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Question

The activity of α-amylase in the endosperm of barley germinating seed is induced by .......

A
Ethylene
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B
Cytokinin
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C
IAA
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D
Gibberellin
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Solution

The correct option is D Gibberellin
Nutritive tissue present in the seed named as endosperm, contains aleurone layer. It contains several enzymes like alpha amylase, proteases, etc., which are essential for breaking seed dormancy. The synthesis of these are induced by GA.

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