‘Second line of defence' is known as
Antibodies
WBC
Liver
Blood
What are recombinant $DNA$ vaccines ? Give two examples of such vaccines. Discuss their advantages.
Immunity tolerance developed by
The term ’active immunity' means
Antibodies are produced by
Given below are two statements :
Statement $I:$Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.
Statement $II:$Rheumatoid arthritis is a condition where body does not attack self cells.
In the light of the above statements, choose the most appropriate answer from the options given below: