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प्रश्न
Give Technical Term for the following.
The pressure which is responsible for the movement of water molecules across the cortical cells of the root.
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उत्तर
Osmotic pressure
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संबंधित प्रश्न
Complete the following statements:
Hypotonic solution is one in which the solution kept outside the cell has lower solute concentration than ……………… the cell.
Differentiate between the following:
Plasmolysis and deplasmolysis
Define the following:
Diffusion
Define the following:
Hypertonic solution
Distinguish between the following:
Plasmolysis and deplasmolysis
Give Reasons for the following.
On sprinkling common salt on grass growing in a lawn, the grass is killed.
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?
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.
The given statement is incorrect. Rewrite the correct statement:
Fresh water fish when placed in hypertonic salt solution absorb water and burst.
