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प्रश्न
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Plasmolysis makes the cell turgid.
विकल्प
True
False
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उत्तर
False
Correct Statement: It makes the cell flaccid
संबंधित प्रश्न
Movement of molecules of a substance from the region of their higher concentration to the region of their lower concentration without the involvement a separating membrane, is called
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.
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Distinguish between the following:
Plasmolysis and deplasmolysis
Name the following:
The pressure with which the molecules of a substance diffuse.
Name the following:
Two solutions having same concentrations.
Give Reasons for the following.
Plants growing in fertilized soil are often found to wilt if the soil is not adequately watered. Why?
The apparatus arranged here signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
(v) Define the process mentioned in Q. (i) above.
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?
During a practical exam, a plant cell in a particular solution was placed under a compound microscope. Students were told to observe the cell and name the tonicity of the solution and mention the process that occurred in the cell.
