AMU Medical AMU Solved Paper-2014

  • question_answer
    When the concentration of the solutes is low in plant cell, absorption of water is

    A)  retarded            

    B)  increased

    C)  normal                

    D)  absent

    Correct Answer: A

    Solution :

                    The movement of water across semipermenlly membrane, plays main role in absorption of water by cells. When the concentration of solutes is low in cells compared to its surrounding solution, exosmosis takes place. Due to low osmotic concentration of cell sap, compared to outer solution, water of cell sap diffuses out through to no plast. As a result cutup Plasm shrinks and leaves the cell wall. The cell is called plasmoiysed in this case.


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