The parasite called Plasmodium causes a disease known as :
(a) measles (b) polio (c) malaria (d) dengue
The dengue disease spread by Aedes mosquito is caused by :
(a) bacteria (b) virus (c) protozoan (d) fungus
Which of the following disease is not caused by viruses ?
(a) measles (b) smallpox (c) cholera (d) polio