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प्रश्न
Osmosis takes place when there is ______.
विकल्प
A freely permeable membrane
A cell wall
A selectively permeable membrane
An impermeable membrane
उत्तर
Osmosis takes place when there is a selectively permeable membrane.
Explanation:
On a semipermeable membrane, osmosis is the flow of solvent molecules along a concentration gradient. Solute molecules cannot pass over this membrane.
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