BHU PMT BHU PMT (Screening) Solved Paper-2006

  • question_answer
    In plants, water supply is due to :

    A)  osmosis                              

    B)  imbibition

    C)  guttation                           

    D)  adhesion force

    Correct Answer: D

    Solution :

                     Diffusion of water from its pure state or dilute solution into a solution or stronger solution when the two are separated by a semipermeable membrane is termed as osmosis. In plants water supply is due to osmosis. The absorption of water by the solid particles of an adsorbant without forming a solution is called imbibition. The loss of water in the form of liquid droplets from the leaves and other parts of an uninjured or intact plant is called guttation.


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