The process of conversion of sugar into alcohol in the absence of oxygen is called

Carrier of malaria causing protozoan is

Who discovered vaccine for smallpox?

Cholera is caused by

The most common carrier of communicable diseases is

Plant diseases rust of wheat is caused by

Diseases anthrax caused by

Name the bacteria which promotes the formation of curd

Disease causing microbes are called

_____ kill or stop the growth of germs

_________ convert atmospheric nitrogen into plant usable form

The smallest microorganism on earth is as _____________