Microbiology Vocabulary Worksheet

Fill in the blank: A medicine that kills or stops the growth of bacteria in the body is called ________.

• Antibiotic

• Analgesic

• Antacid

• Antiseptic

Fill in the blank: A method of growing microorganisms in a controlled environment for study is called ________.

• Culture

• Fermentation

• Incubation

• Sterilization

Fill in the blank: A microorganism, such as a bacterium or virus, that can cause disease is called a ________.

• Pathogen

• Antibody

• Enzyme

• Vaccine

Fill in the blank: An organism that harbors a parasite or a microorganism is called a ________.

• Host

• Vector

• Pathogen

• Carrier

Fill in the blank: A substance that helps the body develop protection against a virus, often made with a copy of the virus, is called a ________.

• Vaccine

• Antibiotic

• Hormone

• Enzyme

Fill in the blank: A tiny living thing often only seen with a microscope is called a ___________.

• Bacteria

• Rock

• Plastic

• Cloud

Fill in the blank: To make something impure or unsafe by adding harmful substances or microorganisms is to ________.

• Contaminate

• Purify

• Sterilize

• Disinfect

Fill in the blank: A tiny, non-living particle that needs to invade a cell to reproduce is called a ________.

• Virus

• Bacterium

• Fungus

• Protozoan

Fill in the blank: Reproduction by splitting into 2 separate organisms is called ________.

• Binary Fission

• Budding

• Fragmentation

• Regeneration

Fill in the blank: The body's defense system that protects against harmful invaders like microbes is called the ________.

• Immune System

• Digestive System

• Nervous System

• Respiratory System