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

7th Class Social Science Sample Paper Social Studies - Sample Test Paper-8

  • question_answer
     _____ is our basic life support system.

    A)  Lithosphere   

    B)         Environment

    C)  Atmosphere     

    D)  All of these

    E)  None of these

    Correct Answer: B

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