Question

(a)What does a Mimosa pudica plant do in response to touch? What is this phenomenon known as?

Answer 1

●The leaves of a Mimosa pudica plant fold inwardly, in response to touch.
●The phenomenon showing the non-directional movement of a plant part in response to the touch of an object is called thigmonasty.
●The folding up of the leaves of a sensitive plant on touching is due to the sudden loss of water from pad-like swellings called ‘pulvini’ which is present at the base of all leaves of the sensitive plant.