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प्रश्न
Differentiate between:
Osmosis and Diffusion
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उत्तर
| Osmosis | Diffusion |
| Osmosis is a special type of diffusion which involves the movement of solvent molecules from a region of their higher concentration to a region of their lower concentration through a semi-permeable membrane. | Diffusion is the movement of solute molecules or ions from a region of their higher concentration to a region of their lower concentration without the influence of a semi-permeable membrane. |
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संबंधित प्रश्न
Differentiate between Diffusion and Osmosis (Definition)
When placed in a more concentrated solution, the cell contents will ______.
(a) Mention whether the following statement is true (True) or false (False)
(b) Correct the false statement by altering the last word only.
A plant cell placed in hypotonic solution gets Plasmolysed.
Leaves of the sensitive plant wilt and droop down on a slight touch. What mechanism brings about this change?
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Name the following:
Two solutions having same concentrations.
Give a diagrammatic representation of plasmolysis in a cell.
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?
Fill in the Blank
A plasmolysed cell has __________ protoplast.
The given statement is incorrect. Rewrite the correct statement:
Fresh water fish when placed in hypertonic salt solution absorb water and burst.
