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Question
Hormone involved in phototropism is
Hormone involved in phototropism is
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Solution
The correct option is A IAA
The tropic movement of plant part in response to the sunlight is called phototropism. The stimulus for phototropism is a IAA hormone that is present at the tip of the stem and is responsible for bending towards light. When the tip of stem is cut, the decapitated plant does not bend towards light because of lack of IAA at the tip.Thus, the correct answer is option A.
The tropic movement of plant part in response to the sunlight is called phototropism. The stimulus for phototropism is a IAA hormone that is present at the tip of the stem and is responsible for bending towards light. When the tip of stem is cut, the decapitated plant does not bend towards light because of lack of IAA at the tip.
Thus, the correct answer is option A.
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