Manipal Medical Manipal Medical Solved Paper-2009

  • question_answer
    RBC and a plant cell (with thick cell wall) are placed in distilled water.  The solute concentration is.the same in both the cells. What changes would be observed in them?

    A)  Both plant cell and RBC would not undergo any change. 

    B)  The RBC would increase in size and burst while the plant cell would remain about the same size.           

    C)  The plant cell would increase in size and burst while the RBC would remain about the same size.

    D)  Both plant cell and RBC would decrease in size and collapse.

    Correct Answer: B

    Solution :

     When RBC and a plant cell are placed in distilled water, endosmosis takes place in RBC as a result of which RBC would increase in size and burst while the plant cell would remain about the same size because endosmosis is stopped due to the presence of rigid cell wall.


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