Which of the following breaks the dormancy of seeds?

IAA

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_{3}

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Auxin

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All of the above

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Solution

The correct option is B GA $_{3}$
Gibberellins are growth promoting phytohormones. Gibberellic acid (GA3) is a form of gibberellin that promotes the seed germination or breaks seed dormancy in certain plants. In a classic experiment involving barley seed germination. It produces long stems with broader leaves and enhances photosynthesis.

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Which of the following is used to break the seed dormancy?

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