Which is incorrect pair on basis of its role in immune system?
Interferons- secreted by virus infected cell which protect non-infected cells from further viral infection.
$B$ -cell - produce on army of antibodies against pathways.
Marcophases- mucous secreting cells which destroy pathogens.
$IgA$ - present in initial days of lactation to protect the infant.
When an organ is transplanted and is rejected by the body, the lymphocytes are produced by
The thymus is a lobed organ located near the $...A...$ and beneath the $...B... $ The most appropriate combination for $\mathrm{A}$ and $\mathrm{B}$ is
Assertion : Organ transplantation patients are given immunosuppressive drugs.
Reason : Transplanted tissue has antigens which stimulate the specific immune response of the recipient.
Assertion : Interferons are a type of'antibodies produced by body cells infected by bacteria.
Reason : Interferons stimulate inflammation at the site of injury.
Lymphocytes are seen in large numbers at sites of inflammation because