OpenStax Microbiology Test Bank Updated Latest 2026–2027 Comprehensive Microbiology Exam Questions with Verified Answers Explained High Yield Study Guide for Finals Midterms Lab Practice and Success

TESTBANK T




MICROBIOLOGY

OPENSTAX




TESTBANK T

,OpenStax Microbiology Test Bank All Book Chapters Covered:
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Contents:
Chapter 1: An Invisible World
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Chapter 2: How We See the Invisible World
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Chapter 3: The Cell
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Chapter 4: Prokaryotic Diversity
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Chapter 5: The Eukaryotes of Microbiology
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Chapter 6: Acellular Pathogens
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Chapter 7: Microbial Biochemistry
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Chapter 8: Microbial Metabolism
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Chapter 9: Microbial Growth
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Chapter 10: Biochemistry of the Genome
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Chapter 11: Mechanisms of Microbial Genetics
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Chapter 12: Modern Applications of Microbial Genetics
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Chapter 13: Control of Microbial Growth
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Chapter 14: Antimicrobial Drugs
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Chapter 15: Microbial Mechanisms of Pathogenicity
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Chapter 16: Disease and Epidemiology
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Chapter 1 7: Innate Nonspecific Host Defenses
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Chapter 18: Adaptive Specific Host Defenses
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Chapter 19: Diseases of the Immune System
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Chapter 20: Laboratory Analysis of the Immune Response
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Chapter 21: Skin and Eye Infections
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Chapter 22: Respiratory System Infections
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Chapter 23: Urogenital System Infections
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Chapter 24: Digestive System Infections
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Chapter 25: Circulatory and Lymphatic System Infections
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Chapter 26: Nervous System Infections
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,OpenStax Microbiology Test Bank
Chapter 1: An Invisible World

Chapter 1: An Invisible World
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* = Correct answer
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Multiple Choice T




1. Which of the following is true of the microbial world?
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A. All microbes are harmful.
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B. Humans could survive without microbes. T T T T



C. Many microbes are helpful.* T T T



D. Most microbes are pathogenic. T T T




Difficulty: Easy T



ASM Standard: 23, 24
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2. Which of the following is when humans first suspected the existence of microbes?
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A. during the Industrial Revolution T T T



B. in prehistoric times*
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C. in the last century
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D. within the last 500 years T T T T




Difficulty: Easy T T



ASM Standard: 23
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3. Which individual first observed unicellular organisms, which he called “animalcules,” using
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a microscope he developed?
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A. Robert Koch T



B. Louis Pasteur T



C. Thucydides
D. Antonie van Leeuwenhoek* T T




Difficulty: Easy T T



ASM Standard: 6
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4. To reduce the risk of open flame from Bunsen burners, microbiologists are increasingly using
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which of the following devices for easy, rapid benchtop sterilization of small pieces of
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equipment?
A. autoclaves
B. ethylene oxide T



C. incubators
D. microincinerators*

Difficulty: Easy T T



ASM Standard: 36
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Page 1 of 17

, OpenStax Microbiology Test Bank
Chapter 1: An Invisible World

5. The Swedish botanist known for having developed an important biological classification
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system is which of the following people?
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A. Ernst Haeckel T



B. Carolus Linnaeus* T



C. Louis Pasteur T



D. Robert Whittaker T




Difficulty: Easy T T



ASM Standard: N/A
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6. Which kingdom was the only one found in Empire Prokaryota?
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A. Animalia
B. Fungi
C. Monera*
D. Protista

Difficulty: Easy T T



ASM Standard: N/A
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7. Which are the three currently accepted domains?
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A. Archaea, Bacteria, and Eukarya* T T T



B. Archaea, Prokaryota, and Eukaryota T T T



C. Bacteria, Fungi, and Protista T T T



D. Bacteria, Prokaryota, and Eukarya T T T




Difficulty: Easy T T



ASM Standard: N/A
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8. Which two taxonomic units are typically used to identify an organism when using binomial
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nomenclature?
A. domain and kingdom T T



B. genus and family T T



C. genus and species* T T



D. phylum and class T T




Difficulty: Easy T T



ASM Standard: N/A
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9. Which of the following is not true about the process of fermentation?
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A. It can help preserve foods, preventing spoilage.
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B. It converts sugars to organic acids, alcohols, and/or gases such as carbon dioxide.
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C. It is carried out exclusively by unicellular eukaryotes such as yeast.*
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D. It is used to make foods such as cheese and bread.
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Difficulty: Moderate T T



ASM Standard: 11, 23, 26
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