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