Advertisements
Advertisements
प्रश्न
Multiple Choice Question:
Marine fish when thrown under tap water bursts because of:
पर्याय
Endosmosis
Diffusion
Exosmosis
Plasmolysis
Advertisements
उत्तर
Endosmosis
संबंधित प्रश्न
Give reason for the following:
Potato cubes, when placed in water, become firm and increase in size.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
Define the following:
Diffusion
Name the following:
The process by which raisins swell up when placed in a beaker of water.
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.
Give at least three uses of water to green plants
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.
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?
Give Technical Term for the following.
Solutions which have the same osmotic pressure.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Plasmolysis makes the cell turgid.
