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