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Hormone involved in phototropism is

Hormone involved in phototropism is

Options

(a) kinetin
(b) IAA
(c) gibberellins
(d) 2,4-D

Correct Answer:

IAA

Explanation:

Phototropism is the bending response of shoots towards the source of light. It is promoted by the growth hormone auxin (indole acetic acid) which is present at the shoot apex.

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