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Solution


Q.

Which of the following immunoglobulins does constitute the largest percentage in human milk         [2015]
1 IgA  
2 IgG  
3 IgD  
4 IgM  

Ans.

(1)

IgA immunoglobulins are the second most abundant class of immunoglobulins, which are mainly found in sweat, tears, saliva, mucus, colostrum and gastrointestinal secretions.