Plants change their direction in response to the stimulus of light.

True

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False

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Solution

The correct option is A
True

Tropism is the growth in response to a stimulus and auxin is a plant hormone produced in the stem tips and roots which controls the direction of growth. Growth and movement of plants towards light is known as positive phototropism and movement away from sunlight is known as negative phototropism. Stem shows positive phototropism and root shows negative phototropism.

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