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

NAA

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ABA

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IAA

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Zeatin

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Solution

The correct option is D ABA
Gibberellin is responsible for seed germination. The hormone ABA ( Abscisic acid) inhibits seed germination.
It is a powerful inhibitor promoting seed dormancy. Hence ABA is antagonistic to gibberellin.
Thus the correct answer is option B.

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Which hormone acts antagonistically to gibberellins?

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