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5th Class Science Sample Paper Science Sample Paper-2

  • question_answer
    Clotting or coagulation of blood is a process in which damaged wall of blood vessels is covered by platelets and form blood clots to stop bleeding. Which one of the following vitamins is required for clotting of blood?           

    A) Vitamin K    

    B) Vitamin C    

    C) Vitamin \[{{B}_{6}}\]   

    D)        All of these

    E) None of these

    Correct Answer: A

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