Microbiology – OpenStax – Complete Test Bank with Questions and Answers

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MICROBIOLOGY

OPENSTAX




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,OpenStax MicrobiologyTest Bank Il` Il̀ Il`




Chapter 1:An Invisible World
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Chapter 1:An Invisible World Il` Il̀ Il` Il`




* = Correct answer
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Multiple Choice
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1. Which of the following is true of the microbial world? Il` Il` Il` Il` Il` Il` Il` Il` Il`




A. All microbes are harmful. Il` Il` Il`




B. Humans could survive without microbes. Il` Il` Il` Il`




C. Many microbes are helpful.* Il` Il` Il`




D. Most microbes are pathogenic. Il` Il` Il`




Difficulty: Easy Il`




ASM Standard: 23, 24 Il` Il` Il`




2. Which of the following is when humans first suspected the existence of microbes?
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A. during the Industrial Revolution Il` Il` Il`




B. in prehistoric times* Il` Il`




C. in the last century Il` Il` Il`




D. within the last 500 years Il` Il` Il` Il`




Difficulty: Easy Il`




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




B. Louis Pasteur Il`




C. Thucydides
D. Antonie van Leeuwenhoek* Il` Il`




Difficulty: Easy Il`




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? Il`




A. autoclaves
B. ethylene oxide Il`




C. incubators
D. microincinerators*

Difficulty: Easy Il`




ASM Standard: 36
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, OpenStax MicrobiologyTest Bank Il` Il̀ Il`




Chapter 1:An Invisible World
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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 Il`




B. Carolus Linnaeus* Il`




C. Louis Pasteur Il`




D. Robert Whittaker Il`




Difficulty: Easy Il`




ASM Standard: N/A
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6. Which kingdom was the only one found in Empire Prokaryota? Il` Il` Il` Il` Il` Il` Il` Il` Il`




A. Animalia
B. Fungi
C. Monera*
D. Protista

Difficulty: Easy Il`




ASM Standard: N/A
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7. Which are the three currently accepted domains? Il` Il` Il` Il` Il` Il`




A. Archaea, Bacteria, and Eukarya* Il` Il` Il`




B. Archaea, Prokaryota, and Eukaryota Il` Il` Il`




C. Bacteria, Fungi, and Protista Il` Il` Il`




D. Bacteria, Prokaryota, and Eukarya Il` Il` Il`




Difficulty: Easy Il`




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?
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A. domain and kingdom Il` Il`




B. genus and family Il` Il`




C. genus and species* Il` Il`




D. phylum and class Il` Il`




Difficulty: Easy Il`




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 Il`




ASM Standard: 11, 23, 26
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