UPDATED ACTUAL Exam Questions and
CORRECT Answers
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
- 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