Severe Acute Respiratory Syndrome $(SARS)$
Is caused by a variant of Pneumococcus
Is caused by a variant of the common cold virus (corona virus)
Is an acute form of asthma
Affects non-vegetarians much faster than the vegetarians
$A$ : 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.
Blood circulation was discovered by
Acquired immunity is due to
The figure given below shows an antibody molecule. Name the parts $A, B$ and $C$