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Question

The movement of plant part in the direction of light is:


A

Geotropism

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B

Phototropism

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C

Hydrotropism

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D

All of these

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Solution

The correct option is B

Phototropism


Phototrophic movement is the response of plants towards light.

Positive phototropism: If the plant part moves towards the light, it is called positive phototropism.

Negative phototropism: If the plant part moves away from the light, it is called negative phototropism.

Geotropism: The growth of the parts of plants in response to the force of gravity.

Hydrotropism: The growth of the parts of plants towards moisture.


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