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

4th Class Science Sample Paper Science Olympiad Model Test Paper-10

  • question_answer
    Which layer of soil contains humus?

    A) A Horizon  

    B) B Horizon

    C) C Horizon         

    D) D Horizon

    E) None of these

    Correct Answer: A

    Solution :

    Not Available              


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