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प्रश्न
Explain the Term:
Osmosis
Explain the term osmosis.
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उत्तर
Osmosis is a special type of diffusion which involves the movement of solvent molecules from a region of their higher concentration to their lower concentration.
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.
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A&B), the container (A) having water and the other (B) containing concentrated sugar solution. After 24 hours when the cubes were examined, those placed in water were found to be firm and had increased slightly in size and those placed in concentrated sugar solution were found to be soft and had somewhat decreased in size. Use the above information to answer the questions that follow:
Account for the firmness and increase in the size of the potato cubes placed in water.
Distinguish between the following:
Hypotonic and Hypertonic solutions
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
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.
Explain the term:
Plasmolysis
When a cell in solution shrinks and loses its shape, then the solution is ______.
