Epidemiology deals with the study of
Mode of transmission of diseases
Disease causing organisms
Development of resistance against diseases
Skin ailments
The smallest virus one, which causes
From unripe opium fruit, the opium is extracted. From this which one of following groups of narcotic drugs are also prepared
Quinine used for treatment of malarial fever, is extracted form
Incubation period in case of malarial parasite is
It is hallucinogenic plant.