Match the following columns:
Column-$I$Column-$II$
$1.$ Saliva and tears$a.$ Cytokine barrier
$2.$ Mucus coating$b.$ Cellular barrier
$3.$ $PMNL$$c.$ Physiological barrier
$4.$ Interferons$d.$ Physical barrier

  • A
    $1-c, 2-d, 3-b, 4-a$
  • B
    $1-d, 2-c, 3-b, 4-a$
  • C
    $1-c, 2-d, 3-a, 4-b$
  • D
    $1-b, 2-c, 3-d, 4-a$

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Similar Questions

Match the columns:
Column-$I$ Column-$II$
$(a)$ Main lymphoid organ $(1)$ Thymus
$(b)$ $MALT$ $(2)$ Spleen
$(c)$ Lobe-like organ arranged near heart $(3)$ Bone marrow
$(d)$ Large bean-shaped organ $(4)$ It constitutes $50\%$ of lymphoid tissue

Which of the following provides passive immunity?
$i$. Colostrum
$ii$. Antibodies against rabies pathogens
$iii$. After recovery from measles
$iv$. Polio vaccine

How many heavy polypeptide chains are present in each antibody molecule?

The figure given below shows an antibody molecule. Name the parts $A, B$ and $C$.

Which cells are involved in the immune response?

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