John
Fost
er &
Joan
Slonc
zews
ki,
,All Chapter 1 - 28
,
, 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
ANS: B DIF: Easy REF:u1.1 TOP: I.A | I.B
MSC: Remembering
2. Analysis of DNA sequences reveals:
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
d. prokaryotes are cells with a nucleus
e. the genome of Haemophilus influenzae has about 2 billion base
pairs
ANS: B DIF: Easy REF:u1.1 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
ANS: A DIF: Easy REF:u1.1 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
ANS: E DIF: Easy REF:u1.1 TOP: I.A.i | I.A.ii
MSC: Remembering
5. Which one of the following statements regarding microbial cells is NOT true?
a. Microbial cells acquire food, gain energy to build themselves, and
respond to
environmental change.
Fost
er &
Joan
Slonc
zews
ki,
,All Chapter 1 - 28
,
, 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
ANS: B DIF: Easy REF:u1.1 TOP: I.A | I.B
MSC: Remembering
2. Analysis of DNA sequences reveals:
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
d. prokaryotes are cells with a nucleus
e. the genome of Haemophilus influenzae has about 2 billion base
pairs
ANS: B DIF: Easy REF:u1.1 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
ANS: A DIF: Easy REF:u1.1 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
ANS: E DIF: Easy REF:u1.1 TOP: I.A.i | I.A.ii
MSC: Remembering
5. Which one of the following statements regarding microbial cells is NOT true?
a. Microbial cells acquire food, gain energy to build themselves, and
respond to
environmental change.
