TEST BANK II
Microbiology An Evolving Science, 5th Edition,
II II II II II II
John Foster & Joan Slonczewski, All Chapter 1 - 28
II II II II II II II II II
,
,CHAPTER 1: Microbial Life: Origin and Discovery
II II II II II II
MULTIPLE CHOICE
II
1. Viruses are: I
a. infectious agents that infect multi-cellular organisms I II I I II
b. noncellular particles that take over the metabolismof a cell to generate more virusparticles II I II II II I I II II II I II I I
c. pathogens that replicate in complex growth media I II I I II II
d. cellular particles that belong to the archaea domain II II I I II II I
e. microbes that consist of lipid membrane enclosed genomes I II II I I II II
ANS: B IDIF: I Easy REF: 1.1 IIIIII TOP: I.A | I.B I I II II
MSC: RememberingI I
2. Analysis of DNA sequences reveals: I II I II
a. the ancient convergence of two cell types, i.e., prokaryotes and eukaryotes
II I I II II I I II I II
b. prokaryotes and eukaryotes evolved from a common ancestral cell I II I II I II II II
c. that bacteria share common ancestor with archaea, but not with eukarya
II I I II I II II I II II
d. prokaryotes are cells with a nucleus I II II II II
e. the genome of Haemophilus influenzae has about 2 billion base pairs
I I II II II I II II I II
ANS: B IDIF: I Easy REF: 1.1 IIIIII TOP: I.A | I.B I I II II
MSC: RememberingI I
3. Which of these groups are considered to be microbes but NOT considered to be cells?
II I II II II II II II I II II II I II
a. viruses d. protists
b. bacteria e. filamentous fungi I
c. archaea
ANS: A IDIF: I Easy REF: 1.1 IIIIII TOP: I.A.i I I
MSC: RememberingI I
4. A microbe is commonly defined as:
II II I I II
a. a virus that requires a microscope to be seen
II I II I II I II II
b. a bacterium that requires a microscope to be seen
II I II II I II II II
c. a single-cellular prokaryote that requires a microscope to be seen
II II I II II II I II I
d. a multicellular eukaryote that requires a microscope to be seen
II II II II II II I I II
e. a living organism that requires a microscope to be seen
II II I I II II I II I
ANS: E IDIF: I Easy REF: 1.1 IIIIII TOP: I.A.i | I.A.ii
I I II II
MSC: RememberingI I
5. Which one of the following statements regarding microbial cells is NOT true?
II I I II I I I II II II II
a. Microbial cells acquire food, gain energy to build themselves, andrespond to I II II II II I II II II I I
environmental change. I
, b. Most single-celled organisms require a microscope to render them visible, but some
II II II II II I I II I I I
bacterial cells are large enough to be seen with naked eyes. II I II II I II II I II II
c. Microbes function as individual entities. II I I I
d. Many microbes formcomplex multicellular assemblages.
I I I II II
e. Viruses are not considered as microbial cells. I II II I II II
ANS: C I DIF: I Easy REF: 1.1 IIIIII TOP: I.A.i | I.A.ii
I I II II
MSC: Remembering
I I
6. Which of the following statements is FALSE?
II I I I II II
a. A genome is the total genetic information contained in an organism’s chromosomal DNA.
I I II II II I I II I II II II
b. If a microbe’s genome includes genes for nitrogenase, that microbe probably can fixnitrogen.
II II II II II I II I II II I I I
c. By comparing DNA sequences of different organisms, we can figure out how closely
I I II II II II I II II II II I
related they are. II I
d. Fred Sanger developed the first applicable DNA sequencing method.
II II II I I II I I
e. Fred Sanger completed the sequences of Haemophilus influenzae.
II II II I I II II
ANS: E I DIF: I Easy REF: 1.1 IIIIII TOP: I.B I I
MSC: Remembering
I I
7. The first cellular genomes to be sequenced were those of:
II II II II II II II I I
a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS: B I DIF: I Easy REF: 1.1 IIIIII TOP: I.B.i
I I
MSC: Remembering
I I
8. The environment of early Earth may have contained all of the following EXCEPT:
II II II I I II II I II II II I
a. ferrous iron d. oxygen
I
b. methane e. hydrogen gas I
c. ammonia
ANS: D I I DIF: Easy
REF: Special Topic 1.1TOP: II.D
II II II I I I
MSC: Remembering I I
9. The development of the theory of the ―RNA world‖ resulted from the discovery of:
II II II II I II II II II II I II I
a. archaea d. ribozymes
b. prions e. endosymbionts
c. bacteria
ANS: D I I DIF: Medium
REF: Special Topic 1.1TOP: II.D
II II II I I I
MSC: Remembering I I
10. Which microbes may resemble those ofthe earliest life forms?
II II I II I I II I II
a. archaea d. cyanobacteria
b. photosynthetic algae e. protists I
c. viruses
ANS: A I I DIF: Medium
REF: Special Topic 1.1TOP: II.D
II II II I I I
MSC: Remembering I I
11. Early metabolism may have been catalyzed by:
II I I II I II
a. DNA d. amino acids I
b. RNA e. carbohydrates
Microbiology An Evolving Science, 5th Edition,
II II II II II II
John Foster & Joan Slonczewski, All Chapter 1 - 28
II II II II II II II II II
,
,CHAPTER 1: Microbial Life: Origin and Discovery
II II II II II II
MULTIPLE CHOICE
II
1. Viruses are: I
a. infectious agents that infect multi-cellular organisms I II I I II
b. noncellular particles that take over the metabolismof a cell to generate more virusparticles II I II II II I I II II II I II I I
c. pathogens that replicate in complex growth media I II I I II II
d. cellular particles that belong to the archaea domain II II I I II II I
e. microbes that consist of lipid membrane enclosed genomes I II II I I II II
ANS: B IDIF: I Easy REF: 1.1 IIIIII TOP: I.A | I.B I I II II
MSC: RememberingI I
2. Analysis of DNA sequences reveals: I II I II
a. the ancient convergence of two cell types, i.e., prokaryotes and eukaryotes
II I I II II I I II I II
b. prokaryotes and eukaryotes evolved from a common ancestral cell I II I II I II II II
c. that bacteria share common ancestor with archaea, but not with eukarya
II I I II I II II I II II
d. prokaryotes are cells with a nucleus I II II II II
e. the genome of Haemophilus influenzae has about 2 billion base pairs
I I II II II I II II I II
ANS: B IDIF: I Easy REF: 1.1 IIIIII TOP: I.A | I.B I I II II
MSC: RememberingI I
3. Which of these groups are considered to be microbes but NOT considered to be cells?
II I II II II II II II I II II II I II
a. viruses d. protists
b. bacteria e. filamentous fungi I
c. archaea
ANS: A IDIF: I Easy REF: 1.1 IIIIII TOP: I.A.i I I
MSC: RememberingI I
4. A microbe is commonly defined as:
II II I I II
a. a virus that requires a microscope to be seen
II I II I II I II II
b. a bacterium that requires a microscope to be seen
II I II II I II II II
c. a single-cellular prokaryote that requires a microscope to be seen
II II I II II II I II I
d. a multicellular eukaryote that requires a microscope to be seen
II II II II II II I I II
e. a living organism that requires a microscope to be seen
II II I I II II I II I
ANS: E IDIF: I Easy REF: 1.1 IIIIII TOP: I.A.i | I.A.ii
I I II II
MSC: RememberingI I
5. Which one of the following statements regarding microbial cells is NOT true?
II I I II I I I II II II II
a. Microbial cells acquire food, gain energy to build themselves, andrespond to I II II II II I II II II I I
environmental change. I
, b. Most single-celled organisms require a microscope to render them visible, but some
II II II II II I I II I I I
bacterial cells are large enough to be seen with naked eyes. II I II II I II II I II II
c. Microbes function as individual entities. II I I I
d. Many microbes formcomplex multicellular assemblages.
I I I II II
e. Viruses are not considered as microbial cells. I II II I II II
ANS: C I DIF: I Easy REF: 1.1 IIIIII TOP: I.A.i | I.A.ii
I I II II
MSC: Remembering
I I
6. Which of the following statements is FALSE?
II I I I II II
a. A genome is the total genetic information contained in an organism’s chromosomal DNA.
I I II II II I I II I II II II
b. If a microbe’s genome includes genes for nitrogenase, that microbe probably can fixnitrogen.
II II II II II I II I II II I I I
c. By comparing DNA sequences of different organisms, we can figure out how closely
I I II II II II I II II II II I
related they are. II I
d. Fred Sanger developed the first applicable DNA sequencing method.
II II II I I II I I
e. Fred Sanger completed the sequences of Haemophilus influenzae.
II II II I I II II
ANS: E I DIF: I Easy REF: 1.1 IIIIII TOP: I.B I I
MSC: Remembering
I I
7. The first cellular genomes to be sequenced were those of:
II II II II II II II I I
a. humans d. prions
b. bacteria e. fungi
c. viruses
ANS: B I DIF: I Easy REF: 1.1 IIIIII TOP: I.B.i
I I
MSC: Remembering
I I
8. The environment of early Earth may have contained all of the following EXCEPT:
II II II I I II II I II II II I
a. ferrous iron d. oxygen
I
b. methane e. hydrogen gas I
c. ammonia
ANS: D I I DIF: Easy
REF: Special Topic 1.1TOP: II.D
II II II I I I
MSC: Remembering I I
9. The development of the theory of the ―RNA world‖ resulted from the discovery of:
II II II II I II II II II II I II I
a. archaea d. ribozymes
b. prions e. endosymbionts
c. bacteria
ANS: D I I DIF: Medium
REF: Special Topic 1.1TOP: II.D
II II II I I I
MSC: Remembering I I
10. Which microbes may resemble those ofthe earliest life forms?
II II I II I I II I II
a. archaea d. cyanobacteria
b. photosynthetic algae e. protists I
c. viruses
ANS: A I I DIF: Medium
REF: Special Topic 1.1TOP: II.D
II II II I I I
MSC: Remembering I I
11. Early metabolism may have been catalyzed by:
II I I II I II
a. DNA d. amino acids I
b. RNA e. carbohydrates
