Advertisements
Advertisements
प्रश्न
Define the following term:
Osmotic Pressure
Advertisements
उत्तर
Osmotic pressure is the minimum pressure that must be exerted to prevent the passage of the pure solvent into the solution when the two are separated by a semi-permeable membrane.
संबंधित प्रश्न
Differentiate between Diffusion and Osmosis (Definition)
Name the following:
The pressure with which the molecules of a substance diffuse.
Name the following:
The process by which raisins swell up when placed in a beaker of water.
Choose the correct answer:
Plasmolysis will occur when the cell is placed in a __________
Choose the correct answer:
Grapes when placed in a strong sugar solution shrink because of __________
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Comment on the nature (tonicity) of the liquid surrounding the cell.
A leaf cell of a water plant was placed in a liquid other than pond water. After sometime, it assumed a shape as shown below:
Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
A plant cell kept in a drop of water was examined under the low power magnification of a microscope, as shown:
(i) What would you do to bring this cell back to its original condition?
(ii) What scientific term is used for such condition?
(iii) Draw the same cell if it is kept in a strong sugar solution.
Fill in the Blanks
Diffusion is the movement of molecules from a region of their ________ concentration to the region of their ________ concentration.
Multiple Choice Question:
When a plant wilts, the sequence of events will be as follows:
