Chapter 10 Classification of Microorganisms
10.1 Multiple-Choice Questions
1) Which of the following statements about archaea is FALSE? A) They are prokaryotes.
B) They lack peptidoglycan in their cell walls.
C) Some are thermoacidophiles; others are extreme halophiles. D) They evolved before
bacteria.
E) Some produce methane from carbon dioxide and hydrogen. Answer: D
Section: 10.1
Bloom's Taxonomy: Remembering
ASMcue Outcome: 2.3
Learning Outcome: 10.5
Global Outcome: 7
2) Which of the following characterizes the Domain Bacteria? A) prokaryotic cells; ether
linkages in phospholipids
B) eukaryotic cells; ester linkages in phospholipids C) prokaryotic cells; ester linkages in
phospholipids D) complex cellular structures
E) multicellular
Answer: C Section: 10.1
Bloom's Taxonomy: Remembering
ASMcue Outcome: 2.2
Learning Outcome: 10.5
Global Outcome: 7
3) If two organisms have similar rRNA sequences, you can conclude that they
A) live in the same place.
B) evolved from a common ancestor. C) will have different G-C ratios.
D) will both ferment lactose. E) mated with each other. Answer: B
Section: 10.1
Bloom's Taxonomy: Understanding
ASMcue Outcome: 1.5
Learning Outcome: 10.3
Global Outcome: 7
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4) What is the outstanding characteristic of the Kingdom Fungi? A) All members are
photosynthetic.
B) Members absorb dissolved organic matter. C) Members absorb dissolved inorganic matter.
D) All members are microscopic.
E) All members are macroscopic. Answer: B
Section: 10.2
Bloom's Taxonomy: Analyzing
ASMcue Outcome: 2.4
Learning Outcome: 10.9
5) Which of the following statements about members of the Kingdom Plantae is FALSE? A)
They are multicellular.
B) They are composed of eukaryotic cells. C) They undergo photosynthesis.
D) They use organic carbon sources.
E) They synthesize organic molecules. Answer: D
Section: 10.2
Bloom's Taxonomy: Remembering
Learning Outcome: 10.9
6) Which of the following statements about the members of the Kingdom Animalia is
FALSE? A) They are multicellular.
B) They are composed of eukaryotic cells. C) They undergo photosynthesis.
D) They ingest nutrients through a mouth. E) They are heterotrophs.
Answer: C Section: 10.2
Bloom's Taxonomy: Remembering
Learning Outcome: 10.9
7) A genus can best be defined as
A) a taxon composed of families.
B) a taxon composed of one or more species and a classification level lying below family. C)
a taxon belonging to a species.
D) a taxon comprised of classes. E) the most specific taxon. Answer: B
Section: 10.2
Bloom's Taxonomy: Understanding
Learning Outcome: 10.6
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8) A bacterial species differs from a species of eukaryotic organisms in that a bacterial
species
A) does not breed with other species.
B) has a limited geographical distribution.
C) can be distinguished from other bacterial species. D) is a population of cells with similar
characteristics. E) breeds with its own species.
Answer: D Section: 10.2
Bloom's Taxonomy: Remembering
ASMcue Outcome: 1.4
Learning Outcome: 10.11
9) Which of the following is the best evidence for a three-domain system? A) Nucleotide
sequences in ribosomal RNA vary between all three domains. B) There are three distinctly
different sets of metabolic reactions.
C) There are three distinctly different Gram reactions. D) Some bacteria live in extreme
environments.
E) There are three distinctly different types of nuclei.
Answer: A Section: 10.1
Bloom's Taxonomy: Understanding
ASMcue Outcome: 1.5
Learning Outcome: 10.4
Global Outcome: 7
10) A biochemical test, in the microbiology world, is used to determine
A) staining characteristics.
B) amino acid sequences of enzymes.
C) nucleic acid-base composition of DNA sequences.
D) capability of a microbe to perform a specific enzymatic activity. E) All of the answers are
correct.
Answer: D Section: 10.3
Bloom's Taxonomy: Understanding
ASMcue Outcome: 8.3
Learning Outcome: 10.14
11) Which of the following is NOT based on nucleic-acid hybridization? A) DNA chip
B) FISH C) PCR
D) Southern blotting
E) Western blotting
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10.1 Multiple-Choice Questions
1) Which of the following statements about archaea is FALSE? A) They are prokaryotes.
B) They lack peptidoglycan in their cell walls.
C) Some are thermoacidophiles; others are extreme halophiles. D) They evolved before
bacteria.
E) Some produce methane from carbon dioxide and hydrogen. Answer: D
Section: 10.1
Bloom's Taxonomy: Remembering
ASMcue Outcome: 2.3
Learning Outcome: 10.5
Global Outcome: 7
2) Which of the following characterizes the Domain Bacteria? A) prokaryotic cells; ether
linkages in phospholipids
B) eukaryotic cells; ester linkages in phospholipids C) prokaryotic cells; ester linkages in
phospholipids D) complex cellular structures
E) multicellular
Answer: C Section: 10.1
Bloom's Taxonomy: Remembering
ASMcue Outcome: 2.2
Learning Outcome: 10.5
Global Outcome: 7
3) If two organisms have similar rRNA sequences, you can conclude that they
A) live in the same place.
B) evolved from a common ancestor. C) will have different G-C ratios.
D) will both ferment lactose. E) mated with each other. Answer: B
Section: 10.1
Bloom's Taxonomy: Understanding
ASMcue Outcome: 1.5
Learning Outcome: 10.3
Global Outcome: 7
176
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4) What is the outstanding characteristic of the Kingdom Fungi? A) All members are
photosynthetic.
B) Members absorb dissolved organic matter. C) Members absorb dissolved inorganic matter.
D) All members are microscopic.
E) All members are macroscopic. Answer: B
Section: 10.2
Bloom's Taxonomy: Analyzing
ASMcue Outcome: 2.4
Learning Outcome: 10.9
5) Which of the following statements about members of the Kingdom Plantae is FALSE? A)
They are multicellular.
B) They are composed of eukaryotic cells. C) They undergo photosynthesis.
D) They use organic carbon sources.
E) They synthesize organic molecules. Answer: D
Section: 10.2
Bloom's Taxonomy: Remembering
Learning Outcome: 10.9
6) Which of the following statements about the members of the Kingdom Animalia is
FALSE? A) They are multicellular.
B) They are composed of eukaryotic cells. C) They undergo photosynthesis.
D) They ingest nutrients through a mouth. E) They are heterotrophs.
Answer: C Section: 10.2
Bloom's Taxonomy: Remembering
Learning Outcome: 10.9
7) A genus can best be defined as
A) a taxon composed of families.
B) a taxon composed of one or more species and a classification level lying below family. C)
a taxon belonging to a species.
D) a taxon comprised of classes. E) the most specific taxon. Answer: B
Section: 10.2
Bloom's Taxonomy: Understanding
Learning Outcome: 10.6
177
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8) A bacterial species differs from a species of eukaryotic organisms in that a bacterial
species
A) does not breed with other species.
B) has a limited geographical distribution.
C) can be distinguished from other bacterial species. D) is a population of cells with similar
characteristics. E) breeds with its own species.
Answer: D Section: 10.2
Bloom's Taxonomy: Remembering
ASMcue Outcome: 1.4
Learning Outcome: 10.11
9) Which of the following is the best evidence for a three-domain system? A) Nucleotide
sequences in ribosomal RNA vary between all three domains. B) There are three distinctly
different sets of metabolic reactions.
C) There are three distinctly different Gram reactions. D) Some bacteria live in extreme
environments.
E) There are three distinctly different types of nuclei.
Answer: A Section: 10.1
Bloom's Taxonomy: Understanding
ASMcue Outcome: 1.5
Learning Outcome: 10.4
Global Outcome: 7
10) A biochemical test, in the microbiology world, is used to determine
A) staining characteristics.
B) amino acid sequences of enzymes.
C) nucleic acid-base composition of DNA sequences.
D) capability of a microbe to perform a specific enzymatic activity. E) All of the answers are
correct.
Answer: D Section: 10.3
Bloom's Taxonomy: Understanding
ASMcue Outcome: 8.3
Learning Outcome: 10.14
11) Which of the following is NOT based on nucleic-acid hybridization? A) DNA chip
B) FISH C) PCR
D) Southern blotting
E) Western blotting
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