Shock movement in 'touch-me-not' plant is

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(A) Seismonastic movement is a type of nastic movement. It occurs in response to touch or mechanical shock,and this phenomenon is known as seismonasty

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Seismonasty

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(A) Seismonastic movement is a type of nastic movement. It occurs in response to touch or mechanical shock,and this phenomenon is known as seismonasty. For example,the leaflets of $Mimosa$ $pudica$ (touch-me-not plant) fold inward when touched.The nastic movements in response to light,chemicals,and temperature are called photonastic,chemonastic,and thermonastic movements,respectively.

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