Which of the following statements illustrates osmosis? *
Movement of perfume molecules through the air in a room
Pollen dust in random motion in water
2 point
Movement of water molecules across a cellophane membrane into a concentrated
glucose solution
Movement of food colouring molecules in a dilute aqueous solution



Answer :

Final answer:

Osmosis is the movement of water through a semipermeable membrane based on concentration gradients. The movement of water molecules across a cellophane membrane into a concentrated glucose solution is an example of osmosis.


Explanation:

Osmosis is the movement of free water molecules through a semipermeable membrane according to the water's concentration gradient across the membrane, which is inversely proportional to the solutes' concentration. It is different from diffusion as it specifically transports only water across a membrane. For example, the movement of water molecules across a cellophane membrane into a concentrated glucose solution illustrates osmosis.


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