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

4th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Stratosphere is a layer of:

    A) Hydrosphere      

    B) Atmosphere

    C) Lithosphere                   

    D) Both [a] and [b]

    E) None of these

    Correct Answer: B

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