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The bending of a plant stem towards light is an example of what?

Answer and explanation

Correct answer: Phototropism

Phototropism is the directional growth of a plant part in response to light. In a stem, auxin becomes unevenly distributed and promotes greater elongation on the shaded side, so the stem bends toward the light. Therefore, option A is correct. Geotropism responds to gravity, hydrotropism to water, and chemotropism to chemicals, so those distractors describe different stimuli.

Related tags

Control CoordinationPhototropismPlant MovementControl And CoordinationWorld Of LivingScienceClass 10 Mcq

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