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

4th Class Social Science Sample Paper Social Studies - Sample Test Paper-3

  • question_answer
    To produce hydropower ______are constructed across the rivers. (Fill in the gap.)

    A)  canals 

    B)  watersheds

    C)  dams   

    D)  Persian wheels

    E)  None of these

    Correct Answer: C

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