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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-1

  • question_answer
    Which one of the following is a type of white blood cell produced in the bone marrow?

    A)   Basophils                

    B)   Neutrophils

    C)   Acidophils                

    D)  All of these

    E)  None of these

    Correct Answer: D

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