Which of the following is not a component of | vedclass

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(A) Innate immunity is non-specific type of defense that is present at the time of birth. It consists of four types of barriers: $1$. Physical barrier

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Antibody

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(A) Innate immunity is non-specific type of defense that is present at the time of birth. It consists of four types of barriers: $1$. Physical barriers (e.g.,skin,mucus coating). $2$. Physiological barriers (e.g.,acid in stomach,saliva,tears). $3$. Cellular barriers (e.g.,phagocytic cells like $PMNL$-neutrophils and monocytes). $4$. Cytokine barriers (e.g.,interferons). Antibodies are a part of acquired (adaptive) immunity,which is specific and developed after exposure to antigens. Therefore,antibodies are not a component of innate immunity.

List-$I$	List-$II$
$(a)$ Antibody	$(i)$ Cell-mediated immunity
$(b)$ $B$-lymphocytes	$(ii)$ Humoral immune response
$(c)$ $T$-lymphocytes	$(iii)$ $H_2L_2$
$(d)$ $T$-cells help $B$ cells to produce them	$(iv)$ Army of proteins

Which of the following is not a component of innate immunity?

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Match List-$I$ with List-$II$:

List-$I$ List-$II$

$(a)$ Antibody $(i)$ Cell-mediated immunity

$(b)$ $B$-lymphocytes $(ii)$ Humoral immune response

$(c)$ $T$-lymphocytes $(iii)$ $H_2L_2$

$(d)$ $T$-cells help $B$ cells to produce them $(iv)$ Army of proteins

Which lymphoid organ shows a reduction in size with increasing age?

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