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  3. 7th Class
  4. Social Science

7th Class Social Science Sample Paper Social Studies - Sample Test Paper-10

  • question_answer
    How does the plants take nitrogen from the air?

    A)  Through the pores in their leaves

    B)  Through their stems

    C)  Bacteria, that live in the soil and roots of some plants, helps them to take it

    D)  All of these

    E)  None of these

    Correct Answer: C

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