OPENSTAX MICROBIOLOGY TEST BANK OpenStax f f f f f
f Microbiology THIS TEST BANK COVERS ALL CHAPTERS f f f f f f f
1-26 OF THE BOOK, Answered f f f f
Chapter 1: An Invisible World f f f f
* = Correct answer
f f f
Multiple Choice
f f
1. Which of the following is true of the microbial world?
f f f f f f f f f
A. All microbes are harmful.
f f f
B. Humans could survive without microbes. f f f f
C. Many microbes are helpful.* f f f
D. Most microbes are pathogenic. f f f
Difficulty: Easy f
ASM Standard: 23, 24
f f f
2. Which of the following is when humans first suspected the existence of microbes?
f f f f f f f f f f f f
A. during the Industrial Revolution f f f
B. in prehistoric times*
f f
C. in the last century
f f f
D. within the last 500 years f f f f
Difficulty: Easy f
ASM Standard: 23
f f f
3. Which individual first observed unicellular organisms, which he called
f f f f f f f f
“animalcules,” using a microscope he developed?
f f f f f f
A. Robert Koch f
B. Louis Pasteur f
C. Thucydides
D. Antonie van Leeuwenhoek* f f
Difficulty: Easy f
ASM Standard: 6
f f f
4. To reduce the risk of open flame from Bunsen burners, microbiologists are
f f f f f f f f f f f
increasingly using which of the following devices for easy, rapid benchtop
f f f f f f f f f f f
sterilization of small pieces of equipment?
f f f f f f
A. autoclaves
B. ethylene oxide f
C. incubators
D. microincinerators*
Difficulty: Easy f
ASM Standard: 36
f f f
,5. The Swedish botanist known for having developed an important biological
f f f f f f f f f
classification system is which of the following people?
f f f f f f f f
A. Ernst Haeckel f
B. Carolus Linnaeus* f
C. Louis Pasteur f
D. Robert Whittaker f
Difficulty: Easy f
ASM Standard: N/A
f f f
6. Which kingdom was the only one found in Empire Prokaryota?
f f f f f f f f f
A. Animalia
B. Fungi
C. Monera*
D. Protista
Difficulty: Easy f
ASM Standard: N/A
f f f
7. Which are the three currently accepted domains?
f f f f f f
A. Archaea, Bacteria, and Eukarya* f f f
B. Archaea, Prokaryota, and Eukaryota f f f
C. Bacteria, Fungi, and Protista f f f
D. Bacteria, Prokaryota, and Eukarya f f f
Difficulty: Easy f
ASM Standard: N/A
f f f
8. Which two taxonomic units are typically used to identify an organism when using
f f f f f f f f f f f f
binomial nomenclature?
f f
A. domain and kingdom f f
B. genus and family f f
C. genus and species* f f
D. phylum and class f f
Difficulty: Easy f
ASM Standard: N/A
f f f
9. Which of the following is not true about the process of fermentation?
f f f f f f f f f f f
A. It can help preserve foods, preventing spoilage.
f f f f f f
B. It converts sugars to organic acids, alcohols, and/or gases such as carbon dioxide.
f f f f f f f f f f f f
C. It is carried out exclusively by unicellular eukaryotes such as yeast.*
f f f f f f f f f f
D. It is used to make foods such as cheese and bread.
f f f f f f f f f f
Difficulty: Moderate f
ASM Standard: 11, 23, 26
f f f f
,10. The Romans may have reduced their risk of waterborne infectious diseases by using
f f f f f f f f f f f f
fwhich of the following?
f f f
A. a variety of pharmaceutical products
f f f f
B. aqueducts and a sewer system* f f f f
C. prophylactic antibiotics f
D. quarantine of people with leprosy f f f f
Difficulty: Moderate f
ASM Standard: 23
f f f
11. For which of the following is Thucydides known?
f f f f f f f
A. developing an effective sewer system in ancient Greece, helping to reduce f f f f f f f f f f
flevels of disease in cities
f f f f
B. observing microbes, using a microscope, for the first time, even distinguishing
f f f f f f f f f f
fbetween bacteria and fungi f f f
C. proposing that disease was caused by microorganisms f f f f f f
D. realizing that people who had been infected by the Athenian plague had
f f f f f f f f f f f
fimmunity to reinfection* f f
Difficulty: Moderate f
ASMStandard: 23, 31
f f f f
12. Ernst Haeckel proposed a classification system consisting of which of the
f f f f f f f f f f
ffollowing subgroups? f
A. five kingdoms f
B. four kingdoms* f
C. two domains and three kingdoms
f f f f
D. two domains and five kingdoms
f f f f
Difficulty: Moderate f
ASM Standard: N/A
f f f
13. Viruses not included in phylogenetic trees for which of the following reasons?
f f f f f f f f f f f
A. It is too difficult to observe their characteristics.
f f f f f f f
B. They are acellular and nonliving.*
f f f f
C. They do not have any genes, which prevents genetic analysis.
f f f f f f f f f
D. They lack a nucleus. f f f
Difficulty: Moderate f
ASM Standard: 5
f f f
14. Which is the best description of the primary purpose of a phylogeny?
f f f f f f f f f f f
A. Phylogenies show all the alterative names for each species. f f f f f f f f
B. Phylogenies show all the common names for each species. f f f f f f f f
C. Phylogenies show evolutionary relatedness between organisms.* f f f f f
, D. Phylogenies show interactions between species in a shared habitat. f f f f f f f f
Difficulty: Moderate f
ASM Standard: 5
f f f
15. Current phylogenetic analyses include which of the following?
f f f f f f f
A. information from a range of sources, including morphological, genetic, and
f f f f f f f f f
fbiochemical data* f
B. information on visible similarities only f f f f
C. information regarding how to classify organisms on the basis of external
f f f f f f f f f f
fmorphological characteristics and visible behaviors f f f f
D. varied morphological and structural characteristics, with preference for leaving
f f f f f f f f
fhistorical classifications to prevent confusion
f f f f
Difficulty: Moderate f
ASM Standard: 5
f f f
16. Diatoms are classified within which of the following domains?
f f f f f f f f
A. Archaea
B. Bacteria
C. Eukarya*
D. Prokaryota
Difficulty: Moderate f
ASM Standard: N/A
f f f
17. Horizontal gene transfer involves which of the following?
f f f f f f f
A. any transfer of genes in a laboratory setting
f f f f f f f
B. the transfer of genes from a virus to a bacterium or vice versa but not any
f f f f f f f f f f f f f f f
fother form of gene transfer
f f f f
C. the transfer of genes from one individual to another, including from one
f f f f f f f f f f f
fspecies to another, but not from parent to offspring*
f f f f f f f f
D. the transfer of genes from parent to offspring
f f f f f f f
Difficulty: Moderate f
ASM Standard: 2, 4
f f f f
18. Bacteria are generally identified to species by using which of the following?
f f f f f f f f f f f
A. a combination of genetic, biochemical, and microscopic approaches*
f f f f f f f
B. a combination of microscopic and physiological approaches, but not genetics
f f f f f f f f f
C. primarily characteristics such as motility that can be visualized using microscopy
f f f f f f f f f f
D. primarily morphological characteristics of individual cells
f f f f f
Difficulty: Moderate f
ASMStandard: 34, 36
f f f f
f Microbiology THIS TEST BANK COVERS ALL CHAPTERS f f f f f f f
1-26 OF THE BOOK, Answered f f f f
Chapter 1: An Invisible World f f f f
* = Correct answer
f f f
Multiple Choice
f f
1. Which of the following is true of the microbial world?
f f f f f f f f f
A. All microbes are harmful.
f f f
B. Humans could survive without microbes. f f f f
C. Many microbes are helpful.* f f f
D. Most microbes are pathogenic. f f f
Difficulty: Easy f
ASM Standard: 23, 24
f f f
2. Which of the following is when humans first suspected the existence of microbes?
f f f f f f f f f f f f
A. during the Industrial Revolution f f f
B. in prehistoric times*
f f
C. in the last century
f f f
D. within the last 500 years f f f f
Difficulty: Easy f
ASM Standard: 23
f f f
3. Which individual first observed unicellular organisms, which he called
f f f f f f f f
“animalcules,” using a microscope he developed?
f f f f f f
A. Robert Koch f
B. Louis Pasteur f
C. Thucydides
D. Antonie van Leeuwenhoek* f f
Difficulty: Easy f
ASM Standard: 6
f f f
4. To reduce the risk of open flame from Bunsen burners, microbiologists are
f f f f f f f f f f f
increasingly using which of the following devices for easy, rapid benchtop
f f f f f f f f f f f
sterilization of small pieces of equipment?
f f f f f f
A. autoclaves
B. ethylene oxide f
C. incubators
D. microincinerators*
Difficulty: Easy f
ASM Standard: 36
f f f
,5. The Swedish botanist known for having developed an important biological
f f f f f f f f f
classification system is which of the following people?
f f f f f f f f
A. Ernst Haeckel f
B. Carolus Linnaeus* f
C. Louis Pasteur f
D. Robert Whittaker f
Difficulty: Easy f
ASM Standard: N/A
f f f
6. Which kingdom was the only one found in Empire Prokaryota?
f f f f f f f f f
A. Animalia
B. Fungi
C. Monera*
D. Protista
Difficulty: Easy f
ASM Standard: N/A
f f f
7. Which are the three currently accepted domains?
f f f f f f
A. Archaea, Bacteria, and Eukarya* f f f
B. Archaea, Prokaryota, and Eukaryota f f f
C. Bacteria, Fungi, and Protista f f f
D. Bacteria, Prokaryota, and Eukarya f f f
Difficulty: Easy f
ASM Standard: N/A
f f f
8. Which two taxonomic units are typically used to identify an organism when using
f f f f f f f f f f f f
binomial nomenclature?
f f
A. domain and kingdom f f
B. genus and family f f
C. genus and species* f f
D. phylum and class f f
Difficulty: Easy f
ASM Standard: N/A
f f f
9. Which of the following is not true about the process of fermentation?
f f f f f f f f f f f
A. It can help preserve foods, preventing spoilage.
f f f f f f
B. It converts sugars to organic acids, alcohols, and/or gases such as carbon dioxide.
f f f f f f f f f f f f
C. It is carried out exclusively by unicellular eukaryotes such as yeast.*
f f f f f f f f f f
D. It is used to make foods such as cheese and bread.
f f f f f f f f f f
Difficulty: Moderate f
ASM Standard: 11, 23, 26
f f f f
,10. The Romans may have reduced their risk of waterborne infectious diseases by using
f f f f f f f f f f f f
fwhich of the following?
f f f
A. a variety of pharmaceutical products
f f f f
B. aqueducts and a sewer system* f f f f
C. prophylactic antibiotics f
D. quarantine of people with leprosy f f f f
Difficulty: Moderate f
ASM Standard: 23
f f f
11. For which of the following is Thucydides known?
f f f f f f f
A. developing an effective sewer system in ancient Greece, helping to reduce f f f f f f f f f f
flevels of disease in cities
f f f f
B. observing microbes, using a microscope, for the first time, even distinguishing
f f f f f f f f f f
fbetween bacteria and fungi f f f
C. proposing that disease was caused by microorganisms f f f f f f
D. realizing that people who had been infected by the Athenian plague had
f f f f f f f f f f f
fimmunity to reinfection* f f
Difficulty: Moderate f
ASMStandard: 23, 31
f f f f
12. Ernst Haeckel proposed a classification system consisting of which of the
f f f f f f f f f f
ffollowing subgroups? f
A. five kingdoms f
B. four kingdoms* f
C. two domains and three kingdoms
f f f f
D. two domains and five kingdoms
f f f f
Difficulty: Moderate f
ASM Standard: N/A
f f f
13. Viruses not included in phylogenetic trees for which of the following reasons?
f f f f f f f f f f f
A. It is too difficult to observe their characteristics.
f f f f f f f
B. They are acellular and nonliving.*
f f f f
C. They do not have any genes, which prevents genetic analysis.
f f f f f f f f f
D. They lack a nucleus. f f f
Difficulty: Moderate f
ASM Standard: 5
f f f
14. Which is the best description of the primary purpose of a phylogeny?
f f f f f f f f f f f
A. Phylogenies show all the alterative names for each species. f f f f f f f f
B. Phylogenies show all the common names for each species. f f f f f f f f
C. Phylogenies show evolutionary relatedness between organisms.* f f f f f
, D. Phylogenies show interactions between species in a shared habitat. f f f f f f f f
Difficulty: Moderate f
ASM Standard: 5
f f f
15. Current phylogenetic analyses include which of the following?
f f f f f f f
A. information from a range of sources, including morphological, genetic, and
f f f f f f f f f
fbiochemical data* f
B. information on visible similarities only f f f f
C. information regarding how to classify organisms on the basis of external
f f f f f f f f f f
fmorphological characteristics and visible behaviors f f f f
D. varied morphological and structural characteristics, with preference for leaving
f f f f f f f f
fhistorical classifications to prevent confusion
f f f f
Difficulty: Moderate f
ASM Standard: 5
f f f
16. Diatoms are classified within which of the following domains?
f f f f f f f f
A. Archaea
B. Bacteria
C. Eukarya*
D. Prokaryota
Difficulty: Moderate f
ASM Standard: N/A
f f f
17. Horizontal gene transfer involves which of the following?
f f f f f f f
A. any transfer of genes in a laboratory setting
f f f f f f f
B. the transfer of genes from a virus to a bacterium or vice versa but not any
f f f f f f f f f f f f f f f
fother form of gene transfer
f f f f
C. the transfer of genes from one individual to another, including from one
f f f f f f f f f f f
fspecies to another, but not from parent to offspring*
f f f f f f f f
D. the transfer of genes from parent to offspring
f f f f f f f
Difficulty: Moderate f
ASM Standard: 2, 4
f f f f
18. Bacteria are generally identified to species by using which of the following?
f f f f f f f f f f f
A. a combination of genetic, biochemical, and microscopic approaches*
f f f f f f f
B. a combination of microscopic and physiological approaches, but not genetics
f f f f f f f f f
C. primarily characteristics such as motility that can be visualized using microscopy
f f f f f f f f f f
D. primarily morphological characteristics of individual cells
f f f f f
Difficulty: Moderate f
ASMStandard: 34, 36
f f f f
