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प्रश्न
Define the following term:
Tonicity
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उत्तर
The relative concentration of the solutions that determines the direction and extent of diffusion is called tonicity.
संबंधित प्रश्न
(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 two examples of turgor movements in plants.
Distinguish between the following:
Turgor pressure and osmotic pressure
Name the following:
Condition of cell in which the cell contents are shrunken.
Differentiate between the following
Endosmosis and Exosmosis
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 Blanks
Diffusion is the movement of molecules from a region of their ________ concentration to the region of their ________ concentration.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The plasma membrane permits the passage of all solutes and water.
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
Explain the Term:
Osmosis
