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

4th Class Science Sample Paper Science Olympiad Model Test Paper-12

  • question_answer
    Obsidian is a/an:

    A) Igneous rock

    B) Sedimentary rock

    C) Metamorphic rock

    D) Another name of quartzite

    E) None of these

    Correct Answer: A

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