Question

the leaves of mimosa on touching become flaccid and drops down due to

Answer 1

On touching leaves of mimosa droops it has pad like swellings on its base called pulvini loses water. When we touch the leaf a electrical impulse is travel through cells of leaf and send the water on other side of leaf and so leaf is droop and after 15 to 20 min it opens up.

Answer 2

Explanation:

When the Mimosa pudica, commonly known as the sensitive plant, is touched by another organism, its leaves fold in upon themselves and its stems droop.