Match the columns: Column-I Column-II | vedclass

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Question

(A) The correct matching is as follows:$(a)$ Physical barrier: The skin on our body is the main barrier which prevents the entry of microorganisms. Th

Vedclass · Accepted Answer

$a-1, b-4, c-3, d-2$

Vedclass · Answer

(A) The correct matching is as follows:$(a)$ Physical barrier: The skin on our body is the main barrier which prevents the entry of microorganisms. Thus,$(a-1)$.$(b)$ Physiological barrier: Acid in the stomach,saliva in the mouth,and tears from eyes prevent microbial growth. Thus,$(b-4)$.$(c)$ Cellular barrier: Certain types of leukocytes (WBCs) like polymorphonuclear leukocytes ($PMNL$-neutrophils) and monocytes and macrophages in blood and tissues can phagocytose and destroy microbes. Thus,$(c-3)$.$(d)$ Cytokine barrier: Virus-infected cells secrete proteins called interferons which protect non-infected cells from further viral infection. Thus,$(d-2)$.Therefore,the correct sequence is $(a-1, b-4, c-3, d-2)$.

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

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

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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