2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-8

  • question_answer
    Which one of the following is not the example of onsite sewage disposal system for human waste?

    A) Septic Tanks

    B) Composting Pits

    C) Chemical Toilets

    D) Waste treatment Plant

    E) None of these

    Correct Answer: D

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