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प्रश्न
(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.
पर्याय
True
False
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उत्तर
(a) False
(b) A plant cell placed in hypotonic solution gets turgid.
Explanation: A plant cell placed in hypertonic solution gets plasmolysed due to exosmosis and when placed in hypotonic solution gets turgid due to endosmosis.
संबंधित प्रश्न
Leaves of the sensitive plant wilt and droop down on a slight touch. What mechanism brings about this change?
Distinguish between the following:
Plasmolysis and deplasmolysis
Name the following:
Condition of cell in which the cell contents are shrunken.
Choose the correct answer:
Grapes when placed in a strong sugar solution shrink because of __________
What is the significance of diffusion?
Give Reasons for the following.
The raisins swell up in the water.
Give Reasons for the following.
Freshwater fish cannot survive in seawater.
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 a diagrammatic representation of plasmolysis in a cell.
Define the following term:
Osmotic Pressure
