A leaf from pondweed ($Elodea$) is mounted on a microscope slide. Sodium chloride solution is then added as a drop. The leaf cells are observed using a light microscope. Which statement describes the cells seen through the microscope?
- AThe cells are plasmolysed because water has moved in by osmosis.
- BThe cells are plasmolysed because water has moved out by osmosis.
- CThe cells are turgid because water has moved in by osmosis.
- DThe cells are turgid because water has moved out by osmosis.