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  3. 4th Class
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4th Class Science Sample Paper Science Olympiad Model Test Paper-9

  • question_answer
    Which one of the following is a breathing organ of a fish?

    A) Gills     

    B) Lungs

    C) Heart               

    D) Chlorophyll

    E)  None of these

    Correct Answer: A

    Solution :

    Not Available              


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