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Define tropism?and types |
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Answer» The directional movement of plant in response to external stimulus in which the direction of stumuli is determined by the direction of movemnt of plant part....known as trpoic movement The growth of the plant with respect to external factor that is stimulus...called as tropism..Types are ....1 . Phototropism 2 . Geotropism 3 . Chemotropism 4 . Hydrotropism 5. Thigmotropism. |
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