On which day, we celebrate ’Malaria Day'
$5^{th}$ June
$15^{th}$ August
$25^{th}$ April
$20^{th}$ September
Louse is ectoparasite of
What is secondary metabolism ?
The use of vaccines and immunisation programmes have enabled us to completely eradicate a deadly disease like
Initial stage of drug addiction is
Which virus, for the first time, was synthesised in the form of non-living crystals