Wilting of leaves is the loss of rigidity and caused when turgor pressure is lignified and reach zero.
It happens in the inadequate water supply and is caused by the hormone abscisic acid to prevent water loss.
So the correct option is option A- 'Abscisic acid'.

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Similar questions

Name the plant hormone:
A. which inhibits growth and causes wilting of leaves.
B. which promotes cell division.

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