Question

The reason behind the change in shape of plant cell in response to stimulus is ______.

Options

• Chemical changes

• Electrical impulses

• Change in amount of water in the cells

• Change in the shape of specialised proteins

Answer 1

The reason behind the change in shape of plant cell in response to stimulus is change in amount of water in the cells.

Explanation:

This occurs during rapid movements like the folding of Mimosa leaves. Cells quickly lose or gain water through osmosis, changing their turgor pressure and swelling or shrinking to shift the leaf's position.