Which is the function of cell wall?
1. Provides shape to the cell.
2. Protects the cell from mechanical damage and infection.
3. Helps in cell to cell interaction.
4. Provides barrier to undesirable macromolecules.
5. Imbibes water.

A. Only 5

B. Only 4

C. 1, 4 and 5

D. All of these

Answer: Option B