The closing and opening of the leaves of Mimosa pudica is due to

Options

A. thermonastic movement
B. hydrotropic movement
C. seismonastic movement
D. chemonastic movement

Answer

C

Explanation

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 travels at the speed of 1 cm/sec