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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.

ML1994
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