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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2008

  • question_answer
    Of all the environmental factors which is the most influential in determining the rate of transpiration?

    A)  Light

    B)  Water

    C)  Relative humidity of atmosphere

    D)  Temperature

    Correct Answer: C

    Solution :

    The actual amount of water vapour present in the atmosphere is called absolute humidity. The transpiration rate is inversely proportional to the relative humidity. Relative humidity of the atmospheric air governs its vapour pressure deficit or DPD or water potential.


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