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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
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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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संबंधित प्रश्न
Water passes into a root by the process called ____________.
Osmosis occurs through a _________ membrane.
Define the term:
Osmosis
With the help of a diagram, explain osmosis in plant cells.
Study the experimental setup in the figure and then answer the questions that follow.
- What phenomenon is being studied by this setup?
- Explain the phenomenon mentioned in (a) above.
- What is meant by 'semipermeable membrane'?
- What will you observe in the set-up after about half an hour? Give a reason for your answer.
Water enters into the root hair cell through the ______ membrane.
In order to avoid water loss, sharks make their blood ______ to surrounding marine water.
In the potato osmoscope experiment, what process will take place if the position of sugar solution and colored pure water is interchanged? Answer with respect to solution in potato cavity.
Mention whether the following statement is true (T) or false (F) and give an explanation in support of your answer.
Raisins, when submerged in water, swell up due to endosmosis.
