TCDHA Microbiology Midterm
Review Exam Questions with
Correct Answers New Update
(Verified A+ Pass)
What are the 4 small life forms? - CORRECT ANSWER-1. Virus
2. Bacteria
3. Fungi (molds, yeast)
4. Protozoa
5. Algae
What are the several sub-disciplines within microbiology? - CORRECT ANSWER-
1. Bacteriology
2. Mycology
3. Protozoology
4. Virology
,What is the study of Bacteria? - CORRECT ANSWER-bacteriology
What is the study of fungi? - CORRECT ANSWER-mycology
What is immunology? - CORRECT ANSWER-Knowledge of body's defense
mechanism (immune system) that adds to the understanding of disease prevention
through immunization, and the natural barriers of the body against infection
What did Girolamo Francastoro do? - CORRECT ANSWER-- recognized
existence of "tiny living particles that cause "catching" (contagious) disease
- spread by direct contact with humans, and indirect contacts with objects
What did Antoni van Leeuwenhoek do? - CORRECT ANSWER-- Used the
microscope to view live microbes which he called 'animalcules'
- Discovered bacteria
- first to see microbe
What did Edward Jenner do? - CORRECT ANSWER-- He created the small pox
vaccination from cow pox.
- credited with concept of immunization
What did Louis Pasteur do? - CORRECT ANSWER-- invented pasteurization
- saved wine industry by heating grape juice to reduce amount of bacteria
- use of heat to destroy vegetative bacteria + resistent bacterial spores
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
,- discovered bacteria produced disease such as anthrax and cholera
- created first vaccines for rabies, anthrax and cholera
What did John Tyndall do? - CORRECT ANSWER-- discovered tyndallization
- discovered need for prolonged heating to destroy bacteria
What are the 2 forms that bacteria exist? - CORRECT ANSWER-- heat stable
- heat sensitive
What is tyndallization? - CORRECT ANSWER-Prolong/ intermittent heat to
destroy heat-stable/sensitive bacteria
What did Ferdinand Cohn do? - CORRECT ANSWER-discovered endospores
What are endospores? - CORRECT ANSWER-Dormant form of bacteria w/
enhance resistance to heat, staining and disinfection
What did Joseph Lister do? - CORRECT ANSWER-Discovered role of airborne
microorganisms
Discovered that airborne mo's can be reduced w carbolic acid (phenols)
What did Christian Gram do? - CORRECT ANSWER-developed gram stain
What is gram staining? - CORRECT ANSWER-Determines differences in the cell
wall
, 2 distinct groups - gram positive and gram negative
What did Ignaz Semmelweis do? - CORRECT ANSWER-Recognized importance
of handwashing
What did Sir Alexander Fleming discover? - CORRECT ANSWER-penicillin
What did Wendell Stanley do? - CORRECT ANSWER-Developed electron
microscope
What did Robert Koch do? - CORRECT ANSWER-identified the bacterium that
causes tuberculosis, anthrax and cholera
What are prokaryotic cells? - CORRECT ANSWER-Primitive cells
NO internal membrane
NO nucleus
What is bacteria? - CORRECT ANSWER-prokaryote
What is a eukaryotic cell? - CORRECT ANSWER-Complex cells
WITH internal membranes
HAVE a nucleus
What group do protozoa, algae, fungi, plants and animals belong to? - CORRECT
ANSWER-Eukaryote
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Review Exam Questions with
Correct Answers New Update
(Verified A+ Pass)
What are the 4 small life forms? - CORRECT ANSWER-1. Virus
2. Bacteria
3. Fungi (molds, yeast)
4. Protozoa
5. Algae
What are the several sub-disciplines within microbiology? - CORRECT ANSWER-
1. Bacteriology
2. Mycology
3. Protozoology
4. Virology
,What is the study of Bacteria? - CORRECT ANSWER-bacteriology
What is the study of fungi? - CORRECT ANSWER-mycology
What is immunology? - CORRECT ANSWER-Knowledge of body's defense
mechanism (immune system) that adds to the understanding of disease prevention
through immunization, and the natural barriers of the body against infection
What did Girolamo Francastoro do? - CORRECT ANSWER-- recognized
existence of "tiny living particles that cause "catching" (contagious) disease
- spread by direct contact with humans, and indirect contacts with objects
What did Antoni van Leeuwenhoek do? - CORRECT ANSWER-- Used the
microscope to view live microbes which he called 'animalcules'
- Discovered bacteria
- first to see microbe
What did Edward Jenner do? - CORRECT ANSWER-- He created the small pox
vaccination from cow pox.
- credited with concept of immunization
What did Louis Pasteur do? - CORRECT ANSWER-- invented pasteurization
- saved wine industry by heating grape juice to reduce amount of bacteria
- use of heat to destroy vegetative bacteria + resistent bacterial spores
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
,- discovered bacteria produced disease such as anthrax and cholera
- created first vaccines for rabies, anthrax and cholera
What did John Tyndall do? - CORRECT ANSWER-- discovered tyndallization
- discovered need for prolonged heating to destroy bacteria
What are the 2 forms that bacteria exist? - CORRECT ANSWER-- heat stable
- heat sensitive
What is tyndallization? - CORRECT ANSWER-Prolong/ intermittent heat to
destroy heat-stable/sensitive bacteria
What did Ferdinand Cohn do? - CORRECT ANSWER-discovered endospores
What are endospores? - CORRECT ANSWER-Dormant form of bacteria w/
enhance resistance to heat, staining and disinfection
What did Joseph Lister do? - CORRECT ANSWER-Discovered role of airborne
microorganisms
Discovered that airborne mo's can be reduced w carbolic acid (phenols)
What did Christian Gram do? - CORRECT ANSWER-developed gram stain
What is gram staining? - CORRECT ANSWER-Determines differences in the cell
wall
, 2 distinct groups - gram positive and gram negative
What did Ignaz Semmelweis do? - CORRECT ANSWER-Recognized importance
of handwashing
What did Sir Alexander Fleming discover? - CORRECT ANSWER-penicillin
What did Wendell Stanley do? - CORRECT ANSWER-Developed electron
microscope
What did Robert Koch do? - CORRECT ANSWER-identified the bacterium that
causes tuberculosis, anthrax and cholera
What are prokaryotic cells? - CORRECT ANSWER-Primitive cells
NO internal membrane
NO nucleus
What is bacteria? - CORRECT ANSWER-prokaryote
What is a eukaryotic cell? - CORRECT ANSWER-Complex cells
WITH internal membranes
HAVE a nucleus
What group do protozoa, algae, fungi, plants and animals belong to? - CORRECT
ANSWER-Eukaryote
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
