Microbiology is study of tiny living organisms which are invisible to the naked eye. At present, microbiology is regarded as the most important branches of biotechnology and the fastest growing field in science. It’s been a long time since, people were aware of what microbiology was and what were the adverse as well as beneficial effects of microorganisms. This is exactly why a number of diseases and their causes weren’t understood and they couldn’t be cured. However, the preconceived notion changed and these small microorganisms were given their due importance. As a matter of fact, microbiology today is the most dynamic and exciting area in biological science.