Advertisements
Advertisements
प्रश्न
Explain why:
The leaves of wilted lettuce, if kept in cold water, become crisp.
Advertisements
उत्तर
The leaves of the wilted lettuce become crisp when kept in cold water because they take up water due to endosmosis in hypotonic solution.
APPEARS IN
संबंधित प्रश्न
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Distinguish between the following:
Plasmolysis and deplasmolysis
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
Differentiate between the following
Endosmosis and Exosmosis
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.
Name the following:
Condition of cell in which the cell content are shrunken.
Multiple Choice Question:
Plasma membrane controls:
When a cell in solution shrinks and loses its shape, then the solution is ______.
