Match the column I and II and select the correct option.

Question

Professor PC Thomas Classes · Answer

(a) : Mucus coating of the epithelium lining the respiratory, gastrointestinal and urogenital tracts also help in trapping microbes entering our body is an example of physical barrier. Acid in the stomach and saliva in the mouth is an example physiological barrier. Macrophage is tissue that phagocytise and destroy microbes are cellular barrier. Interferons are the cytokine barrier that protect the non-infected cells from further viral infection.