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प्रश्न
Explain the Term: Diffusion
उत्तर
Diffusion: It is the movement of molecules of solid, liquid, or gas from their higher concentration area to their lower concentration area.
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संबंधित प्रश्न
Osmosis and diffusion are the same except that osmosis there is:
When placed in a more concentrated solution, the cell contents will ______.
Mention whether the following statement is true or false. Correct the false statement by altering the last word only.
The shrinkage of protoplasm, when a cell is kept in hypotonic solution.
Name the following:
Condition of cell in which the cell contents are shrunken.
Name the following:
The inward movement of solvent molecules through the plasma membrane of the cell.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
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 a diagrammatic representation of plasmolysis in a cell.
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?
