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  3. BHU PMT

BHU PMT BHU PMT Solved Paper-2002

  • question_answer
    A dental disease, characterised by molting of teeth is due to which of the following chemical element in drinking water ?

    A) Mercury                                              

    B) Chlorine

    C)  Fluorine                                             

    D)  Boron

    Correct Answer: C

    Solution :

     Excess fluorides in drinking water causes a disorder known as fluorosis, it is characterized by mottling of teeth and weakness of bones. Excess of mercury causes minamata disease, common in Japan.


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