, TESTBANK FOR Burton's Microbiology for the Health Sciences, Enhanced
Edition Eleventh Edition Engelkirk
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.
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,Chapter 01: Microbiology-The Science
1. Which of the following individuals is considered to be the “Father of Microbiology”?
A. Anton van Leeuwenhoek
B. Louis Pasteur
C. Robert Koch
D. Rudolf Virchow
2. The microbes that usually live on or within a person are collectively referred to as
A. germs.
B. indigenous microbiota.
C. nonpathogens.
D. opportunistic pathogens.
3. Microbes that live on dead and decaying organic material are known as
A. indigenous microflora.
B. parasites.
C. pathogens.
D. saprophytes.
4. The study of algae is called
A. algaeology.
B. botany.
C. mycology.
D. phycology.
5. The field of virology involves the study of which of the following types of organisms?
A. Fungi, protozoa, and viruses
B. Viruses, prions, and viroids
C. Viruses, bacteria, and fungi
D. Bacteria, protozoa, and viruses
6. Rudolf Virchow is given credit for proposing which of the following theories?
A. Abiogenesis
B. Biogenesis
C. Germ theory of disease
D. Spontaneous generation
7. Which of the following microbes are considered obligate intracellular pathogens?
A. Chlamydias, rickettsias, Mycobacterium leprae, and Treponema pallidum
B. Mycobacterium leprae and Treponema pallidum
C. Mycobacterium tuberculosis and viruses
D. Rickettsias, chlamydias, and viruses
8. Which one of the following statements is true?
A. Koch developed a rabies vaccine.
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,B. Microbes are ubiquitous.
C. Most microbes are harmful to humans.
D. Pasteur conducted experiments that proved the theory of abiogenesis.
9. Which of the following are even smaller than viruses?
A. Chlamydias
B. Prions and viroids
C. Rickettsias
D. Cyanobacteria
10. Which of the following individuals introduced the terms “aerobes” and “anaerobes”?
A. Anton van Leeuwenhoek
B. Louis Pasteur
C. Robert Koch
D. Rudolf Virchow
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,Answer Key
1. A
2. B
3. D
4. D
5. B
6. B
7. D
8. B
9. B
10. B
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,Chapter 02: Viewing the Microbial World
1. A millimeter is equivalent to how many nanometers?
A. 1,000
B. 10,000
C. 100,000
D. 1,000,000
2. Assume that a pinhead is 1 mm in diameter. How many spherical bacteria (cocci), lined up
side-by-side, would fit across the pinhead? (Hint: Use information from Table 2-1.)
A. 100
B. 1,000
C. 10,000
D. 100,000
3. What is the length of an average rod-shaped bacterium (bacillus)?
A. 3 m
B. 3 nm
C. 0.3 mm
D. 0.03 mm
4. What is the total magnification when using the high-power (high-dry) objective of a
compound light microscope equipped with a ×10 ocular lens?
A. 40
B. 50
C. 100
D. 400
5. How many times better is the resolution of the transmission electron microscope than the
resolution of the unaided human eye?
A. 1,000
B. 10,000
C. 100,000
D. 1,000,000
6. How many times better is the resolution of the transmission electron microscope than the
resolution of the compound light microscope?
A. 100
B. 1,000
C. 10,000
D. 100,000
7. How many times better is the resolution of the transmission electron microscope than the
resolution of the scanning electron microscope?
A. 100
B. 1,000
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,C. 10,000
D. 100,000
8. The limiting factor of any compound light microscope (i.e., the thing that limits its resolution
to 0.2 m) is the:
A. number of condenser lenses it has.
B. number of magnifying lenses it has.
C. number of ocular lenses it has.
D. wavelength of visible light.
9. Which one of the following individuals is given credit for developing the first compound
microscope?
A. Anton van Leeuwenhoek
B. Hans Jansen
C. Louis Pasteur
D. Robert Hooke
10. A compound light microscope differs from a simple microscope in that the compound light
microscope contains more than one:
A. condenser lens.
B. magnifying lens.
C. objective lens.
D. ocular lens.
11. The approximate resolving power of the unaided human eye is:
A. 0.2 cm.
B. 0.2 mm.
C. 0.2 m.
D. 0.2 nm.
12. The approximate resolving power of the compound light microscope is:
A. 0.2 cm.
B. 0.2 mm.
C. 0.2 m.
D. 0.2 nm.
13. The reason that better resolution cannot be achieved with the compound light microscopes
used in the lab (i.e., the limiting factor of the compound light microscope) is the:
A. “high-tech” capabilities of the company that we purchased them from.
B. manner in which the objective lenses were ground.
C. fact that the eyepiece (ocular) magnification is only ×10.
D. wavelength of visible light.
14. The total magnification achieved in the laboratory when using the high-power (high-dry)
objective of the compound light microscope is:
A. ×40.
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,B. ×100.
C. ×400.
D. ×1,000.
15. The total magnification achieved in the laboratory when using the oil-immersion objective of
the compound light microscope is:
A. ×40.
B. ×100.
C. ×400.
D. ×1,000.
16. Which one of the following statements is not true?
A. The scanning electron microscope is used to examine the surfaces of various objects, and its
resolving power is approximately 20 nm.
B. The transmission electron microscope is used to examine very thin sections of various
specimens, and its resolving power is approximately 1,000 times better than the resolving power
of the unaided human eye.
C. 0.5 mm = 500 m = 500,000 nm.
D. Better resolution can be achieved using transmission electron microscopes than can be
achieved using scanning electron microscopes.
17. The unit of measure usually used to describe bacterial size is:
A. millimeters.
B. micrometers.
C. nanometers.
D. angstroms.
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,Answer Key
1. D
2. B
3. A
4. D
5. D
6. B
7. A
8. D
9. B
10. B
11. B
12. C
13. D
14. C
15. D
16. B
17. B
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, 1. Molecules of extrachromosomal DNA are also known as:
A. Golgi bodies.
B. lysosomes.
C. plasmids.
D. plastids.
2. A bacterium possessing a tuft of flagella at one end of its cell would be called what kind of
bacterium?
A. Amphitrichous
B. Lophotrichous
C. Monotrichous
D. Peritrichous
3. One way in which an archaea would differ from a bacterium is that the archaea would possess
no:
A. DNA in its chromosome.
B. peptidoglycan in its cell walls.
C. ribosomes in its cytoplasm.
D. RNA in its ribosomes.
4. Some bacteria stain Gram positive and others stain Gram negative because of differences in
the structure of their:
A. capsule.
B. cell membrane.
C. cell wall.
D. ribosomes.
5. Of the following, which one is not found in prokaryotic cells?
A. Cell membrane
B. Chromosome
C. Mitochondria
D. Plasmids
6. The Three-Domain System of Classification is based on differences in which one of the
following molecules?
A. mRNA
B. Peptidoglycan
C. rRNA
D. tRNA
7. Which of the following is in the correct sequence?
A. Kingdom, Class, Division, Order, Family, Genus
B. Kingdom, Division, Class, Order, Family, Genus
C. Kingdom, Division, Order, Class, Family, Genus
D. Kingdom, Order, Division, Class, Family, Genus
© Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION 3-1
Edition Eleventh Edition Engelkirk
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.
Contact Email:
,Chapter 01: Microbiology-The Science
1. Which of the following individuals is considered to be the “Father of Microbiology”?
A. Anton van Leeuwenhoek
B. Louis Pasteur
C. Robert Koch
D. Rudolf Virchow
2. The microbes that usually live on or within a person are collectively referred to as
A. germs.
B. indigenous microbiota.
C. nonpathogens.
D. opportunistic pathogens.
3. Microbes that live on dead and decaying organic material are known as
A. indigenous microflora.
B. parasites.
C. pathogens.
D. saprophytes.
4. The study of algae is called
A. algaeology.
B. botany.
C. mycology.
D. phycology.
5. The field of virology involves the study of which of the following types of organisms?
A. Fungi, protozoa, and viruses
B. Viruses, prions, and viroids
C. Viruses, bacteria, and fungi
D. Bacteria, protozoa, and viruses
6. Rudolf Virchow is given credit for proposing which of the following theories?
A. Abiogenesis
B. Biogenesis
C. Germ theory of disease
D. Spontaneous generation
7. Which of the following microbes are considered obligate intracellular pathogens?
A. Chlamydias, rickettsias, Mycobacterium leprae, and Treponema pallidum
B. Mycobacterium leprae and Treponema pallidum
C. Mycobacterium tuberculosis and viruses
D. Rickettsias, chlamydias, and viruses
8. Which one of the following statements is true?
A. Koch developed a rabies vaccine.
© Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION 1-1
,B. Microbes are ubiquitous.
C. Most microbes are harmful to humans.
D. Pasteur conducted experiments that proved the theory of abiogenesis.
9. Which of the following are even smaller than viruses?
A. Chlamydias
B. Prions and viroids
C. Rickettsias
D. Cyanobacteria
10. Which of the following individuals introduced the terms “aerobes” and “anaerobes”?
A. Anton van Leeuwenhoek
B. Louis Pasteur
C. Robert Koch
D. Rudolf Virchow
© Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION 1-2
,Answer Key
1. A
2. B
3. D
4. D
5. B
6. B
7. D
8. B
9. B
10. B
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,Chapter 02: Viewing the Microbial World
1. A millimeter is equivalent to how many nanometers?
A. 1,000
B. 10,000
C. 100,000
D. 1,000,000
2. Assume that a pinhead is 1 mm in diameter. How many spherical bacteria (cocci), lined up
side-by-side, would fit across the pinhead? (Hint: Use information from Table 2-1.)
A. 100
B. 1,000
C. 10,000
D. 100,000
3. What is the length of an average rod-shaped bacterium (bacillus)?
A. 3 m
B. 3 nm
C. 0.3 mm
D. 0.03 mm
4. What is the total magnification when using the high-power (high-dry) objective of a
compound light microscope equipped with a ×10 ocular lens?
A. 40
B. 50
C. 100
D. 400
5. How many times better is the resolution of the transmission electron microscope than the
resolution of the unaided human eye?
A. 1,000
B. 10,000
C. 100,000
D. 1,000,000
6. How many times better is the resolution of the transmission electron microscope than the
resolution of the compound light microscope?
A. 100
B. 1,000
C. 10,000
D. 100,000
7. How many times better is the resolution of the transmission electron microscope than the
resolution of the scanning electron microscope?
A. 100
B. 1,000
© Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION 2-1
,C. 10,000
D. 100,000
8. The limiting factor of any compound light microscope (i.e., the thing that limits its resolution
to 0.2 m) is the:
A. number of condenser lenses it has.
B. number of magnifying lenses it has.
C. number of ocular lenses it has.
D. wavelength of visible light.
9. Which one of the following individuals is given credit for developing the first compound
microscope?
A. Anton van Leeuwenhoek
B. Hans Jansen
C. Louis Pasteur
D. Robert Hooke
10. A compound light microscope differs from a simple microscope in that the compound light
microscope contains more than one:
A. condenser lens.
B. magnifying lens.
C. objective lens.
D. ocular lens.
11. The approximate resolving power of the unaided human eye is:
A. 0.2 cm.
B. 0.2 mm.
C. 0.2 m.
D. 0.2 nm.
12. The approximate resolving power of the compound light microscope is:
A. 0.2 cm.
B. 0.2 mm.
C. 0.2 m.
D. 0.2 nm.
13. The reason that better resolution cannot be achieved with the compound light microscopes
used in the lab (i.e., the limiting factor of the compound light microscope) is the:
A. “high-tech” capabilities of the company that we purchased them from.
B. manner in which the objective lenses were ground.
C. fact that the eyepiece (ocular) magnification is only ×10.
D. wavelength of visible light.
14. The total magnification achieved in the laboratory when using the high-power (high-dry)
objective of the compound light microscope is:
A. ×40.
© Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION 2-2
,B. ×100.
C. ×400.
D. ×1,000.
15. The total magnification achieved in the laboratory when using the oil-immersion objective of
the compound light microscope is:
A. ×40.
B. ×100.
C. ×400.
D. ×1,000.
16. Which one of the following statements is not true?
A. The scanning electron microscope is used to examine the surfaces of various objects, and its
resolving power is approximately 20 nm.
B. The transmission electron microscope is used to examine very thin sections of various
specimens, and its resolving power is approximately 1,000 times better than the resolving power
of the unaided human eye.
C. 0.5 mm = 500 m = 500,000 nm.
D. Better resolution can be achieved using transmission electron microscopes than can be
achieved using scanning electron microscopes.
17. The unit of measure usually used to describe bacterial size is:
A. millimeters.
B. micrometers.
C. nanometers.
D. angstroms.
© Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION 2-3
,Answer Key
1. D
2. B
3. A
4. D
5. D
6. B
7. A
8. D
9. B
10. B
11. B
12. C
13. D
14. C
15. D
16. B
17. B
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, 1. Molecules of extrachromosomal DNA are also known as:
A. Golgi bodies.
B. lysosomes.
C. plasmids.
D. plastids.
2. A bacterium possessing a tuft of flagella at one end of its cell would be called what kind of
bacterium?
A. Amphitrichous
B. Lophotrichous
C. Monotrichous
D. Peritrichous
3. One way in which an archaea would differ from a bacterium is that the archaea would possess
no:
A. DNA in its chromosome.
B. peptidoglycan in its cell walls.
C. ribosomes in its cytoplasm.
D. RNA in its ribosomes.
4. Some bacteria stain Gram positive and others stain Gram negative because of differences in
the structure of their:
A. capsule.
B. cell membrane.
C. cell wall.
D. ribosomes.
5. Of the following, which one is not found in prokaryotic cells?
A. Cell membrane
B. Chromosome
C. Mitochondria
D. Plasmids
6. The Three-Domain System of Classification is based on differences in which one of the
following molecules?
A. mRNA
B. Peptidoglycan
C. rRNA
D. tRNA
7. Which of the following is in the correct sequence?
A. Kingdom, Class, Division, Order, Family, Genus
B. Kingdom, Division, Class, Order, Family, Genus
C. Kingdom, Division, Order, Class, Family, Genus
D. Kingdom, Order, Division, Class, Family, Genus
© Jones & Bartlett Learning, LLC. NOT FOR SALE OR DISTRIBUTION 3-1
