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Question

What is hydrotropism in plants?


A

Movement in response to light

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B

Movement in response to water

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C

Movement in response to gravity

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D

None of these

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Solution

The correct option is B

Movement in response to water


Movement of plants in response to water or moisture is called hydrotropism. Here, water is a stimulus to which the plant can show two responses:
i) It can move towards the water source - positive hydrotropism.
ii) It can move away from water source - negative hydrotropism.


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