On which day, we celebrate ’Malaria Day'
$5^{th}$ June
$15^{th}$ August
$25^{th}$ April
$20^{th}$ September
$A$ : Vaccine against $AIDS$ has not been made inspite of repeated attempts.
$R$ : $HIV$ has the ability to get mutated to form several subtypes.
An example of gene therapy is
Identify correct group for primary lymphoidorgans
Secondary metabolites such as nicotine, strychnine and caffelne are produced by plants for their :
Which one is a viral disease