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Movement in Organisms

The bending o...

Question

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

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B

gibberellins

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C

cytokinin

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D

auxin

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Solution

The correct option is D auxin
The bending of the stem of a plant towards a source of light is caused by the action of a phytohormone auxin.

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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

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Movement in Organisms

Standard X Biology

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