Question

During osmosis, flow of water through a semi-permeable membrane is :

• A. from solution having higher concentration only
• B. from both sides of semi-permeable membrane with equal flow rates
• C. from both sides of semi-permeable membrane with unequal flow rates
• D. from solution having lower concentration only

Answer 1

Answer: (C)

from both sides of semi-permeable membrane with unequal flow rates

Answer 2

Osmosis is the movement of solvent molecules (usually water) from an area of lower solute concentration to an area of higher solute concentration through a semi-permeable membrane. The flow rate is determined by the concentration gradient, and water moves more rapidly from the side with lower solute concentration to the side with higher solute concentration.

So, the correct option is (C): from both sides of semi-permeable membrane with unequal flow rates