The phytohormone involved in phototropism is

Gibberellin

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Kinetin

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2, 4-D

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IAA

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Solution

The correct option is C IAA
Phototropism is the growth of an organism in response to a light stimulus. Auxins such as Indole acetic acid (IAA) play an important role in phototropism. IAA is found on the shoot tips and is responsible for directional movement of the plant in response to sunlight. Thus the correct answer is option D.

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Similar questions

Physiological effects of a phytohormone are given below

1. Cell division

2. Removal of apical dominance

3. Delay of senescence

4. Help in stomatal opening

Identify the phytohormone involved in the above processes

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