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Which one of the following growth regula...

Which one of the following growth regulators is known as 'stress hormone'?

A

abscsic acid

B

Ethylene

C

`GA_3`

D

lndole acetic acid

Text Solution

Verified by Experts

The correct Answer is:
A
Abscisic Acid (ABA) is also known as 'strees hormone ' or dormin because it is produced in much higher amounts, when plants am subjected to various kinds of stresses .It often gives plant organs a signal that they are undergoing physiological stresses such as lack of water, saline soil, cold temperature, and frost. ABA often cause responses that help plants and protect against these stresses.
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