Question

Choose the correct answers from the alternatives given.
When a cell is kept in a 0.5 M solution of sucrose, its volume does not alter. If the same cell is placed in 0.5 M solution of sodium chloride its volume

• A. Increases
• B. Decreases
• C. Does not show any change
• D. None of these

Answer 1

The correct option is B Decreases

The osmotic concentration of cell sap and sucrose solution are almost equal. Due to this, there is no net movement of water. Such solutions are called isotonic solutions. But when the same cell is placed in a sodium chloride solution (hypertonic), the volume of cell sap decreases due to exosmosis. There is net movement from inside to outside due to the movement of the ions.

Hence, the correct answer is 'Decreases'.