NEET BIOLOGY

Detailed explanation-1: -The Cell Wall A cell wall is a rigid layer that is found outside the cell membrane and surrounds the cell. The cell wall contains not only cellulose and protein, but other polysaccharides a s well . The cell wall provides structural support and protection.

Detailed explanation-2: -Which statement about plant cells is true? A plant cell must contain both chlorophyll and a nucleus.

Detailed explanation-3: -Plant Cell Structures The cell wall is located outside the cell membrane. It consists mainly of cellulose and may also contain lignin, which makes it more rigid. The cell wall shapes, supports, and protects the cell. It prevents the cell from absorbing too much water and bursting.

Detailed explanation-4: -Supporting tissues reside generally in the periphery of plant organs. If the cells are combined in layers, tubes, whose stability is much greater than that of sticks of the same diameter are formed. The supporting tissues of ribbed or edged stems are concentrated in these ribs or edges.