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प्रश्न
A plant cell placed in a certain solution got plasmolysed. What was the kind of solution?
विकल्प
Isotonic sugar solution
Hypotonic salt solution
Hypertonic salt solution
Isotonic salt solution
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उत्तर
Hypertonic salt solution
संबंधित प्रश्न
The highest water potential (capacity to move out higher concentrated solution) is that of ______.
The most appropriate characteristic of a semipermeable membrane is that
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Give Reasons for the following.
It is necessary to maintain a normal osmotic concentration of the blood.
Give a diagrammatic representation of plasmolysis in a cell.
The diagram given below is of an experiment just at the start. Study the diagram carefully and answer the following questions :
(i) What does the experiment demonstrate?
(ii) Define, the process demonstrated in the experiment.
(iii) What changes are observed after a few hours?
(iv) Give two examples of a semi-permeable membrane.
(v) Which limb of the U-tube contains a more concentrated sucrose solution, A or B?
(vi) Why is the membrane separating the two solutions labeled as semi-permeable membrane?
Given below is the figure of an experimental set up to demonstrate root pressure.
(i) Define root pressure.
(ii) What change would you observe in the water level after some time?
(iii) What role is being played by the root pressure in the given experiment?
(iv) Why the oil has been sprinkled on water?
Explain the Term:
Osmosis
Explain the term:
Plasmolysis
