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

7th Class Social Science Sample Paper Social Studies - Sample Test Paper-3

  • question_answer
    The complex system of interactions between the organism and their physical environment in a particular area is known as:

    A)  Biosphere     

    B)  Ecosystem

    C)  Natural environment      

    D)  Hydrosphere

    E)  None of these

    Correct Answer: B

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