Question

what happens when an empty potato cup is kept in a trough with water? why?

Answer 1

 water enters the potato as a result of osmosis. Since the medium surrounding the cell has a higher water concentration than the cell, the water moves inside by osmosis. Hence, water gathers in the hollowed portions of the potato cup.

Answer 2

Let me give this a try;

• When the potato cap is placed in a tough with water, the potato cap will gradually be filled with water.
• This is because the potato cap possesses the semi permeable membrane which allows for passage of water through osmosis.
• The potato may continuously absorb water, swell and becomes turgid this is due to the movement of solvent molecules from a region of higher concentration to a region of lower concentration across the semi permeable membrane.