OPENSTAX MICROBIOLOGY TEST BANK OpenStax
Microbiology THIS TEST BANK COVERS ALL CHAPTERS
1-26 OF THE BOOK, Answered
Chapter 1: An Invisible World KK KK KK KK
* = Correct
K K KK
answerMultiple
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Choice
KK
1. Which of the following is true of the microbial world?
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A. All microbes are harmful. KK KK KK
B. Humans could survive without microbes. KK KK KK KK
C. Many microbes are helpful. * KK KK KK
D. Most microbes are pathogenic. KK KK KK
Difficulty: Easy KK
ASM Standard: 23, 24KK KK KK
2. Which of the following is when humans first suspected the existence of microbes?
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A. during the Industrial Revolution KK KK KK
B. in prehistoric times * KK KK
C. in the last century KK KK KK
D. within the last 500 years KK KK KK KK
Difficulty: Easy KK
ASM Standard: 23
KK KK KK
3. Which individual first observed unicellular organisms, which he
KK KK KK KK KK KK KK
called“animalcules,” using a microscope he developed?
KK K KK KK KK KK KK
A. Robert Koch KK
B. Louis Pasteur KK
C. Thucydides
D. Antonie van Leeuwenhoek * KK KK
Difficulty: Easy KK
ASM Standard: 6
KK KK KK
4. To reduce the risk of open flame from Bunsen burners, microbiologists
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areincreasingly 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 KK
C. incubators
D. microincinerators *
,Difficulty: Easy
KK
ASM Standard: 36
KK KK KK
,5. The Swedish botanist known for having developed an important
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biologicalclassification system is which of the following people?
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A. Ernst Haeckel KK
B. Carolus Linnaeus * KK
C. Louis Pasteur KK
D. Robert Whittaker KK
Difficulty: Easy KK
ASM Standard: N/A
KK KK KK
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 KK
ASM Standard: N/A
KK KK KK
7. Which are the three currently accepted domains?
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A. Archaea, Bacteria, and Eukarya * KK KK KK
B. Archaea, Prokaryota, and Eukaryota KK KK KK
C. Bacteria, Fungi, and Protista KK KK KK
D. Bacteria, Prokaryota, and Eukarya KK KK KK
Difficulty: Easy KK
ASM Standard: N/A
KK KK KK
8. Which two taxonomic units are typically used to identify an organism when
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usingbinomial nomenclature?
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A. domain and kingdom KK KK
B. genus and family KK KK
C. genus and species * KK KK
D. phylum and class KK KK
Difficulty: Easy KK
ASM Standard: N/A
KK KK KK
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 KK
ASM Standard: 11, 23, 26
KK KK KK KK
, 10. The Romans may have reduced their risk of waterborne infectious diseases by
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usingwhich of the following?
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A. a variety of pharmaceutical products
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B. aqueducts and a sewer system * KK KK KK KK
C. prophylactic antibiotics KK
D. quarantine of people with leprosy KK KK KK KK
Difficulty:
ModerateASM
KK K
Standard: 23
KK KK
11. For which of the following is Thucydides known?
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A. developing an effective sewer system in ancient Greece, helping to KK KK KK KK KK KK KK KK KK
reducelevels of disease in cities
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B. observing microbes, using a microscope, for the first time, even
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distinguishingbetween bacteria and fungi
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C. proposing that disease was caused by microorganisms KK KK KK KK KK KK
D. realizing that people who had been infected by the Athenian plague
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hadimmunity to reinfection *
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Difficulty: Moderate KK
ASM Standard: 23, 31
KK KK KK KK
12. Ernst Haeckel proposed a classification system consisting of which of
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thefollowing subgroups?
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A. five kingdoms KK
B. four kingdoms * KK
C. two domains and three kingdoms
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D. two domains and five kingdoms
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Difficulty:
ModerateASM
KK K
Standard: N/A
KK KK
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. KK KK KK
Difficulty:
ModerateASM
KK K
Standard: 5
KK KK
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. KK KK KK KK KK KK KK KK
B. Phylogenies show all the common names for each species. KK KK KK KK KK KK KK KK
C. Phylogenies show evolutionary relatedness between organisms. * KK KK KK KK KK
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