2. Questions Bank
  3. NEET
  4. Biology
  5. Digestion and Absorption

NEET Biology Digestion and Absorption Question Bank Dentition

  • question_answer
    A dental disease characterized by mottling of teeth is due to presence of a certain chemical element in drinking water. Which is that element?                                                                                                     (BHU 2002)

    A) Boron                           

    B) Chlorine

    C) Fluorine                        

    D) Mercury

    Correct Answer: C

    Solution :

    Excessive amount of fluorine can mottle tooth enamel and cause osteosclerosis.


You need to login to perform this action.
You will be redirected in 3 sec spinner