NEET Sample Paper NEET Sample Test Paper-21

  • question_answer The type of immunoglobulin present in the colostrum secreted by mammary glands is               

    A)  IgA                 

    B)  IgG                

    C)    IgD               

    D)    IgE

    Correct Answer: A

    Solution :

    IgA is the predominant immunoglobulin in external secretion such as breast milk, saliva, tears and mucus of the bronchial, genitourinary and digestive tracts. Hence, the correct option is [a].

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