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NEET Previous Year Question

$Which one of the following generally acts as an antagonist to gibberellins?$

Topic: NEET PYQ

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

A $ABA$
B $IAA$
C $Zeatin$
D $Ethylene$

Correct answer: A

Solution

(a) Abscisic acid (ABA) acts as an antagonist to gibberellins (GA). GA \to promotes growth, seed germination, elongation ABA \to inhibits growth and promotes dormancy.

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