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प्रश्न
Define the following term:
Osmotic Pressure
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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
Give reason for the following:
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Distinguish between the following:
Filtration and diffusion
Name the following:
Movement of molecules from a region of high concentration to a region of low concentration.
Two potato cubes each 1 cm3 in size, were placed separately in two containers (A and B), the container A having water and the other (B) containing concentrated sugar solution. After 24 hours when the cubes were examined, those placed in water were found to be firm and had increased slightly in size and those placed in concentrated sugar solution were found to be soft and somewhat decreased in size. Use the above information to answer the questions that follow:
Name and define the physical process being investigated in this experiment.
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Redraw in the space provided, the diagram of the cell if it is soon placed in ordinary water for some time.
What do you mean by transpiration pull ?
Give Reasons for the following.
Drops of water on a leaf of plant like peepal does not enter the leaf by osmosis?
Give Technical Term for the following.
A solution whose concentration is equal to the cell sap.
Fill in the Blank
A plasmolysed cell has __________ protoplast.
