Question 41
Cell and Its EnvironmentA spirogyra cell was placed in solution X. After 1 minute the cell had been plasmolysed, solution X was
- A.tap water
- B.a very strong sugar solution
- C.a weak sugar solution
- D.a very weak salt solution
- E.distilled water.
Show the answer and explanation
Answer: B (a very strong sugar solution)
Explanation
A cell plasmolyses when water leaves it by osmosis into a more concentrated (hypertonic) solution, such as strong sugar solution.