The following is NOT a component of innate immunity -: (A) Epithelial surfaces, (B) Antibody, (C) Lysozyme, (D) Sebum
Answer is B. Anatomical barriers include physical, chemical and biological barriers. The epithelial surfaces skin& mucous membrane, Mucus, saliva, lysozyme,Tears,flushing action of urine etc.. Ref: Ananthanarayan & Panikers textbook of microbiology 9th edition pg.no. : 79-81