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Biology

Differentiate between Positive and negative tropism

Chemical Coordination in Plants

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Positive tropismNegative tropism
Movement of plant part towards the direction of the stimulus is called positive tropism.Movement of plant part against the direction of the stimulus is called negative tropism.
Example — Shoots show positive phototropism and grow in the direction of sunlight.Example — Roots show negative phototropism and grow against the direction of sunlight.

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