TEST BANK FOR MICROBIOLOGY WITH BODY
SYSTEM with perfect answers 2025/2026
Which of the following was NOT an aspect of Pasteur's experiments to disprove spontaneous
generation?
A. The necks of the flasks he used were bent into an S-shape
B. The flasks were free of microbes until they opened
C. He boiled the infusions to kill any microbes present.
D. The flasks were incubated for very long periods of time
E. The flasks he used were sealed with corks - perfect answersThe flasks he used were sealed with corks
The study of the occurrence, distribution, and spread of disease is known as:
A. Biotechnology
B. Biochemistry
C. Serology
D. Immunology
E. Epidemiology - perfect answersEpidemiology
Work by ________ laid the foundations of the field of environmental microbiology.
A. Beijerinck and Winogradsky
B. Pauling and Woese
C. Reid and Spallanzani
D. Lister and Semmelweis
E. Koch and Pasteur - perfect answersBeijerinck and Winogradsky
What must one have before designing and conducting experiments?
A. A hypothesis
B. Popular opinion
C. A theory
D. Scientific law
,E. A complete set of data - perfect answersA hypothesis
Whose search for chemicals would kill microbes without harming humans was the foundation for
chemotherapy?
A. Ehrlich
B. Koch
C. Pasteur
D. Lister
E. Gram - perfect answersEhrlich
Antoni van Leeuwenhoek was the first person in history to
A. Disprove spontaneous generation
B. Use a magnifying glass
C. View microorganisms and record these observations
D. Use the germ theory of disease
E. develop a taxonomic system - perfect answersView microorganisms and record these observations
Microorganisms characterized by the absence of a nucleus are called
A. Prokaryotes
B. Viruses
C. Pathogens
D. Fungi
E. Eukaryotes - perfect answersProkaryotes
Robert Koch was involved in research on all of the following topics EXCEPT
A. The cause of fermentation
B. The cause of anthrax
C. Techniques for isolating microbes in the laboratory
D. The cause of tuberculosis
, E. Development of a method to determine the cause of an infectious disease - perfect answersThe cause
of fermentation
The term for the use of microorganisms to restore damaged environments is
A. Epidemiology
B. Ecology
C. Serology
D. Chemotherapy
E. Bioremediation - perfect answersBioremediation
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 - perfect answersProtozoa; multicellular
The microbes commonly known as ________ are single-felled eukaryotes that are generally motile
A. Viruses
B. Archaea
C. Protozoa
D. Fungi
E. Bacteria - perfect answersProtozoa
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. - perfect answersIII, II, I, IV
SYSTEM with perfect answers 2025/2026
Which of the following was NOT an aspect of Pasteur's experiments to disprove spontaneous
generation?
A. The necks of the flasks he used were bent into an S-shape
B. The flasks were free of microbes until they opened
C. He boiled the infusions to kill any microbes present.
D. The flasks were incubated for very long periods of time
E. The flasks he used were sealed with corks - perfect answersThe flasks he used were sealed with corks
The study of the occurrence, distribution, and spread of disease is known as:
A. Biotechnology
B. Biochemistry
C. Serology
D. Immunology
E. Epidemiology - perfect answersEpidemiology
Work by ________ laid the foundations of the field of environmental microbiology.
A. Beijerinck and Winogradsky
B. Pauling and Woese
C. Reid and Spallanzani
D. Lister and Semmelweis
E. Koch and Pasteur - perfect answersBeijerinck and Winogradsky
What must one have before designing and conducting experiments?
A. A hypothesis
B. Popular opinion
C. A theory
D. Scientific law
,E. A complete set of data - perfect answersA hypothesis
Whose search for chemicals would kill microbes without harming humans was the foundation for
chemotherapy?
A. Ehrlich
B. Koch
C. Pasteur
D. Lister
E. Gram - perfect answersEhrlich
Antoni van Leeuwenhoek was the first person in history to
A. Disprove spontaneous generation
B. Use a magnifying glass
C. View microorganisms and record these observations
D. Use the germ theory of disease
E. develop a taxonomic system - perfect answersView microorganisms and record these observations
Microorganisms characterized by the absence of a nucleus are called
A. Prokaryotes
B. Viruses
C. Pathogens
D. Fungi
E. Eukaryotes - perfect answersProkaryotes
Robert Koch was involved in research on all of the following topics EXCEPT
A. The cause of fermentation
B. The cause of anthrax
C. Techniques for isolating microbes in the laboratory
D. The cause of tuberculosis
, E. Development of a method to determine the cause of an infectious disease - perfect answersThe cause
of fermentation
The term for the use of microorganisms to restore damaged environments is
A. Epidemiology
B. Ecology
C. Serology
D. Chemotherapy
E. Bioremediation - perfect answersBioremediation
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 - perfect answersProtozoa; multicellular
The microbes commonly known as ________ are single-felled eukaryotes that are generally motile
A. Viruses
B. Archaea
C. Protozoa
D. Fungi
E. Bacteria - perfect answersProtozoa
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. - perfect answersIII, II, I, IV
