By inducing dormancy, abscisic acid helps seeds to withstand extreme conditions.

True

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False

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Solution

The correct option is A
True

Abscissic acid (ABA) is a phytohormone responsible for induction of dormancy in seeds and buds. By inducing dormancy, ABA helps the seeds to withstand extreme dryness (desiccation) and other factors unfavourable for growth.

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Assertion(A): ABA helps seed to withstand desiccation and other factors unfavorable for growth.

Reason(R): ABA induces seed dormancy.

Hormones	Function
1.Ethylene	i. Helps in cell division.
2.Gibberellin	ii. Induces dormancy in buds and seeds
3.Cytokinin	iii. Helps in the ripening of fruit
4.Abscisic acid	iv. Causes bolting in plants

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