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प्रश्न
Name the following:
The process by which raisins swell up when placed in a beaker of water.
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उत्तर
Osmosis
APPEARS IN
संबंधित प्रश्न
The following diagram represents a plant cell after being placed in a strong sugar solution.
Guidelines 1 to 5 indicate the following
(1)Cell wall, (2) Strong sugar solution, (3) Protoplasm (4) Large vacuole, (5) Nucleus
(1)What is the state of the cell shown in the cell shown in the diagram?
(2)Name the structure which acts as a selectively permeable membrane.
(3)If the cell had been placed in distilled water instead of strong sugar solution, which feature would not have been seen?
(4)Name any one feature of this plant cell which is not present in an animal cell.
Distinguish between the following:
Turgor pressure and osmotic pressure
Explain why:
The leaves of wilted lettuce, if kept in cold water, become crisp.
Give Reasons for the following.
The raisins swell up in the water.
Differentiate between:
Osmosis and Diffusion
The apparatus arranged here signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
(v) Define the process mentioned in Q. (i) above.
Given below is the figure of an experimental set up to demonstrate root pressure.
(i) Define root pressure.
(ii) What change would you observe in the water level after some time?
(iii) What role is being played by the root pressure in the given experiment?
(iv) Why the oil has been sprinkled on water?
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
Multiple Choice Question:
Osmosis involves:
Define the following term:
Tonicity
