Question

definitions of cell wall

Answer 1

Cell wall is a non living, rigid and outermost layer and extra covering for the plasma membrane in Bacteria, Fungi, Algae, and Plants.

Functions of cell wall
1) Gives shape to the cell
2) protects the cell from mechanical damage and infection
3) also helps in cell to cell interaction
4) provides barrier to undesirable molecules.

Answer 2

cell wall is present only in plants. It provides extra strength to cell. It protects the cell. cell wall is made up of cellulose

hope it helps