Question 6
Cell and Its EnvironmentWhen a spirogyra filament is placed in a concentrated salt solution for 30 minutes, the cell would become
- A.plasmolysed.
- B.turgid.
- C.shortened.
- D.elongated.
Show the answer and explanation
Answer: A (plasmolysed.)
Explanation
The salt solution is more concentrated than the cell sap, so water leaves the cells by osmosis. The cytoplasm shrinks away from the cell wall: the cells are plasmolysed.