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

7th Class Science Sample Paper Science Olympiad Model Test Paper-9

  • question_answer
    Which one of the following is an example of onsite sewage disposal system for human waste?

    A) Septic tank

    B) Composting pits

    C) Chemical toilets

    D) All of these

    E) None of these

    Correct Answer: D

You need to login to perform this action.
You will be redirected in 3 sec spinner