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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
Multiple Choice Question:
Put a tick mark (✓) against the correct alternative in the following statement:
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Water from the soil enters the root xylem by the process.
Water passes into a root by the process called ____________.
Osmosis occurs through a _________ membrane.
Movement of water occurs from a _______ solution into a _________ solution in osmosis.
With the help of a diagram, explain osmosis in plant cells.
The pressure by which the ______ molecules tend to cross the semi-permeable membrane is called osmotic pressure.
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 ____________.
Following are a few definitions of osmosis Read carefully and select the correct definition
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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.
