,Chapter 1 Microorganisms and Microbiology
1.1 Multiple Choice Questions
1) Which of the following statements is FALSE?
A) Microbial cells exist as single cells.
B) Microbial cells carry out their life processes of growth independently.
C) Microbial cells include both bacteria and viruses.
D) Microbial cells exclude the cells of plants and animals.
Answer: C
Bloom's Taxonomy: Knowledge
Chapter Section: 1.2
2) Basic microbiology can be used to
A) probe the fundamental processes of life.
B) study characteristics of cells of multicellular organisms.
C) model our understanding of cellular processes in multicellular organisms, including humans.
D) probe the fundamental processes of life, study characteristics of cells of multicellular
organisms, and model our understanding of cellular processes in multicellular organisms,
including humans.
Answer: D
Bloom's Taxonomy: Application
Chapter Section: 1.1
3) Applied microbiology deals with important practical problems in
A) medicine.
B) agriculture.
C) industry.
D) medicine, agriculture, and industry.
Answer: D
Bloom's Taxonomy: Application
Chapter Section: 1.1
4) The largest mass of living material on Earth comes from
A) microorganisms.
B) plants.
C) animals.
D) plants and animals together.
Answer: A
Bloom's Taxonomy: Knowledge
Chapter Section: 1.1
,5) Differential selection and reproduction of phenotypes occurs during a process called
A) cellular differentiation.
B) evolution.
C) growth.
D) transformation.
Answer: B
Bloom's Taxonomy: Knowledge
Chapter Section: 1.2
6) In what/which domain(s) of life is/are microorganisms represented?
A) Archaea
B) Bacteria
C) Eukarya
D) Archaea, Bacteria, and Eukarya
Answer: D
Bloom's Taxonomy: Knowledge
Chapter Section: 1.3
7) Determine which outcome is LEAST likely for a microorganism being motile.
A) avoidance of predation by bacteriovores
B) maintaining osmotic balance within a salt gradient
C) movement towards growth substrates
D) transfer of plasmids to progeny
Answer: D
Bloom's Taxonomy: Evaluation
Chapter Section: 1.2
8) Protein catalysts involved in the acceleration of the rate of chemical reactions are called
A) catalytic converters.
B) growth agents.
C) evolutionary molecules.
D) enzymes.
Answer: D
Bloom's Taxonomy: Knowledge
Chapter Section: 1.2
9) Regarding early life on Earth,
A) microbial life existed for billions of years before plant and animal life.
B) microbial life existed long before animals but has been around for about the same amount of
time as plants.
C) microbial life, plant life, and animal life all appeared at about the same time.
D) it is impossible to determine which type of life first appeared.
Answer: A
Bloom's Taxonomy: Knowledge
Chapter Section: 1.3
, 10) Most prokaryotic cells reside
A) on Earth's surface.
B) in lakes, rivers, and oceans.
C) in and on nonprokaryotic organisms (including humans and other animals).
D) in the oceanic and terrestrial subsurfaces.
Answer: D
Bloom's Taxonomy: Knowledge
Chapter Section: 1.4
11) The person who described the "wee animalcules" was
A) Robert Hooke.
B) Antoni van Leeuwenhoek.
C) Louis Pasteur.
D) Ferdinand Cohn.
Answer: B
Bloom's Taxonomy: Knowledge
Chapter Section: 1.6
12) Fannie Hesse is credited with giving ________ the idea to use agar as a solidifying agent.
A) Louis Pasteur
B) Ferdinand Cohn
C) Robert Koch
D) Sergei Winogradsky
Answer: C
Bloom's Taxonomy: Knowledge
Chapter Section: 1.8
13) Which of the following is/are characteristic of ALL cellular organisms?
A) communication
B) evolution
C) motility
D) communication, evolution, and motility
Answer: B
Bloom's Taxonomy: Knowledge
Chapter Section: 1.2
14) Deduce why viruses are excluded from the ribosomal RNA-based tree of life.
A) Some viruses contain multiple strands of RNA.
B) Their genetic elements cannot be sequenced.
C) They can infect other organisms, which complicates the genetic comparisons.
D) They lack ribosomal RNA.
Answer: D
Bloom's Taxonomy: Evaluation
Chapter Section: 1.4
1.1 Multiple Choice Questions
1) Which of the following statements is FALSE?
A) Microbial cells exist as single cells.
B) Microbial cells carry out their life processes of growth independently.
C) Microbial cells include both bacteria and viruses.
D) Microbial cells exclude the cells of plants and animals.
Answer: C
Bloom's Taxonomy: Knowledge
Chapter Section: 1.2
2) Basic microbiology can be used to
A) probe the fundamental processes of life.
B) study characteristics of cells of multicellular organisms.
C) model our understanding of cellular processes in multicellular organisms, including humans.
D) probe the fundamental processes of life, study characteristics of cells of multicellular
organisms, and model our understanding of cellular processes in multicellular organisms,
including humans.
Answer: D
Bloom's Taxonomy: Application
Chapter Section: 1.1
3) Applied microbiology deals with important practical problems in
A) medicine.
B) agriculture.
C) industry.
D) medicine, agriculture, and industry.
Answer: D
Bloom's Taxonomy: Application
Chapter Section: 1.1
4) The largest mass of living material on Earth comes from
A) microorganisms.
B) plants.
C) animals.
D) plants and animals together.
Answer: A
Bloom's Taxonomy: Knowledge
Chapter Section: 1.1
,5) Differential selection and reproduction of phenotypes occurs during a process called
A) cellular differentiation.
B) evolution.
C) growth.
D) transformation.
Answer: B
Bloom's Taxonomy: Knowledge
Chapter Section: 1.2
6) In what/which domain(s) of life is/are microorganisms represented?
A) Archaea
B) Bacteria
C) Eukarya
D) Archaea, Bacteria, and Eukarya
Answer: D
Bloom's Taxonomy: Knowledge
Chapter Section: 1.3
7) Determine which outcome is LEAST likely for a microorganism being motile.
A) avoidance of predation by bacteriovores
B) maintaining osmotic balance within a salt gradient
C) movement towards growth substrates
D) transfer of plasmids to progeny
Answer: D
Bloom's Taxonomy: Evaluation
Chapter Section: 1.2
8) Protein catalysts involved in the acceleration of the rate of chemical reactions are called
A) catalytic converters.
B) growth agents.
C) evolutionary molecules.
D) enzymes.
Answer: D
Bloom's Taxonomy: Knowledge
Chapter Section: 1.2
9) Regarding early life on Earth,
A) microbial life existed for billions of years before plant and animal life.
B) microbial life existed long before animals but has been around for about the same amount of
time as plants.
C) microbial life, plant life, and animal life all appeared at about the same time.
D) it is impossible to determine which type of life first appeared.
Answer: A
Bloom's Taxonomy: Knowledge
Chapter Section: 1.3
, 10) Most prokaryotic cells reside
A) on Earth's surface.
B) in lakes, rivers, and oceans.
C) in and on nonprokaryotic organisms (including humans and other animals).
D) in the oceanic and terrestrial subsurfaces.
Answer: D
Bloom's Taxonomy: Knowledge
Chapter Section: 1.4
11) The person who described the "wee animalcules" was
A) Robert Hooke.
B) Antoni van Leeuwenhoek.
C) Louis Pasteur.
D) Ferdinand Cohn.
Answer: B
Bloom's Taxonomy: Knowledge
Chapter Section: 1.6
12) Fannie Hesse is credited with giving ________ the idea to use agar as a solidifying agent.
A) Louis Pasteur
B) Ferdinand Cohn
C) Robert Koch
D) Sergei Winogradsky
Answer: C
Bloom's Taxonomy: Knowledge
Chapter Section: 1.8
13) Which of the following is/are characteristic of ALL cellular organisms?
A) communication
B) evolution
C) motility
D) communication, evolution, and motility
Answer: B
Bloom's Taxonomy: Knowledge
Chapter Section: 1.2
14) Deduce why viruses are excluded from the ribosomal RNA-based tree of life.
A) Some viruses contain multiple strands of RNA.
B) Their genetic elements cannot be sequenced.
C) They can infect other organisms, which complicates the genetic comparisons.
D) They lack ribosomal RNA.
Answer: D
Bloom's Taxonomy: Evaluation
Chapter Section: 1.4