Abscisic acid controls .....................

Shoot elongation

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Cell elongation and cell wall formation

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Cell division

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Leaf fall and dormancy

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Solution

The correct option is D Leaf fall and dormancy
ABA induces bud dormancy in a number of plants. In perennial plants, ABA causes the active axillary buds to become dominant. It maintains dormancy in many seeds. ABA functions as a stress hormone by inducing a temporary closure of stomata to tide over adverse environmental conditions.

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Similar questions

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

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

a

b

c

d

Match the following:-

	A		B
1	Cell elongation and apical dominance	a	Ethylene
2	Cell division	b	Gibberellins
3	Wilting of leaves	c	Auxin
4	Fruit ripening	d	Cytokinin
5	Breaking seed dormancy	e	Abscisic acid

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