For Microbiology by OpenStax 978-1938168147 ||Chapter 1-26|| Complete
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jk A+Guide.
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, OPENSTAX MICROBIOLOGY TEST BANK OpenStax jk jk jk jk jk
Microbiology THIS TEST BANK COVERS ALL CHAPTERS
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1-26 OF THE BOOK, Answered jk jk jk jk
Chapter 1: An Invisible World jk jk jk jk
* = Correct answer
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Multiple Choice
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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. jk jk jk jk
C. Many microbes are helpful.* jk jk jk
D. Most microbes are pathogenic. jk jk jk
Difficulty: Easy jk
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 jk jk jk
B. in prehistoric times*
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C. in the last century
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D. within the last 500 years jk jk jk jk
Difficulty: Easy jk
ASM Standard: 23
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3. Which individual first observed unicellular organisms, which he called
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“animalcules,” using a microscope he developed?
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A. Robert Koch jk
B. Louis Pasteur jk
C. Thucydides
D. Antonie van Leeuwenhoek* jk jk
Difficulty: Easy jk
ASM Standard: 6
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4. To reduce the risk of open flame from Bunsen burners, microbiologists are
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increasingly using which of the following devices for easy, rapid
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benchtop sterilization of small pieces of equipment?
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A. autoclaves
B. ethylene oxide jk
C. incubators
D. microincinerators*
Difficulty: Easy jk
ASM Standard: 36
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,5. The Swedish botanist known for having developed an important biological
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classification system is which of the following people?
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A. Ernst Haeckel jk
B. Carolus Linnaeus* jk
C. Louis Pasteur jk
D. Robert Whittaker jk
Difficulty: Easy jk
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 jk
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* jk jk jk
B. Archaea, Prokaryota, and Eukaryota jk jk jk
C. Bacteria, Fungi, and Protista jk jk jk
D. Bacteria, Prokaryota, and Eukarya jk jk jk
Difficulty: Easy jk
ASM Standard: N/A
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8. Which two taxonomic units are typically used to identify an organism when using
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binomial nomenclature?
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A. domain and kingdom jk jk
B. genus and family jk jk
C. genus and species* jk jk
D. phylum and class jk jk
Difficulty: Easy jk
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 jk
ASM Standard: 11, 23, 26
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, 10. The Romans may have reduced their risk of waterborne infectious diseases by using
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which of the following?
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A. a variety of pharmaceutical products
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B. aqueducts and a sewer system* jk jk jk jk
C. prophylactic antibiotics jk
D. quarantine of people with leprosy jk jk jk jk
Difficulty: Moderate jk
ASM Standard: 23
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11. For which of the following is Thucydides known?
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A. developing an effective sewer system in ancient Greece, helping to reduce
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levels of disease in cities
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B. observing microbes, using a microscope, for the first time, even distinguishing
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between bacteria and fungi
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C. proposing that disease was caused by microorganisms jk jk jk jk jk jk
D. realizing that people who had been infected by the Athenian plague
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had immunity to reinfection*
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Difficulty: Moderate jk
ASM Standard: 23, 31
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12. Ernst Haeckel proposed a classification system consisting of which of the
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following subgroups?
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A. five kingdoms jk
B. four kingdoms* jk
C. two domains and three kingdoms
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D. two domains and five kingdoms
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Difficulty: Moderate jk
ASM Standard:
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N/A
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13. Viruses not included in phylogenetic trees for which of the following reasons?
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A. It is too difficult to observe their characteristics.
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B. They are acellular and nonliving.*
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C. They do not have any genes, which prevents genetic analysis.
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D. They lack a nucleus. jk jk jk
Difficulty: Moderate jk
ASM Standard: 5
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14. Which is the best description of the primary purpose of a phylogeny?
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A. Phylogenies show all the alterative names for each species. jk jk jk jk jk jk jk jk
B. Phylogenies show all the common names for each species. jk jk jk jk jk jk jk jk
C. Phylogenies show evolutionary relatedness between organisms.* jk jk jk jk jk