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प्रश्न
Give Reasons for the following.
The raisins swell up in the water.
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उत्तर
The raisins are dry grapes. When these are kept in water, it enters into the raisins by osmosis (endosmosis) and raisins swell up.
संबंधित प्रश्न
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
The most appropriate characteristic of a semipermeable membrane is that
(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.
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypotonic salt solution
Define the following:
Hypertonic solution
Name the following:
Two solutions having same concentrations.
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
Give Technical Term for the following.
The condition in which the water from a cell is completely removed due to exosmosis and no more shrinkage is possible.
Name the following:
The pressure through which water can rise upto some feet.
