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Growth Independent Movements

Bending of pl...

Question

Bending of plant towards light is caused by .

A

auxin

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B

cytokinin

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C

gibberellin

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D

ethylene

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Solution

The correct option is A auxin
Auxin is the hormone that causes bending of the plant towards light. Auxin synthesized by the cells move towards the shady side of the stem and causes elongation of that part. Thus the shoot appears bent towards the light.

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Similar questions

Which plant hormone bend towards the light?

Q. Which of the following is not caused by a growth movement?
(a) bending of the shoot of a plant in response to light
(b) closing up of leaves of a sensitive plant on touching with an object
(c) climbing up of a plant on an object by using tendrils
(d) movement of the root of a plant towards a source of water

Q. The bending of the stem of a plant towards a source of light is caused by the action of a phytohormone known as :
(a) abscisic acid
(b) auxin
(c) gibberellins
(d) cytokinin

explain the cause of plant bending towards light ?

Q. The bending of the stem of a plant towards a source of light is caused by the action of a phytohormone known as :

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