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Similar Questions
Match List$-I$ with List$-II$ :
List$-I$ | List$-II$ |
$a$ Cellular barrier | $i$ Interferons |
$b$ Cytokine barrier | $ii$ Mucus |
$c$ Physical barrier | $iii$ Neutrophils |
$d$ Physiological barrier | $iv$ $HCl$ in gastric juice |