Vacuoles are reservoirs in plant cells that maintain water balance.
a. true
b. false

a.True

Vacuoles are cell organelles that are found in both plant and animal cells. It is a cell storage body which increases in size with age. They store excess water present inside the plant cell and poisonous byproducts of the cellular metabolism.They store waste products and excess water so that the cell remains protected against contamination. These waste products are sent out of the plant cell.