Microbiology Quiz on Microorganisms

The study of microorganisms, which are tiny organisms that live in and around us.

A living thing that ingests and breaks down food for energy, excretes waste, and can reproduce.

A very small organism that you cannot see with the naked eye, only with a microscope.

A disease causing microorganism that infects humans, animals, and plants.

A microorganism that doesn't cause disease and can be beneficial.

The branch of science that studies microorganisms.

A microscopic (single-celled or cluster of cells) organism that can only be seen with a microscope.

The study of bacteria, which are prokaryotic organisms.

The study of viruses, which are submicroscopic, parasitic entities that invade cells.

The study of fungi (yeasts and molds), which are eukaryotic organisms that absorb nutrients from their external environment.

The study of algae, which are eukaryotic photosynthetic microorganisms that convert sunlight into nutrients.

The study of protozoa, which are animal-like single-celled microorganisms found in water and soil.

One-celled organisms that lack a true nucleus.

Organisms whose cells have a nucleus, cytoplasm, and organelles.

A virus that causes chickenpox.

The bacterium that causes anthrax.

The bacterium that causes Lyme disease.

The fungus that causes athlete's foot.

Microorganisms found in our intestines that help us digest food and produce vitamins.

A microorganism that lives in or on another organism and benefits by receiving food, shelter, or other resources.

The killing of harmful microorganisms in food and beverages by heating.

The theory which states that a living cell can only originate from another living cell.

The process of killing microorganisms using heat, radiation, or chemicals.

The process of killing or inhibiting the growth of microorganisms.

A substance that kills bacteria.

A protein-coated packet of genetic material that infects cells and replicates inside of them.

A system of classifying organisms based on their evolutionary relationships.

The scientific name of an organism, consisting of two parts: the genus and the specific epithet.

The largest classification group in the modern taxonomic system.

A group of organisms with similar morphological and physiological features that can reproduce together and produce fertile offspring.