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प्रश्न
Define the following:
Osmosis
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उत्तर
Osmosis - Osmosis is the movement of solvent molecules from a region of higher concentration to a region of lower concentration through a semi-permeable membrane.
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संबंधित प्रश्न
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Give Reasons for the following.
On sprinkling common salt on grass growing in a lawn, the grass is killed.
In the figure below ‘A’ shows a cell in the normal state and ‘B’ shows the same cell after leaving it in a certain solution for a few minutes.
(i) Describe the change which has occurred in the cell as seen in B.
(ii) Give the technical term for the condition of the cell as reached in B and as it was in A.
(iii) Define the process which led to this condition.
(iv) What was the solution-isotonic, hypotonic or hypertonic, in which the cell was kept?
(v) How can the cell in B, be brought back to its original condition?
(vi) Name the parts numbered 1 to 3.
Give Technical Term for the following.
A solution whose concentration is greater than that of the cell sap.
Give Technical Term for the following.
The condition in which the water from a cell is completely removed due to exosmosis and no more shrinkage is possible.
Name the following:
Condition of cell in which the cell content are shrunken.
Define the following term:
Osmotic Pressure
