Transport of water between cells and their environment


 
 
Concept Explanation
 

Transport of water between cells and their environment

Transport of water between cells and their environment

What will happen to an animal cell, or a plant cell placed in a sugar or salt solution in water?

  • Osmosis: When the solution of higher water concentration moves into the solution of lower water concentration through a semipermeable membrane, till the concentration on both the sides of the membrane is equal. This process is called osmosis.
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    Sample Questions
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    Question : 1

    When the cell is placed in an _________________ solution, which has exactly the same water concentration as the cell, there will be no net movement of water molecules across the cell membrane.

    Right Option : B
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    Question : 2

    In a __________________ solution, the cell will gain water by osmosis because there is a higher water concentration outside the cell.

    Right Option : A
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    Question : 3

    Which of the following are correct :

    (a) The net movement of water is into the cell, due to which the cell increases in volume, or swell up. This is called endosmosis

    (b)  In a hypotonic (dilute) solution, the cell will gain water by osmosis.

    (c)  In a hypertonic (dilute) solution, the cell will gain water by osmosis.

    Right Option : A
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