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If a plant root grows towards water, which response does it show?

Answer and explanation

Correct answer: Hydrotropism

A tropic movement is a directional growth response to a specific external stimulus. In this case, water or moisture is the stimulus, and the root grows toward it. Directional growth toward water is called positive hydrotropism. Phototropism is a response to light, chemotropism to chemicals, and thigmotropism to touch or contact. Therefore, the correct response is hydrotropism, option A.

Related tags

HydrotropismRootWater ResponseControl And CoordinationWorld Of LivingScienceClass 10 Mcq

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