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CBSE - X - Biology - Control and Coordination

How is movement of leaves of touch-me-not plant and growth of stem towards light differs?

Asked by tanaya saha 13th August 2012, 8:57 PM
Answered by Expert


Movement of leaves of touch-me-not plant is a nastic movement whereas growth of stem towards light is a tropic movement. The growth of stem is a direction based movement i.e. it grows towards the stimulus of light. However the leaves of touch-me-not fold up and droop in response to the stimulus but this does not happen in any particular direction and is not dependent on the position of the stimulus.
Answered by Expert 14th August 2012, 8:26 AM

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