2. Sample Papers
  3. 3rd Class
  4. General Knowledge

3rd Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-5

  • question_answer
    Washing clothes and cattle in rivers causes _______ pollution.

    A)  Air

    B)  Soil

    C)  Water

    D)  All of these

    E)  None of these

    Correct Answer: C

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