2. Sample Papers
  3. 4th Class
  4. General Knowledge

4th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-17

  • question_answer
    Which among the following layers of atmosphere is the closest to the surface of the Earth?

    A)  Mesosphere      

    B)  Troposphere

    C)  Stratosphere                 

    D)  Thermosphere

    E)  None of these

    Correct Answer: A , B

    Solution :

       


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