CET Karnataka Medical CET - Karnataka Medical Solved Paper-2010

  • question_answer
    Which one of the following is a driving force for the process of passive absorption of water in roots?

    A)  Activity of aquaporins

    B)  Transpiration in leaves

    C)  The increase in imbibitional of pressure in root cells

    D)  Root pressure

    Correct Answer: B

    Solution :

    Loss of water by transpiration through leaves results in development of highly negative water potential in leaf cells or a suction force called transpiration pull. This helps in passive absorption of water by roots.


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