BACTERIOLOGY is the science and study of bacteria and their relation to medicine.
VIROLOGY is the study of viruses and virus-like agents, including (but not limited to) their taxonomy, disease-producing properties, cultivation, and genetics.
MYCOLOGY is the branch of biology concerned with fungi, including their genetic and biochemical properties.
PARASITOLOGY is the study of parasites, their hosts, and the relationship between them.
PHYCOLOGY is also called algology is the study of algae.
IMMUNOLOGY is the study of the immune system and is an essential branch of the medical and biological sciences.
BIOTECHNOLOGY AND GENETIC ENGINEERING is the use of microbiological and biochemical techniques to solve practical problems (ex: making plants resistant to insects and bacteria).
The three practical applications of microbiology are FOOD PRODUCTION, BIODEGRATION, and COMMERCIAL PRODUCT PRODUCTION.
PHYCOLOGY is sometimes called as ALGOLOGY.
BIOREMEDIATION is a type of biodegration.
BIOREMEDIATION occurs by harnessing the power of microorganisms/ microbes to clean up the contaminated site and restore ecosystem.