The spread of $AIDS$ disease is promoted by
Homosexuality
Immoral way of life
Use of infected needles in blood transfusion
All the above
Oncogene is another name for
One of the inflammatory reaction induced by histamine is
A boy happens to put his foot on a rusted nail and the doctor gives him an injection. Most likely he has given
$A$ : Live attenuated vaccine is better in terms of immunity provided to the recipient.
$R$ : As secondary lymphoid organs, example peyer's patches are stimulated to protect the individual.
Assertion : The antibodies separted from serum are homogenous.
Reason : Monoclonal antibodies are homogenous immunological reagents.