Advertisements
Advertisements
प्रश्न
Distinguish between the following:
Turgor pressure and osmotic pressure
Advertisements
उत्तर
| Turgor pressure | osmotic pressure |
| In a turgid cell , the pressure of the cell contents on the cell wall is called turgor pressure . | The pressure by which the water molecules tend to cross the semi-permeable membrance is called the osmotic pressure . |
APPEARS IN
संबंधित प्रश्न
The most appropriate characteristic of a semipermeable membrane is that
Give two examples of turgor movements in plants.
Show by a series of diagrams, the change which a plant cell will undergo when placed in
Hypertonic salt solution
Choose the correct answer:
Osmosis involves diffusion of ___________
The diagram given below is of an experiment just at the start. Study the diagram carefully and answer the following questions :
(i) What does the experiment demonstrate?
(ii) Define, the process demonstrated in the experiment.
(iii) What changes are observed after a few hours?
(iv) Give two examples of a semi-permeable membrane.
(v) Which limb of the U-tube contains a more concentrated sucrose solution, A or B?
(vi) Why is the membrane separating the two solutions labeled as semi-permeable membrane?
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 Blank
The pressure which develops in the cortical cells of root which force a part of the water upward ____________.
Fill in the Blank
Raisin swells up when kept in a __________ solution.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
The plasma membrane permits the passage of all solutes and water.
During a practical exam, a plant cell in a particular solution was placed under a compound microscope. Students were told to observe the cell and name the tonicity of the solution and mention the process that occurred in the cell.
