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प्रश्न
Define the term:
Osmosis
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उत्तर
Osmosis is the movement of water molecules from their region of higher concentration (dilute solution or with a lower solute concentration) to their region of lower concentration (concentrated solution or with a higher solute concentration) through a semi-permeable membrane.
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संबंधित प्रश्न
State whether the following statement is true or false. Rewrite the false statement correctly.
Water enters the root-hair by osmosis.
Multiple choice question. Tick (✓) the correct choice:
Water from the soil enters the root xylem by the process.
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.
A membrane that allows the passage of solvent molecules but not the passage of solute molecules is called ____________ membrane.
In the elongation phase of growth, synthesis of protoplasm and increase in solute concentration result in ____________.
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.
Osmosis takes place when there is ______.
Hypotonic solution is one in which the solution kept outside the cell has ______ solute concentration than inside the cell.
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.
