Why do plant cells posses large sized vacuole?

Explanation

Vacole of plant cells is olarge in size because it has to take part in fllowing activities:
1. It stores salts, sugar, amino acids, organic acids and some proteins.
2. Metabolic wastes of the cell are dumped in the vacuole.
3. Lysosomal enzymes occur in the vacuole of plant cell.
4. The vacuole contains cell sap and hrlps in maintaining turgidity of the cell.
5. Plant cell vacuole contains an osmotic concentration which is required for the peocess of osmosis through plasma membrane.