Question

    Phenyl mercuric acetate (PMA) is a ______ of

    antitranspirant.  
    A Stomata closing type Correct Answer Incorrect Answer
    B Film forming type Correct Answer Incorrect Answer
    C Reflection type Correct Answer Incorrect Answer
    D Growth retardants Correct Answer Incorrect Answer

    Solution

    Phenyl mercuric acetate (PMA) and atrazine at low concentration are stomata closing type antitranspirant.

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