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Growth of roots towards water is an example of which tropism?

Answer and explanation

Correct answer: Hydrotropism

Hydrotropism is the directional growth of a plant part in response to water or moisture. When roots grow toward a region containing more water, they display positive hydrotropism; therefore option A is correct. Phototropism is caused by light, geotropism by gravity, and thigmotropism by touch. Although roots also respond to gravity, the stimulus named here is water.

Related tags

Control CoordinationHydrotropismRootsControl And CoordinationWorld Of LivingScienceClass 10 Mcq

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