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Q.

Hormone that break dormancy of potato tuber is

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a

Gibberellin

b

Zeatin

c

IAA

d

ABA

answer is D.

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Detailed Solution

The dormancy of the potato tuber is broken by the gibberellin. This hormone is usually present in very small quantities but is useful for breaking the dormancy. It is also used in the seed germination of the plants.

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