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Chemical Coordination in Plants — Biology STD 10 — Question

ICSE BoardEnglish MediumSTD 10BiologyChemical Coordination in Plants1 Mark
Question
Define the following:
Thigmotropism
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Answer

Thigmotropism: The response of plants to the stimulus of contact with an external stimulus like touch is known as thigmotropism. For example, when the leaves of Mimosa pudica, plant are touched, they collapse and their leaflets fold together.

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