BESTLEC
TEST BANK
Microbiology An Evolving Science, 6th Ed.
By John Foster, Erik R. Zinser & Joan Slonczewski.
All Chapters Covered| 100% Verified Answers| ISBN-13 978-1324033523| 2025
TEST BANK
C
LE
ST
BE
,BESTLEC
CHAPTER 1: Microbial Life: Origin and Discovery
MULTIPLE CHOICE
1. Viruses are:
a. infectious agents that infect multi-cellular organisms
b. noncellular particles that take over the metabolism of a cell to generate more virus
particles
c. pathogens that replicate in complex growth media
d. cellular particles that belong to the archaea domain
e. microbes that consist of lipid membrane enclosed genomes
CORRECT ANSWER: B
C
DIF: Easy REF: 1.1 TOP: I.A | I.B
MSC: Remembering
LE
2. Analysis of DNA sequences reveals:
ST
a. the ancient convergence of two cell types, i.e., prokaryotes and eukaryotes
b. prokaryotes and eukaryotes evolved from a common ancestral cell
c. that bacteria share common ancestor with archaea, but not with eukarya
BE
d. prokaryotes are cells with a nucleus
e. the genome of Haemophilus influenzae has about 2 billion base pairs
CORRECT ANSWER: B
DIF: Easy REF: 1.1 TOP: I.A | I.B
MSC: Remembering
3. Which of these groups are considered to be microbes but NOT considered to be cells?
a. viruses d. protists
b. bacteria
e. filamentous fungi
c. archaea
,BESTLEC
CORRECT ANSWER: A
DIF: Easy REF: 1.1 TOP: I.A.i
MSC: Remembering
4. A microbe is commonly defined as:
a. a virus that requires a microscope to be seen
b. a bacterium that requires a microscope to be seen
c. a single-cellular prokaryote that requires a microscope to be seen
d. a multicellular eukaryote that requires a microscope to be seen
e. a living organism that requires a microscope to be seen
C
CORRECT ANSWER: E
DIF: Easy REF: 1.1 TOP: I.A.i | I.A.ii
LE
MSC: Remembering
5. Which one of the following statements regarding microbial cells is NOT true?
ST
a. Microbial cells acquire food, gain energy to build themselves, and respond to
environmental change.
BE
b. Most single-celled organisms require a microscope to render them visible, but some
bacterial cells are large enough to be seen with naked eyes.
c. Microbes function as individual entities.
d. Many microbes form complex multicellular assemblages.
e. Viruses are not considered as microbial cells.
CORRECT ANSWER: C
DIF: Easy REF: 1.1 TOP: I.A.i | I.A.ii
MSC: Remembering
6. Which of the following statements is FALSE?
, BESTLEC
a. A genome is the total genetic information contained in an organism’s chromosomal DNA.
b. If a microbe’s genome includes genes for nitrogenase, that microbe probably can fix
nitrogen.
c. By comparing DNA sequences of different organisms, we can figure out how closely
related they are.
d. Fred Sanger developed the first applicable DNA sequencing method.
e. Fred Sanger completed the sequences of Haemophilus influenzae.
CORRECT ANSWER: E
DIF: Easy REF: 1.1 TOP: I.B
MSC: Remembering
C
7. The first cellular genomes to be sequenced were those of:
a.
d.
humans
prions
LE
b. bacteria
ST
e. fungi
c. viruses
CORRECT ANSWER: B
BE
DIF: Easy REF: 1.1 TOP: I.B.i
MSC: Remembering
8. The environment of early Earth may have contained all of the following EXCEPT:
a. ferrous iron
d. oxygen
b. methane
e. hydrogen gas
c. ammonia
CORRECT ANSWER: D DIF: Easy REF: Special Topic 1.1 TOP: II.D MSC:
Remembering
TEST BANK
Microbiology An Evolving Science, 6th Ed.
By John Foster, Erik R. Zinser & Joan Slonczewski.
All Chapters Covered| 100% Verified Answers| ISBN-13 978-1324033523| 2025
TEST BANK
C
LE
ST
BE
,BESTLEC
CHAPTER 1: Microbial Life: Origin and Discovery
MULTIPLE CHOICE
1. Viruses are:
a. infectious agents that infect multi-cellular organisms
b. noncellular particles that take over the metabolism of a cell to generate more virus
particles
c. pathogens that replicate in complex growth media
d. cellular particles that belong to the archaea domain
e. microbes that consist of lipid membrane enclosed genomes
CORRECT ANSWER: B
C
DIF: Easy REF: 1.1 TOP: I.A | I.B
MSC: Remembering
LE
2. Analysis of DNA sequences reveals:
ST
a. the ancient convergence of two cell types, i.e., prokaryotes and eukaryotes
b. prokaryotes and eukaryotes evolved from a common ancestral cell
c. that bacteria share common ancestor with archaea, but not with eukarya
BE
d. prokaryotes are cells with a nucleus
e. the genome of Haemophilus influenzae has about 2 billion base pairs
CORRECT ANSWER: B
DIF: Easy REF: 1.1 TOP: I.A | I.B
MSC: Remembering
3. Which of these groups are considered to be microbes but NOT considered to be cells?
a. viruses d. protists
b. bacteria
e. filamentous fungi
c. archaea
,BESTLEC
CORRECT ANSWER: A
DIF: Easy REF: 1.1 TOP: I.A.i
MSC: Remembering
4. A microbe is commonly defined as:
a. a virus that requires a microscope to be seen
b. a bacterium that requires a microscope to be seen
c. a single-cellular prokaryote that requires a microscope to be seen
d. a multicellular eukaryote that requires a microscope to be seen
e. a living organism that requires a microscope to be seen
C
CORRECT ANSWER: E
DIF: Easy REF: 1.1 TOP: I.A.i | I.A.ii
LE
MSC: Remembering
5. Which one of the following statements regarding microbial cells is NOT true?
ST
a. Microbial cells acquire food, gain energy to build themselves, and respond to
environmental change.
BE
b. Most single-celled organisms require a microscope to render them visible, but some
bacterial cells are large enough to be seen with naked eyes.
c. Microbes function as individual entities.
d. Many microbes form complex multicellular assemblages.
e. Viruses are not considered as microbial cells.
CORRECT ANSWER: C
DIF: Easy REF: 1.1 TOP: I.A.i | I.A.ii
MSC: Remembering
6. Which of the following statements is FALSE?
, BESTLEC
a. A genome is the total genetic information contained in an organism’s chromosomal DNA.
b. If a microbe’s genome includes genes for nitrogenase, that microbe probably can fix
nitrogen.
c. By comparing DNA sequences of different organisms, we can figure out how closely
related they are.
d. Fred Sanger developed the first applicable DNA sequencing method.
e. Fred Sanger completed the sequences of Haemophilus influenzae.
CORRECT ANSWER: E
DIF: Easy REF: 1.1 TOP: I.B
MSC: Remembering
C
7. The first cellular genomes to be sequenced were those of:
a.
d.
humans
prions
LE
b. bacteria
ST
e. fungi
c. viruses
CORRECT ANSWER: B
BE
DIF: Easy REF: 1.1 TOP: I.B.i
MSC: Remembering
8. The environment of early Earth may have contained all of the following EXCEPT:
a. ferrous iron
d. oxygen
b. methane
e. hydrogen gas
c. ammonia
CORRECT ANSWER: D DIF: Easy REF: Special Topic 1.1 TOP: II.D MSC:
Remembering
