Plant Growth and DevelopmentHard
Question
The closing and openting of the leaves of Mimosa pudica is due to
Options
A.thermonastic movement
B.hydrotropic movement
C.seismonastic movement
D.chemonastic movement
Solution
Seismonastic movements are nastic movements of turgor in response to stimulus of shock (like touch / mechanical/electrical/ thermal/chemical shock). On touching Mimosa pudica, its leaves droop down and the stimulus traves at the speed of 1 cm/ sec.
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