MICROBIOLOGY TEST BANK EXAM
QUESTIONS WITH AND ANSWERS
Which of the following is an INCORRECT pairing?
A. Fungi; cell walls
B. Protozoa; multicellular
C. Prokaryotes; no nuclei
D. Viruses; acellular parasites
E. Algae; aquatic and marine habitats - Answer-Protozoa; multicellular
The microbes commonly known as ________ are single-felled eukaryotes that are
generally motile
A. Viruses
B. Archaea
C. Protozoa
D. Fungi
E. Bacteria - Answer-Protozoa
What is the correct order for application of Koch's postulates?
I. Inoculate suspect agent into test subject and observe that subject develops disease of
interest
II. Isolate and culture suspect agent in the laboratory
III. Find suspect agent is every case of disease of interest but not in healthy hosts.
IV. Recover and isolate suspect agent from test subject. - Answer-III, II, I, IV
Which of the following scientists provided evidence in favor of the concept of
spontaneous generation?
A. Needham
B. Buchner
C. Pasteur
D. Redi
E. Spallanzani - Answer-Needham
The term _______ refers to an infection acquired in a health care setting.
A. Nosocomial
B. Spontaneous generation
C. Archaea
D. Abiogenesis
E. Bioremediation - Answer-Nosocomial
What was the first disease shown to be bacterial in origin?
A. Anthrax
B. Cholera
C. Tuberculosis
, D. Yellow Fever
E. Malaria - Answer-Anthrax
What scientist first hypothesized that gene sequences could provide new insights into
evolutionary relationships among all organisms (including microbes)?
A. Ehrlich
B. Pauling
C. Avery
D. Woese
E. Kluyver - Answer-Pauling
Which of the following individuals pioneered the use of chemicals to reduce the
incidence of infectious during surgery?
A. Semmelweis
B. Nightingale
C. Snow
D. Ehrlich
E. Lister - Answer-Lister
Which of the following statements concerning Koch's postulates is FALSE?
A. Koch's postulates involve the experimental infection of susceptible hosts
B. The suspected pathogen may not be present in all cases of the disease being
studied
C. Koch's postulates cannot be used to demonstrate the cause of all diseases
D. All of Koch's postulates must be satisfied before an organism can be shown to cause
a particular disease
E. A suspected pathogen must be able to be grown in the laboratory - Answer-The
suspected pathogen may not be present in all cases of the disease being studied
Who discovered penicillin?
A. Pasteur
B. Ehrlich
C. Kitasato
D. Fleming
E. Domagk - Answer-Fleming
All of the following were involved in developing the germ theory of disease EXCEPT
A. Pasteur
B. Koch
C. Pauling
D. Snow
E. Fracastoro - Answer-Pauling
Lous Pasteur demonstrated that fermentation to produce alcohol is caused by
A. Obligate parasites
B. Aerobes
QUESTIONS WITH AND ANSWERS
Which of the following is an INCORRECT pairing?
A. Fungi; cell walls
B. Protozoa; multicellular
C. Prokaryotes; no nuclei
D. Viruses; acellular parasites
E. Algae; aquatic and marine habitats - Answer-Protozoa; multicellular
The microbes commonly known as ________ are single-felled eukaryotes that are
generally motile
A. Viruses
B. Archaea
C. Protozoa
D. Fungi
E. Bacteria - Answer-Protozoa
What is the correct order for application of Koch's postulates?
I. Inoculate suspect agent into test subject and observe that subject develops disease of
interest
II. Isolate and culture suspect agent in the laboratory
III. Find suspect agent is every case of disease of interest but not in healthy hosts.
IV. Recover and isolate suspect agent from test subject. - Answer-III, II, I, IV
Which of the following scientists provided evidence in favor of the concept of
spontaneous generation?
A. Needham
B. Buchner
C. Pasteur
D. Redi
E. Spallanzani - Answer-Needham
The term _______ refers to an infection acquired in a health care setting.
A. Nosocomial
B. Spontaneous generation
C. Archaea
D. Abiogenesis
E. Bioremediation - Answer-Nosocomial
What was the first disease shown to be bacterial in origin?
A. Anthrax
B. Cholera
C. Tuberculosis
, D. Yellow Fever
E. Malaria - Answer-Anthrax
What scientist first hypothesized that gene sequences could provide new insights into
evolutionary relationships among all organisms (including microbes)?
A. Ehrlich
B. Pauling
C. Avery
D. Woese
E. Kluyver - Answer-Pauling
Which of the following individuals pioneered the use of chemicals to reduce the
incidence of infectious during surgery?
A. Semmelweis
B. Nightingale
C. Snow
D. Ehrlich
E. Lister - Answer-Lister
Which of the following statements concerning Koch's postulates is FALSE?
A. Koch's postulates involve the experimental infection of susceptible hosts
B. The suspected pathogen may not be present in all cases of the disease being
studied
C. Koch's postulates cannot be used to demonstrate the cause of all diseases
D. All of Koch's postulates must be satisfied before an organism can be shown to cause
a particular disease
E. A suspected pathogen must be able to be grown in the laboratory - Answer-The
suspected pathogen may not be present in all cases of the disease being studied
Who discovered penicillin?
A. Pasteur
B. Ehrlich
C. Kitasato
D. Fleming
E. Domagk - Answer-Fleming
All of the following were involved in developing the germ theory of disease EXCEPT
A. Pasteur
B. Koch
C. Pauling
D. Snow
E. Fracastoro - Answer-Pauling
Lous Pasteur demonstrated that fermentation to produce alcohol is caused by
A. Obligate parasites
B. Aerobes
