Lacking of $B$-cells and $T$-cells is known as
Toxigenicity
Autoimmunity
Cytotoxins
Immune deficiency
The term ’active immunity' means
"Graveyard of $RBCs$''
Why is mother's milk considered the most appropriate food for a new born infant ?
$MALT$ constitutes about _______ percent of the lymphoid tissue in human body.
Identify the wrong statement with reference to immunity.