Human Health and Diseases Question 82
82. Vaccines are
[1999]
(a) treated bacteria or viruses or one of their proteins
(b) $MHC$ (major histocompatibility complex) proteins
(c) curative medicines
(d) monoclonal antibodies
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Answer : a
Hints & Solutions
(a) Vaccine contains dead, attenuated form or antigen of a pathogen which can be injected to provide immunity towards that pathogen. Monoclonal antibodies are homogenous immunological reagents of defined specificity, so that these can be utilized for diagnosis and screening with certainty.
