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

    Which of the following are correct :

    (a)  In a hypotonic solution, the cell will gain water by osmosis. This is because there is a higher water concentration outside the cell.

    (b)  In a hypertonic  solution, the cell will gain water by osmosis. This is because there is a higher water concentration outside the cell.

    Right Option : A
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    Question : 2

    When the cell is immersed in a ________________________ solution, water will diffuse out of the cell by osmosis. This is because there is a low concentration of water outside the cell.

    Right Option : A
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    Question : 3

    Movement of solvent across the plasma membrane from the region of lower concentration of solute to the region of higher concentration of solute is known as ____________________

    Right Option : C
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