, TESTBANK FOR Fundamentals of Microbiology Twelfth Edition
Pommerville
Important Notes
The file includes the complete test bank, organized chapter by chapter.
A sample of selected pages has been provided for preview.
All available appendices and Excel files (if included in the original resources) are
provided.
Quizzes, Midterm and final exams are included (if available in the original resources).
We continuously update our files to ensure you receive the latest and most accurate
editions.
New editions are added regularly – stay connected for updates!
⚠️Note on Answer Keys: If the answer key is not included within the chapter
questions, you will find the complete answers and solutions at the end of each
chapter.
✅ Why Buy From Us?
📚 Complete & organized chapter-by-chapter – no missing content, no guessing.
⚡ Instant digital delivery – get your file the moment you pay, no waiting.
📅 Always up to date – we track new editions so you always get the latest version.
💬 Friendly support – real humans ready to help, anytime you need us.
🔒 Safe & secure – thousands of satisfied students trust us every semester.
🛡️Our Guarantees
💰 Money-Back Guarantee: Not satisfied? We offer a full refund – no questions asked.
🔄 Wrong File? No Problem: Contact us and we will replace it immediately with the
correct version, free of charge.
⏰ 24/7 Support: We are always here – reach out anytime and expect a fast response.
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
Multiple Choice
1. Who was one of the early natural philosophers who coined the name “cella” for the empty
cork spaces that became the word we use today, “cells”?
A) Robert Hooke
B) Antoni van Leeuwenhoek
C) Louis Pasteur
D) Giovanni Faber
Ans: A
2. Many infectious agents are, or are becoming, ____________, and our arsenal of drugs to
fight them ____________.
A) polymicrobial infections; is diminishing
B) antibiotic resistant; is diminishing
C) human pathogens; remains strong
D) antibiotic resistant; is increasing
Ans: B
3. Today there is the possibility of ____________, the intentional or threatened use of
microbial ____________ to cause fear in or inflict death or disease upon a large population.
A) bioremediation; pathogens
B) bioterrorism; antibiotic resistance
C) bioterrorism; pathogens
D) biofilms; poisons
Ans: C
4. What scientist(s) discovered the virus that causes yellow fever?
A) William Welch
B) Robert Forde and Joseph Everett
C) David Bruce
D) Walter Reed
Ans: D
5. Pasteur’s study of “wine disease” was critical to the development of:
A) the scientific method.
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
B) pasteurization.
C) fermentation.
D) nomenclature.
Ans: B
6. Pasteur first suggested that bacteria could cause disease in humans by showing that bacteria
could:
A) contaminate canned foods.
B) cause plant diseases.
C) sour wine.
D) infect animals.
Ans: C
7. Pasteur’s observations that protozoa were related to the silkworm disease strengthened his
belief in the:
A) germ theory of disease.
B) doctrine of spontaneous generation.
C) eukaryotic nature of protozoa.
D) None of these is correct.
Ans: A
8. Koch was responsible for thorough observations on the organisms of:
A) tuberculosis and anthrax.
B) diphtheria and plague.
C) plague and tetanus.
D) measles and diphtheria.
Ans: A
9. Which scientist observed bacterial cells in leprosy patients?
A) Shiga
B) Hansen
C) Hooke
D) Hesse
Ans: B
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
10. The accomplishments of Koch include all the following, EXCEPT:
A) development of the rabies vaccine.
B) isolation of the tuberculosis bacterium.
C) development of pure culture techniques.
D) proof of the germ theory of disease.
Ans: A
11. Microbes represent ________ of all marine biomass.
A) 26%
B) 50%
C) 77%
D) 90%
Ans: D
12. What group represents the most abundant infectious microbes on Earth?
A) Fungi
B) Viruses
C) Bacteria
D) Protozoans
Ans: B
13. Microbes and fungal spores account for 20% of all particles found in the ______.
A) soil
B) human body
C) atmosphere
D) water
Ans: C
14. Scientists estimate _______ of microbes have been discovered
A) 2%
B) 10%
C) 50%
D) 90%
Ans: A
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
15. Microbes dubbed “zombie bacteria” are found in which environment?
A) Human body
B) Deep underground
C) Atmosphere
D) Marine
Ans: B
16. Deep microbes represent __________ of the Earth’s biomass and ________ of all microbes.
A) 50%; 70%
B) 25%; 30%
C) 90%; 40%
D) 35%; 60%
Ans: A
17. Each individual’s unique microbiome is a result of which of the following?
A) Age
B) Diet
C) Geographic location
D) All of these are correct.
E) None of these is correct.
Ans: D
18. The average human belly button has a unique combination of more than ______ types of
bacteria.
A) 300
B) 50
C) 100
D) 5,000
Ans: B
19. The human microbiome consists of some _______ microbes composing more than _____
different types of bacteria and fungi.
A) 38 trillion; 4,000
B) 38 million; 4,000
C) 38 trillion; 400
D) 38 million; 400
Ans: A
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
20. Microbes that cause disease are called _______.
A) microbiota
B) pathogens
C) infection
D) bacteria
Ans: B
21. All of the following are examples of new emerging infectious diseases, EXCEPT:
A) swine flu.
B) chickenpox.
C) Lyme disease.
D) Zika virus disease
Ans: B
22. __________ are not cellular and are considered infectious particles, not organisms.
A) Fungi
B) Bacteria
C) Viruses
D) Protists
Ans: C
23. Nonphotosynthetic eukaryotic organisms with a cell wall belong to what group?
A) Fungi
B) Bacteria
C) Algae
D) Protozoa
Ans: A
24. Single-celled organisms that do not have a cell wall belong to which group?
A) Fungi
B) Bacteria
C) Archaea
D) Protozoa
Ans: D
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
25. Which group of microbes has no pathogenic members?
A) Fungi
B) Bacteria
C) Archaea
D) Protozoa
Ans: C
26. Which of the following types of cells are prokaryotic?
A) Fungi
B) Protists
C) Bacteria
D) Viruses
Ans: C
27. The rise in antibiotic resistance is due, in part, to:
A) bacterial mutations.
B) inappropriate prescribing of antibiotics by doctors.
C) demand by patients when antibiotics are not useful in treatment.
D) All of these are correct.
Ans: D
28. In 1676 __________ first described bacteria in a letter to the England’s Royal Society of
London.
A) Louis Pasteur
B) Robert Hooke
C) Antoni van Leeuwenhoek
D) Robert Koch
Ans: C
29. Who first used the term “germ?”
A) Louis Pasteur
B) Robert Hooke
C) Antoni van Leeuwenhoek
D) Robert Koch
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
Ans: A
30. When were petri dishes first developed?
A) 1745
B) 1826
C) 1887
D) 1906
Ans: C
31. Etiology is the study of:
A) disease transmission.
B) vaccination.
C) disease causation.
D) disease treatment.
Ans: C
32. Agar is derived from:
A) marine seaweed.
B) gelatin.
C) collagen extract.
D) synthetic polymers.
Ans: A
33. The first successful use of a rabies vaccine occurred in what year?
A) 1926
B) 1885
C) 1906
D) 1872
Ans: B
34. Before it was used as a growth medium in microbiology, agar was commonly used for what?
A) Making glue
B) Cleaning products
C) Making wine
D) Making fruit preserves
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
, Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
Ans: D
35. Born in New Jersey, ___________ was one of the first Americans to make a significant
contribution to the field of microbiology.
A) Robert Hooke
B) Louis Pasteur
C) Fanny Hesse
D) Robert Koch
Ans: C
36. Why do viruses infect other organisms?
A) To replicate
B) To obtain nutrients
C) Protection
D) None of these is correct.
Ans: A
37. Geologists propose the current era be named __________.
A) Micropocene.
B) Anthropocene.
C) Penicilocene.
D) Covidocene.
Ans: B
38. All of the following are issues that need to be addressed to reduce global outbreaks of disease
EXCEPT:
A) bioterrorism.
B) climate change.
C) antibiotic-resistant bacteria.
D) biotechnology.
Ans: D
39. The source of most emerging infectious diseases is_________.
A) mutation
B) antibiotic resistance
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
Pommerville
Important Notes
The file includes the complete test bank, organized chapter by chapter.
A sample of selected pages has been provided for preview.
All available appendices and Excel files (if included in the original resources) are
provided.
Quizzes, Midterm and final exams are included (if available in the original resources).
We continuously update our files to ensure you receive the latest and most accurate
editions.
New editions are added regularly – stay connected for updates!
⚠️Note on Answer Keys: If the answer key is not included within the chapter
questions, you will find the complete answers and solutions at the end of each
chapter.
✅ Why Buy From Us?
📚 Complete & organized chapter-by-chapter – no missing content, no guessing.
⚡ Instant digital delivery – get your file the moment you pay, no waiting.
📅 Always up to date – we track new editions so you always get the latest version.
💬 Friendly support – real humans ready to help, anytime you need us.
🔒 Safe & secure – thousands of satisfied students trust us every semester.
🛡️Our Guarantees
💰 Money-Back Guarantee: Not satisfied? We offer a full refund – no questions asked.
🔄 Wrong File? No Problem: Contact us and we will replace it immediately with the
correct version, free of charge.
⏰ 24/7 Support: We are always here – reach out anytime and expect a fast response.
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
Multiple Choice
1. Who was one of the early natural philosophers who coined the name “cella” for the empty
cork spaces that became the word we use today, “cells”?
A) Robert Hooke
B) Antoni van Leeuwenhoek
C) Louis Pasteur
D) Giovanni Faber
Ans: A
2. Many infectious agents are, or are becoming, ____________, and our arsenal of drugs to
fight them ____________.
A) polymicrobial infections; is diminishing
B) antibiotic resistant; is diminishing
C) human pathogens; remains strong
D) antibiotic resistant; is increasing
Ans: B
3. Today there is the possibility of ____________, the intentional or threatened use of
microbial ____________ to cause fear in or inflict death or disease upon a large population.
A) bioremediation; pathogens
B) bioterrorism; antibiotic resistance
C) bioterrorism; pathogens
D) biofilms; poisons
Ans: C
4. What scientist(s) discovered the virus that causes yellow fever?
A) William Welch
B) Robert Forde and Joseph Everett
C) David Bruce
D) Walter Reed
Ans: D
5. Pasteur’s study of “wine disease” was critical to the development of:
A) the scientific method.
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
B) pasteurization.
C) fermentation.
D) nomenclature.
Ans: B
6. Pasteur first suggested that bacteria could cause disease in humans by showing that bacteria
could:
A) contaminate canned foods.
B) cause plant diseases.
C) sour wine.
D) infect animals.
Ans: C
7. Pasteur’s observations that protozoa were related to the silkworm disease strengthened his
belief in the:
A) germ theory of disease.
B) doctrine of spontaneous generation.
C) eukaryotic nature of protozoa.
D) None of these is correct.
Ans: A
8. Koch was responsible for thorough observations on the organisms of:
A) tuberculosis and anthrax.
B) diphtheria and plague.
C) plague and tetanus.
D) measles and diphtheria.
Ans: A
9. Which scientist observed bacterial cells in leprosy patients?
A) Shiga
B) Hansen
C) Hooke
D) Hesse
Ans: B
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
10. The accomplishments of Koch include all the following, EXCEPT:
A) development of the rabies vaccine.
B) isolation of the tuberculosis bacterium.
C) development of pure culture techniques.
D) proof of the germ theory of disease.
Ans: A
11. Microbes represent ________ of all marine biomass.
A) 26%
B) 50%
C) 77%
D) 90%
Ans: D
12. What group represents the most abundant infectious microbes on Earth?
A) Fungi
B) Viruses
C) Bacteria
D) Protozoans
Ans: B
13. Microbes and fungal spores account for 20% of all particles found in the ______.
A) soil
B) human body
C) atmosphere
D) water
Ans: C
14. Scientists estimate _______ of microbes have been discovered
A) 2%
B) 10%
C) 50%
D) 90%
Ans: A
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
15. Microbes dubbed “zombie bacteria” are found in which environment?
A) Human body
B) Deep underground
C) Atmosphere
D) Marine
Ans: B
16. Deep microbes represent __________ of the Earth’s biomass and ________ of all microbes.
A) 50%; 70%
B) 25%; 30%
C) 90%; 40%
D) 35%; 60%
Ans: A
17. Each individual’s unique microbiome is a result of which of the following?
A) Age
B) Diet
C) Geographic location
D) All of these are correct.
E) None of these is correct.
Ans: D
18. The average human belly button has a unique combination of more than ______ types of
bacteria.
A) 300
B) 50
C) 100
D) 5,000
Ans: B
19. The human microbiome consists of some _______ microbes composing more than _____
different types of bacteria and fungi.
A) 38 trillion; 4,000
B) 38 million; 4,000
C) 38 trillion; 400
D) 38 million; 400
Ans: A
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
20. Microbes that cause disease are called _______.
A) microbiota
B) pathogens
C) infection
D) bacteria
Ans: B
21. All of the following are examples of new emerging infectious diseases, EXCEPT:
A) swine flu.
B) chickenpox.
C) Lyme disease.
D) Zika virus disease
Ans: B
22. __________ are not cellular and are considered infectious particles, not organisms.
A) Fungi
B) Bacteria
C) Viruses
D) Protists
Ans: C
23. Nonphotosynthetic eukaryotic organisms with a cell wall belong to what group?
A) Fungi
B) Bacteria
C) Algae
D) Protozoa
Ans: A
24. Single-celled organisms that do not have a cell wall belong to which group?
A) Fungi
B) Bacteria
C) Archaea
D) Protozoa
Ans: D
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
25. Which group of microbes has no pathogenic members?
A) Fungi
B) Bacteria
C) Archaea
D) Protozoa
Ans: C
26. Which of the following types of cells are prokaryotic?
A) Fungi
B) Protists
C) Bacteria
D) Viruses
Ans: C
27. The rise in antibiotic resistance is due, in part, to:
A) bacterial mutations.
B) inappropriate prescribing of antibiotics by doctors.
C) demand by patients when antibiotics are not useful in treatment.
D) All of these are correct.
Ans: D
28. In 1676 __________ first described bacteria in a letter to the England’s Royal Society of
London.
A) Louis Pasteur
B) Robert Hooke
C) Antoni van Leeuwenhoek
D) Robert Koch
Ans: C
29. Who first used the term “germ?”
A) Louis Pasteur
B) Robert Hooke
C) Antoni van Leeuwenhoek
D) Robert Koch
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
,Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
Ans: A
30. When were petri dishes first developed?
A) 1745
B) 1826
C) 1887
D) 1906
Ans: C
31. Etiology is the study of:
A) disease transmission.
B) vaccination.
C) disease causation.
D) disease treatment.
Ans: C
32. Agar is derived from:
A) marine seaweed.
B) gelatin.
C) collagen extract.
D) synthetic polymers.
Ans: A
33. The first successful use of a rabies vaccine occurred in what year?
A) 1926
B) 1885
C) 1906
D) 1872
Ans: B
34. Before it was used as a growth medium in microbiology, agar was commonly used for what?
A) Making glue
B) Cleaning products
C) Making wine
D) Making fruit preserves
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
, Fundamentals of Microbiology 12th Edition
Jeffrey C. Pommerville
Chapter 1 Test Bank
Ans: D
35. Born in New Jersey, ___________ was one of the first Americans to make a significant
contribution to the field of microbiology.
A) Robert Hooke
B) Louis Pasteur
C) Fanny Hesse
D) Robert Koch
Ans: C
36. Why do viruses infect other organisms?
A) To replicate
B) To obtain nutrients
C) Protection
D) None of these is correct.
Ans: A
37. Geologists propose the current era be named __________.
A) Micropocene.
B) Anthropocene.
C) Penicilocene.
D) Covidocene.
Ans: B
38. All of the following are issues that need to be addressed to reduce global outbreaks of disease
EXCEPT:
A) bioterrorism.
B) climate change.
C) antibiotic-resistant bacteria.
D) biotechnology.
Ans: D
39. The source of most emerging infectious diseases is_________.
A) mutation
B) antibiotic resistance
Copyright © 2022 by Jones & Bartlett Learning, LLC, an Ascend Learning Company
