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SSC General Science & Technology Sample Paper NCERT Sample Paper-5

  • question_answer
    If a person is suffering from Christmas disease, then he is deficient of

    A)  Factor IX         

    B)  thrombin

    C)  vitamin-C        

    D)  homogentics acid

    Correct Answer: A

    Solution :

    [a] There are 13 factors, which cause blood clotting. Factor IX is plasma thromboplastin or Christmas factor, whose deficiency causes haemophilia-B or Christmas disease


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