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Byju's Answer
Standard XII
Biology
Plant Growth Regulators
which one of ...
Question

which one of the following hormone is involved in phototropism?

A
IAA
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B
GA3
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C
Kinetin
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D
2, 4-D
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Solution

The correct option is A IAA
IAA - Indole 3 Acetic acid helps plants to respond to light – phototropism.

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