,Chapter 01: Microbes Shape Our History
g g g g g
MULTIPLE CHOICE d x
1. Which of the following is NOT considered a benefit of microorganisms?
dx dx dx dx dx dx dx dx dx dx
a. nitrogen fixation dx c. synthesis of vitamins 1a dx
b. production of fermented foods d. causative agents of disease
dx dx dx d x d x dx dx dx
ANS: D DIF: Easy
d x REF: 1.1 dx
OBJ: 1.1a Describe how we define a microbe, and explain why the definition is a challenge.MS
dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx
C: Reme
dx
mbering
dx
2. A microbe that is 50 nm in size would most likely be
dx dx dx dx dx dx dx dx dx 1a dx
a. fungi. c. virus.
b. E. coli. dx d. algae.
ANS: C d xDIF: Moderate REF: 1.1
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
3. Based on the figure shown, the type of organism indicated with an arrow could be a
dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx
a. virus. c. macroscopic fungi. 1a
b. bacteria. d. large ameba.
d x dx
ANS: B d xDIF: Easy REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx 1a dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
4. Based on the figure, the type of organism shown is a(n)
dx dx dx dx dx dx dx dx dx dx
, a. virus. c. archaea.
b. bacteria. d. eukaryote.
d x
ANS: D d x DIF: Moderate REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
5. Which of the following demonstrates correct scientific notation of a bacterial organism?
dx dx dx dx dx dx dx dx dx dx dx
a. Staphylococcus Epidermidis c. Staphylococcus epidermidis
dx d x
b. Staphylococcus epidermidis d. Staphylococcus Epidermidis
dx dx
ANS: C d x DIF: Easy REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
6. Which key characteristic differentiates a prokaryote from a eukaryote?
dx dx dx dx dx dx dx dx
a. the absence of proteins
dx dx dx
b. the presence of DNA
dx dx dx
c. the absence of membrane-bound organelles
dx dx dx dx
d. the presence of a cell wall
dx dx dx dx dx
ANS: C d x DIF: Easy REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in co dx dx dx dx dx dx
mmon and how they differ.
dx dx MSC: Remembering
dx dx dx
7. Which of the following methods for classifying life forms can best be used to distinguish between twoc
dx dx dx dx 1a dx dx dx d x dx 1a dx dx dx dx dx
lose
ly related rod-shaped bacterial organisms, Salmonella typhimurium and Escherichia coli?
dx dx dx dx dx dx dx dx dx dx
a. physical characteristics dx c. DNA sequence comparison 1a dx
b. method of reproduction dx d. environmental habitat
dx dx
ANS: C d x DIF: Moderate REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
8. Which of the following is always classified as a eukaryote?
dx dx dx dx dx dx dx dx dx
a. papillomavirus c. Escherichia coli d x
b. methanogen d. yeast
ANS: D dx DIF: Moderate REF: 1.1
, OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thr ee domains have in co dx dx dx dx dx dx
mmon and how they differ. dx dx MSC: Understanding
dx dx dx
9. Which of the following has been used as a tool for gene therapy?
dx dx dx dx dx dx dx dx dx dx dx dx
a. viruses c. protozoa
b. archaea d. fungi d x
ANS: A DIF: Easy
d x REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in co dx dx dx dx dx dx
mmon and how they differ. dx dx MSC: Understanding
dx dx dx
10. Which of the following would you not expect to find in the human digestive tract?
dx dx dx dx dx dx 1a 1a dx dx dx dx dx dx
a. archaea c. bacteria
b. algae d. intestinal viruses d x dx
ANS: B DIF: Moderate
d x REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thr ee domains have in co dx dx dx dx dx dx
mmon and how they differ. dx dx MSC: Understanding
dx dx dx
11. Antibiotics are chemotherapeutic drugs that function by inhibiting an important cellular structure or p rocess of
dx dx dx dx dx dx dx dx dx dx dx 1a dx d x d x dx dx
a n organism that is causing an infection. Which of the following would not be affected byan antibiotic that tar
dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx
ge ts cellular metabolic enzymes?
dx dx dx dx
a. Streptococcus pyogenes bacteria c. ameba d x d x
b. Herpes virus d. bread mold
dx d x dx
ANS: B DIF: Moderate
d x REF: 1.1 dx
OBJ: 1.1c Define viruses, and explain how they relate to living cells.MS
dx dx dx dx dx dx dx dx dx dx dx d x C: Anal dx d
yzing
x
12. Which scientist is credited with constructing the first microscope?
dx dx dx dx dx dx dx dx
a. Antonie van Leeuwenhoek c. Robert Hooke
dx dx d x dx
b. Catherine of Siena d. Louis Pasteur
dx dx d x dx
ANS: C DIF: Easy
d x REF: 1.2 dx
OBJ: 1.2a Explain how microbial diseases have changed human history.
dx dx dx dx dx dx dx dx dx d x MSC: d
Remembering
x
13. Which of the following was an unexpected benefit of the bubonic plague?
dx dx dx dx dx dx dx dx dx dx dx
a. There was no benefit to the bubonic plague. dx dx dx dx dx dx 1a
b. The population of Europe experienced a baby boom.
1a dx dx dx dx dx dx
c. It resulted in a better understanding of aseptic practices and how to prevent the spread ofi
1a dx dx dx dx dx dx dx dx dx dx dx 1a dx dx nfection.
d. The population decline enabled the cultural advancement of the Renaissance.
1a dx dx dx dx dx dx dx dx
ANS: D DIF: Easy
d x REF: 1.2 dx
OBJ: 1.2a Explain how microbial diseases have changed human history.
dx dx dx dx dx dx dx dx dx d x MSC:
Understanding
dx
14. Which of the following organisms would you NOT be able to see using Robert Hooke’s microscope?
dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx
a. vinegar eels c. mold filaments
dx dx
b. dust mites dx d. Mycobacterium tuberculosis d x
ANS: D dx DIF: Moderate REF: 1.2
g g g g g
MULTIPLE CHOICE d x
1. Which of the following is NOT considered a benefit of microorganisms?
dx dx dx dx dx dx dx dx dx dx
a. nitrogen fixation dx c. synthesis of vitamins 1a dx
b. production of fermented foods d. causative agents of disease
dx dx dx d x d x dx dx dx
ANS: D DIF: Easy
d x REF: 1.1 dx
OBJ: 1.1a Describe how we define a microbe, and explain why the definition is a challenge.MS
dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx
C: Reme
dx
mbering
dx
2. A microbe that is 50 nm in size would most likely be
dx dx dx dx dx dx dx dx dx 1a dx
a. fungi. c. virus.
b. E. coli. dx d. algae.
ANS: C d xDIF: Moderate REF: 1.1
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
3. Based on the figure shown, the type of organism indicated with an arrow could be a
dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx
a. virus. c. macroscopic fungi. 1a
b. bacteria. d. large ameba.
d x dx
ANS: B d xDIF: Easy REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx 1a dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
4. Based on the figure, the type of organism shown is a(n)
dx dx dx dx dx dx dx dx dx dx
, a. virus. c. archaea.
b. bacteria. d. eukaryote.
d x
ANS: D d x DIF: Moderate REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
5. Which of the following demonstrates correct scientific notation of a bacterial organism?
dx dx dx dx dx dx dx dx dx dx dx
a. Staphylococcus Epidermidis c. Staphylococcus epidermidis
dx d x
b. Staphylococcus epidermidis d. Staphylococcus Epidermidis
dx dx
ANS: C d x DIF: Easy REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
6. Which key characteristic differentiates a prokaryote from a eukaryote?
dx dx dx dx dx dx dx dx
a. the absence of proteins
dx dx dx
b. the presence of DNA
dx dx dx
c. the absence of membrane-bound organelles
dx dx dx dx
d. the presence of a cell wall
dx dx dx dx dx
ANS: C d x DIF: Easy REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in co dx dx dx dx dx dx
mmon and how they differ.
dx dx MSC: Remembering
dx dx dx
7. Which of the following methods for classifying life forms can best be used to distinguish between twoc
dx dx dx dx 1a dx dx dx d x dx 1a dx dx dx dx dx
lose
ly related rod-shaped bacterial organisms, Salmonella typhimurium and Escherichia coli?
dx dx dx dx dx dx dx dx dx dx
a. physical characteristics dx c. DNA sequence comparison 1a dx
b. method of reproduction dx d. environmental habitat
dx dx
ANS: C d x DIF: Moderate REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in com dx dx dx dx dx dx
mon and how they differ.
dx dx dx MSC: Applying
dx dx
8. Which of the following is always classified as a eukaryote?
dx dx dx dx dx dx dx dx dx
a. papillomavirus c. Escherichia coli d x
b. methanogen d. yeast
ANS: D dx DIF: Moderate REF: 1.1
, OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thr ee domains have in co dx dx dx dx dx dx
mmon and how they differ. dx dx MSC: Understanding
dx dx dx
9. Which of the following has been used as a tool for gene therapy?
dx dx dx dx dx dx dx dx dx dx dx dx
a. viruses c. protozoa
b. archaea d. fungi d x
ANS: A DIF: Easy
d x REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thre e domains have in co dx dx dx dx dx dx
mmon and how they differ. dx dx MSC: Understanding
dx dx dx
10. Which of the following would you not expect to find in the human digestive tract?
dx dx dx dx dx dx 1a 1a dx dx dx dx dx dx
a. archaea c. bacteria
b. algae d. intestinal viruses d x dx
ANS: B DIF: Moderate
d x REF: 1.1 dx
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatth
dx dx dx dx dx dx dx dx dx dx dx dx dx dx
e thr ee domains have in co dx dx dx dx dx dx
mmon and how they differ. dx dx MSC: Understanding
dx dx dx
11. Antibiotics are chemotherapeutic drugs that function by inhibiting an important cellular structure or p rocess of
dx dx dx dx dx dx dx dx dx dx dx 1a dx d x d x dx dx
a n organism that is causing an infection. Which of the following would not be affected byan antibiotic that tar
dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx
ge ts cellular metabolic enzymes?
dx dx dx dx
a. Streptococcus pyogenes bacteria c. ameba d x d x
b. Herpes virus d. bread mold
dx d x dx
ANS: B DIF: Moderate
d x REF: 1.1 dx
OBJ: 1.1c Define viruses, and explain how they relate to living cells.MS
dx dx dx dx dx dx dx dx dx dx dx d x C: Anal dx d
yzing
x
12. Which scientist is credited with constructing the first microscope?
dx dx dx dx dx dx dx dx
a. Antonie van Leeuwenhoek c. Robert Hooke
dx dx d x dx
b. Catherine of Siena d. Louis Pasteur
dx dx d x dx
ANS: C DIF: Easy
d x REF: 1.2 dx
OBJ: 1.2a Explain how microbial diseases have changed human history.
dx dx dx dx dx dx dx dx dx d x MSC: d
Remembering
x
13. Which of the following was an unexpected benefit of the bubonic plague?
dx dx dx dx dx dx dx dx dx dx dx
a. There was no benefit to the bubonic plague. dx dx dx dx dx dx 1a
b. The population of Europe experienced a baby boom.
1a dx dx dx dx dx dx
c. It resulted in a better understanding of aseptic practices and how to prevent the spread ofi
1a dx dx dx dx dx dx dx dx dx dx dx 1a dx dx nfection.
d. The population decline enabled the cultural advancement of the Renaissance.
1a dx dx dx dx dx dx dx dx
ANS: D DIF: Easy
d x REF: 1.2 dx
OBJ: 1.2a Explain how microbial diseases have changed human history.
dx dx dx dx dx dx dx dx dx d x MSC:
Understanding
dx
14. Which of the following organisms would you NOT be able to see using Robert Hooke’s microscope?
dx dx dx dx dx dx dx dx dx dx dx dx dx dx dx
a. vinegar eels c. mold filaments
dx dx
b. dust mites dx d. Mycobacterium tuberculosis d x
ANS: D dx DIF: Moderate REF: 1.2
