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प्रश्न
Fill in the Blank
A plasmolysed cell has __________ protoplast.
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उत्तर
A plasmolysed cell has Shrunken protoplast.
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संबंधित प्रश्न
When placed in a more concentrated solution, the cell contents will ______.
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
Addition of salt to pickles prevents growth of bacteria because they turn turgid.
Distinguish between the following:
Turgor pressure and osmotic pressure
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Choose the correct answer:
If a marine plant is transferred to fresh water, it bursts due to ___________
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
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.
The beaker is divided into two chambers A and B. The big circle represents solute and the small circles solvent.
(i) What can you say about the size of the holes in the membrane, if it is to behave semi- permeably between these two?
(ii) Will the solvent molecules pass through the membrane from left to right, from right to left, in either direction or in both directions?
(iii) In which direction will there be a net movement of solvent molecules?
Fill in the Blank
Raisin swells up when kept in a __________ solution.
