Hormone which breaks seed dormancy is

Auxin

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Gibberellin

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Ethylene

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Cytokinin

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Solution

The correct option is A Gibberellin
Gibberellins are inducers of hydrolytic enzymes like alpha amylase which helps mobilize the reserve food starch stored in cotyledons or endosperms. Thus, gibberellins induce seed germination.
Therefore, the correct answer is option B.

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Which plant hormone helps in breaking seed dormancy?

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