Question

    The most widely accepted theory for ascent of sap in

    trees is
    A Capillarity Correct Answer Incorrect Answer
    B Role of atmospheric pressure Correct Answer Incorrect Answer
    C Pulsating action of living cell Correct Answer Incorrect Answer
    D Transpiration pull and cohesion theory of Dixon and Jolly Correct Answer Incorrect Answer

    Solution

    In plants, water translocation occurs via xylem tissues. Water rises due to the phenomenon of cohesion and transpiration pull theory given by Dixon and Joly. It is the widely accepted theory for the ascent of water or plant sap. 

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