VMMC VMMC Medical Solved Paper-2013

  • question_answer
    Which one of the following theories for ascent of sap was proposed by an eminent Indian scientist JC Bose?

    A)  Relay pump theory

    B)  Pulsation theory

    C)  Root pressure theory

    D)  Transpiration pull theory

    Correct Answer: B

    Solution :

     Sir JC Bose proposed pulsation theory to explain the process of ascent of sap. This theory believes that the inner most cortical cells of the root absorb water from the outer side and pump the same into xylem channels.


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