The set- up above is used to demonstrate

A. plasmolysis
B. osmosis
C. suction pressure
D. fermentation
E. diffusion

Correct Answer: Option D

D. fermentation

Explanation:

The alcohol (ethanol) in beer and wine is produced by the fermentation of glucose by yeast. In this experiment, a glucose solution is left to ferment. The resulting mixture is then tested for the presence of ethanol.