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

7th Class Science Sample Paper Science Olympiad Model Test Paper-2

  • question_answer
    Which one of the following materials causes soil pollution when dumped?

    A) Polythene bags

    B) Plastics

    C) Metals

    D) All of these

    E) None of these

    Correct Answer: D

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