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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.
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.
Movement of water occurs from a _______ solution into a _________ solution in osmosis.
Why do raisins (dried grapes) swell when kept soaked in water?
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.
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.
