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 not an environmental problem?

    A)  Wastage of water

    B)  Conservation of water

    C)  Deforestation

    D)  Land erosion

    Correct Answer: B

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