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प्रश्न
Distinguish between the following:
Turgor pressure and osmotic pressure
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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 . |
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संबंधित प्रश्न
Osmosis and diffusion are the same except that osmosis there is:
The following diagram represents a plant cell after being placed in a strong sugar solution.
Guidelines 1 to 5 indicate the following
(1)Cell wall, (2) Strong sugar solution, (3) Protoplasm (4) Large vacuole, (5) Nucleus
(1)What is the state of the cell shown in the cell shown in the diagram?
(2)Name the structure which acts as a selectively permeable membrane.
(3)If the cell had been placed in distilled water instead of strong sugar solution, which feature would not have been seen?
(4)Name any one feature of this plant cell which is not present in an animal cell.
Distinguish between the following:
Filtration and diffusion
Mention whether the following statement is true (T) or false (F) and give explanation in support of your answer.
Plasmolysis is reverse of deplasmolysis.
What is the water potential?
Give Reasons for the following.
We gargle with saline water in case of throat infection.
Give Reasons for the following.
Freshwater fish cannot survive in seawater.
Give a diagrammatic representation of plasmolysis in a cell.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Osmosis is defined as the movement of water from a concentrated sugar solution to a dilute sugar solution.
Explain the term:
Plasmolysis
