WB JEE Medical WB JEE Medical Solved Paper-2009

  • question_answer
    Pernicious anaemia results due to deficiency of

    A)  vitamin- \[{{B}_{1}}\]                                   

    B)  vitamin- A

    C)  vitamin- \[{{B}_{12}}\]                                 

    D)  iron

    Correct Answer: C

    Solution :

                    Cyanocobalamine (vitamin- \[{{B}_{12}}\]) is obtained from milk, egg, liver, fish, colon bacteria, etc. It is required for erythrocyte maturation, DNA synthesis and myelin formation. Its deficiency causes  pernicious  anaemia with  large immature,  nucleated  RBCs  devoid  of haemoglobin.


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