One of the most commonly detected inhibitor of germination is .............

Gibberellic acid

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Abscisic acid

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Pantothenic acid

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Tartaric acid

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Solution

The correct option is A Abscisic acid
ABA is the hormone which promotes seed dormancy. Promoting seed dormancy results in the delay of germination. It also promotes aging of plants. ABA promotes bud dormancy in several plants.
So, the correct answer is 'Abscisic acid'

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