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7.Human Health and Disease
easy
Match the columns :
| Column - $I$ | Column - $II$ |
| $(a)$ Physical barrier | $(1)$ skin |
| $(b)$ Physiological barrier | $(2)$ interferon protein |
| $(c)$ Cellular barrier | $(3)$ leucocytes |
| $(d)$ Cytokine barrier | $(4)$ Saliva in the mouth |
Option A
Option B
Option C
Option D
Solution
$(a – 1), (b – 4), (c – 3), (d – 2)$
Standard 12
Biology
