What is an antigen?

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Question

(B) An antigen is a foreign molecule or substance,such as proteins,polysaccharides,or toxins,that enters the body and is recognized by the immune syst

Vedclass · Accepted Answer

$A$ foreign substance that harms the body and stimulates the production of antibodies.

Vedclass · Answer

(B) An antigen is a foreign molecule or substance,such as proteins,polysaccharides,or toxins,that enters the body and is recognized by the immune system as 'non-self'. Upon recognition,the immune system is stimulated to produce specific proteins called antibodies to neutralize or eliminate the antigen. Therefore,option $B$ is the correct definition.

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

Similar Questions

Which of the following statements is incorrect?

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

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