BIOL 2030 OpenStax Microbiology Test Bank Chapter 4: Prokaryotic Diversity
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Course
BIOL 2030 (BIOL2030)
Institution
South University
. The term prokaryotes refers to which of the following?
A. very small organisms
B. unicellular organisms that have no nucleus
C. multicellular organisms
D. cells that resemble animal cells more than plant cells
Answer
B
2. The term microbiota refers to which of the following?
A. all microo...
biol 2030 openstax microbiology test bank chapter 4 prokaryotic diversity
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OpenStax Microbiology
Chapter 4: Prokaryotic Diversity
OpenStax Microbiology
Chapter 4: Prokaryotic Diversity
Multiple Choice
1. The term prokaryotes refers to which of the following?
A. very small organisms
B. unicellular organisms that have no nucleus
C. multicellular organisms
D. cells that resemble animal cells more than plant cells
Answer
B
2. The term microbiota refers to which of the following?
A. all microorganisms of the same species
B. all of the microorganisms involved in a symbiotic relationship
C. all microorganisms in a certain region of the human body
D. all microorganisms in a certain geographic region
Answer
C
3. Which of the following refers to the type of interaction between two prokaryotic populations
in which one population benefits and the other is not affected?
A. mutualism
B. commensalism
C. parasitism
D. neutralism
Answer
B
4. Which of the following describes Proteobacteria in domain Bacteria?
A. phylum
B. class
C. species
D. genus
Answer
A
5. All Alphaproteobacteria are which of the following?
A. oligotrophs
B. intracellular
C. pathogenic
D. all of the above
E. none of the above
Answer
A
6. Class Betaproteobacteria includes all but which of the following genera?
A. Neisseria.
B. Bordetella.
C. Leptothrix.
D. Campylobacter.
Answer
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,OpenStax Microbiology
Chapter 4: Prokaryotic Diversity
D
7. Haemophilus influenzae is a common cause of which of the following?
A. influenza
B. dysentery
C. upper respiratory tract infections
D. hemophilia
Answer
C
8. Which of the following is the organelle that spirochetes use to propel themselves?
A. plasma membrane
B. axial filament
C. pilum
D. fimbria
Answer
B
9. Which of the following bacteria are the most prevalent in the human gut?
A. cyanobacteria
B. staphylococci
C. Borrelia
D. Bacteroides
Answer
D
10. Which of the following refers to photosynthesis performed by bacteria with the use of water
as the donor of electrons?
A. oxygenic
B. anoxygenic
C. heterotrophic
D. phototrophic
Answer
A
11. Which of the following bacterial species is classified as high G+C gram-positive?
A. Corynebacterium diphtheriae
B. Staphylococcus aureus
C. Bacillus anthracis
D. Streptococcus pneumonia
Answer
A
12. The term “deeply branching” refers to which of the following?
A the cellular shape of deeply branching bacteria
B the position in the evolutionary tree of deeply branching bacteria
C the ability of deeply branching bacteria to live in deep ocean waters
D the pattern of growth in culture of deeply branching bacteria
Answer
B
13. Which of these deeply branching bacteria is considered a polyextremophile?
A. Aquifex pyrophilus
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, OpenStax Microbiology
Chapter 4: Prokaryotic Diversity
B. Deinococcus radiodurans
C. Staphylococcus aureus
D. Mycobacterium tuberculosis
Answer
B
14. Archaea and Bacteria are most similar in terms of their ________.
A. genetics
B. cell wall structure
C. ecology
D. unicellular structure
Answer
D
15. Which of the following is true of archaea that produce methane?
A. They reduce carbon dioxide in the presence of nitrogen.
B. They live in the most extreme environments.
C. They are always anaerobes.
D. They have been discovered on Mars.
Answer
B
True/False
16. Among prokaryotes, there are some that can live in every environment on earth.
Answer
True
Fill-in-the-Blank
17. When prokaryotes live as interacting communities in which one population benefits to the
harm of the other, the type of symbiosis is called________.
Answer
parasitism
18. The domain ________ does not include prokaryotes.
Answer
Eukarya
19. Pathogenic bacteria that are part of the transient microbiota can sometimes be eliminated by
________therapy.
Answer
antibiotic
20. Nitrogen-fixing bacteria provide other organisms with usable nitrogen in the form of
________.
Answer
ammonia
21. Rickettsias are ________ intracellular bacteria.
Answer
obligate
22. The species ________, which belongs to Epsilonproteobacteria, causes peptic ulcers of the
stomach and duodenum.
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