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A tendril coiling around a support after touching it is an example of what?

Answer and explanation

Correct answer: Thigmotropism

Thigmotropism is directional growth caused by contact or touch. When one side of a tendril touches a support, unequal growth makes it curve and coil around that support, so option A is correct. Phototropism is guided by light, hydrotropism by water, and geotropism by gravity. The essential stimulus in this example is physical contact with the support.

Related tags

Control CoordinationThigmotropismTendrilsControl And CoordinationWorld Of LivingScienceClass 10 Mcq

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