The term ’active immunity' means
Resistance developed after disease
Resistance developed before disease
Resistance rate of heart beat
Increasing quantity of blood
For an organ transplant, it is an advantage to have an identical twin. Why ?
Myasthenia gravis is due to
When an organ is transplanted and is rejected by the body, the lymphocytes are produced by
Given below the diagrammatic representation of lymph nodes
Label $A, B$ and $C$
Assertion : Interferons are a type of'antibodies produced by body cells infected by bacteria.
Reason : Interferons stimulate inflammation at the site of injury.