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
    Excess fluoride in drinking water is likely to cause:

    A)  Blue baby syndrome

    B)  Fluorosis

    C)  Change in taste and odour

    D)  Intestinal irritation

    Correct Answer: B

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