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प्रश्न
Give the appropriate biological or technical term for the following.
Movement of molecules of a substance from their higher concentration to lower concentration when they are in direct contact.
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उत्तर
Diffusion
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संबंधित प्रश्न
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
Define the following:
Hypertonic solution
Distinguish between the following:
Turgor pressure and osmotic pressure
Name the following:
Condition of cell in which the cell contents are shrunken.
Explain why:
Bacteria and fungi do not grow in pickles, jams, jellies and squashes.
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
What is the significance of diffusion?
The apparatus arranged here signifies an important process.
(i) Name the process.
(ii) Where does this process occur in plants?
(iii) What solution is placed inside the dialysis tubing?
(iv) What happens to the level of the solution in the capillary tube?
(v) Define the process mentioned in Q. (i) above.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
The given statement is incorrect. Rewrite the correct statement:
Fresh water fish when placed in hypertonic salt solution absorb water and burst.
