Biology

The correct answer is: B.Cell Wall

Explanation:

The cell wall is a rigid outer layer that provides structural support, protection, and shape to plant cells. It is primarily made of cellulose and is found outside the cell membrane in plant cells. It acts as a protective barrier against physical damage and helps maintain the cell's shape.

Why the other options are incorrect:

A.Cell Membrane: The cell membrane is a flexible, semi-permeable barrier that surrounds all cells, both plant and animal. It controls the movement of substances in and out of the cell but does not provide the...