FUNCTIONS OF CELL WALL
1. Provides shape to plant cell rigidity to cells.
2. Functions as a barrier to entry of pathogens into the cells.
3. Provides protection to protoplasm against mechanical injury.
4. Control entry of exit of materials.
5. Functions as apoplast which is permeable to water & minerals dissolved in it.
6. Plasmodesmata produce a protoplasmic continuum between adjacent cells.
7. Bursting of cells on endomitosis.