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NEET Previous Year Question

$Which one of the following growth regulators is known as ‘stress hormone’?$

Topic: NEET PYQ

Answer: A. Full step-by-step solution below.

A $Abscisic acid$
B $Ethylene$
C $GA3$
D $Indole acetic acid$

Correct answer: A

Solution

(a) ABA (Abscisic acid) is called the stress hormone because it helps plants tolerate stress like drought and water deficiency.

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