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Match List-I with List-II.
Column I
- A. Cytokine barriers
- B. Cellular barriers
- C. Physiological barriers
- D. Physical barriers
Column II
- I. Mucus coating of respiratory tract
- II. Interferons
- III. Neutrophils and Macrophages
- IV. Tears and Saliva
Correct answer: A → II, B → III, C → IV, D → I
Detailed Solution
Cytokine barriers are exemplified by Interferons (A-II); Cellular barriers are exemplified by Neutrophils and Macrophages (B-III); Physiological barriers are exemplified by Tears and Saliva (C-IV); Physical barriers are exemplified by the mucus coating of the respiratory tract (D-I).