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
    Which of the following is-a non-point source of water pollution?

    A)  Factories

    B)  Sewage treatment plants

    C)  Urban and suburban lands

    D)  All of the above

    Correct Answer: C

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