2. Sample Papers
  3. Railways
  4. General Science & Technology
  5. Pollution of Air and Water

Railways General Science & Technology Pollution of Air and Water Sample Paper Water Pollution Sample Test Paper-21

  • question_answer
    Fluoride pollution mainly affects:

    A)  Kidney 

    B)  Brain

    C)  Heart  

    D)  Teeth

    Correct Answer: D

    Solution :

     Fluoride pollution causes dental fluorosis.


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