WAEC Biology 2009 Question 6

Question 6

Cell and Its Environment

Use the diagram (a thistle funnel containing sugar solution, with a membrane tied over the funnel, standing in distilled water) to answer this question.
The experiment above is used to demonstrate the process of

Diagram for this question
  1. A.transpiration.
  2. B.water culture.
  3. C.diffusion.
  4. D.osmosis.
Show the answer and explanation

Answer: D (osmosis.)

Explanation

Water passing through a selectively permeable membrane from a dilute to a concentrated solution is osmosis.