Advertisements
Advertisements
प्रश्न
Give Reasons for the following.
We gargle with saline water in case of throat infection.
Advertisements
उत्तर
The salt solution (saline water) is hypertonic and when we gargle with it, comes in contact of infection causing bacteria in the throat. The water present in the bacterial cell comes out causing plasmolysis and they get killed giving us relief from infection.
APPEARS IN
संबंधित प्रश्न
Differentiate between the following pairs on the basis of what is indicated in the brackets.
Hypotonic solution and Hypertonic solution [condition of a plant cell when placed in them]
The space between the cell wall and plasma membrane in a plasmolysed cell is filled with ______.
Name the following:
The condition of a cell placed in a hypotonic solution.
Name the following:
The inward movement of solvent molecules through the plasma membrane of the cell.
What is the significance of diffusion?
Give Reasons for the following.
Plants begin to die when the excess of soluble fertilizers are added to the soil?
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.
Multiple Choice Question:
In the process of osmosis in a cell:
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
Explain the Term: Exosmosis
