Precipitation & agglutination are caused by:: (A) IgG and IgM, (B) IgM and IgG, (C) IgM and IgA, (D) IgD and IgA
Answer is A. Ans. A. IgG and IgMPrecipitation occurs with IgG when the antigen is soluble while agglutination occurs with IgM when the antigen is particulate/insoluble