Question

Contractile vacuole in amoeba helps in:

• A. Digestion of food
• B. Storage of food
• C. Controlling functions of amoeba
• D. Regulation of water content

Answer 1

The correct option is D

Regulation of water content

Contractile vacuole in Amoeba and Paramecium help in maintaining water balance. It regulates the quantity of water inside of a cell. It acts as part of a protective mechanism that prevents the cell from absorbing too much water and makes lysing possible through excessive internal pressure.