27Complete
,MULTIPLE CHOICE
sl
1. Which of the following is NOT considered a benefit of microorganisms?
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a. nitrogen fixation c. synthesis of vitamins
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b. production of fermented foods d. causative agents of disease
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ANS: D s DIF: Easy
l REF: 1.1 s l
OBJ: 1.1a Describe how we define a microbe, and explain why the definition is a challenge.MSC: Remembering
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2. A microbe that is 50 nm in size would most likely be
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a. fungi. c. virus.
b. E. coli. sl d. algae.
ANS: C s DIF: Moderate
l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
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e three domains have in common and how they differ.
sl sl 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. sl
b. bacteria. d. large ameba.
s l s l sl
ANS: B s DIF: Easy
l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
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e three domains have in common and how they differ.
sl sl MSC: Applying
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4. Based on the figure, the type of organism shown is a(n)
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, a. virus. c. archaea.
b. bacteria. d. eukaryote.
ANS: D sDIF: Moderate
l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt he
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three domains have in common and how they differ.
sl sl 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 s l s l
b. Staphylococcus epidermidis d. Staphylococcus Epidermidis s l s l
ANS: C sDIF: Easyl REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
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e three domains have in common and how they differ.
sl sl MSC: Applying sl sl sl sl sl sl sl s l
6. Which key characteristic differentiates a prokaryote from a eukaryote?
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a. the absence of proteins sl sl sl
b. the presence of DNA sl s l s l
c. the absence of membrane-bound organelles
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d. the presence of a cell wall sl sl sl sl sl
ANS: C sDIF: Easyl REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
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e three domains have in common and how they differ.
sl sl MSC: Remembering
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7. Which of the following methods for classifying life forms can best be used to distinguish between two clo
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s ely related rod-shaped bacterial organisms, Salmonella typhimurium and Escherichia coli?
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a. physical characteristics c. DNAxsequence comparison
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b. method of reproduction d. environmental habitat
sl sl s l sl
ANS: C sDIF: Moderate
l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt he
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three domains have in common and how they differ.
sl sl MSC: Applying
sl sl sl sl sl sl sl s l
8. Which of the following is always classified as a eukaryote?
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a. papillomavirus c. Escherichia coli s l
b. methanogen d. yeast
ANS: D sl DIF: Moderate REF: 1.1
, OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt he
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three domains have in common and how they differ.
sl sl MSC: Understanding sl sl sl sl sl sl sl sl
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
ANS: A DIF: Easy
s l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt he
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three domains have in common and how they differ.
sl sl MSC: Understanding sl sl sl sl sl sl sl sl
10. Which of the following would you not expect to find in the human digestive tract?
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a. archaea c. bacteria s l s l
b. algae d. intestinal viruses s l
ANS: B DIF: Moderate
s l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
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e three domains have in common and how they differ.
sl sl MSC: Understanding sl sl sl sl sl sl sl sl
11. Antibiotics are chemotherapeutic drugs that function by inhibiting an important cellular structure or pr oc
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ess of an organism that is causing an infection. Which of the following would not be affected by an anti
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biotic that targets cellular metabolic enzymes?
sl sl sl sl sl
a. Streptococcus pyogenes bacteria c. ameba s l s l
b. Herpes virus d. bread mold
s l s l sl
ANS: B DIF: Moderate
s l REF: 1.1 s l
OBJ: 1.1c Define viruses, and explain how they relate to living cells.MS C:
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Analyzing
12. Which scientist is credited with constructing the first microscope?
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a. Antonie van Leeuwenhoek c. Robert Hooke sl s l s l
b. Catherine of Siena d. Louis Pasteur sl sl sl
ANS: C DIF: Easy
s l REF: 1.2 s l
OBJ: 1.2a Explain how microbial diseases have changed human history.M SC:
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Remembering
s l
13. Which of the following was an unexpected benefit of the bubonic plague?
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a. There was no benefit to the bubonic plague. sl sl sl sl sl sl sl
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 ofi
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nfection.
d. The population decline enabled the cultural advancement of the Renaissance.
s l s l s l s l s l s l s l s l s l
ANS: D DIF: Easy
s l REF: 1.2 s l
OBJ: 1.2a Explain how microbial diseases have changed human history.M SC:
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Understanding
sl
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 c. mold filaments sl sl
b. dust mites sl d. Mycobacterium tuberculosis sl
ANS: D sl DIF: Moderate REF: 1.2
,MULTIPLE CHOICE
sl
1. Which of the following is NOT considered a benefit of microorganisms?
sl sl sl sl sl sl sl sl sl sl
a. nitrogen fixation c. synthesis of vitamins
s l s l sl sl
b. production of fermented foods d. causative agents of disease
sl sl sl sl sl sl
ANS: D s DIF: Easy
l REF: 1.1 s l
OBJ: 1.1a Describe how we define a microbe, and explain why the definition is a challenge.MSC: Remembering
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
2. A microbe that is 50 nm in size would most likely be
sl sl sl sl sl sl sl sl sl sl sl
a. fungi. c. virus.
b. E. coli. sl d. algae.
ANS: C s DIF: Moderate
l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
e three domains have in common and how they differ.
sl sl MSC: Applying
sl sl sl sl sl sl sl s l
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. sl
b. bacteria. d. large ameba.
s l s l sl
ANS: B s DIF: Easy
l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
e three domains have in common and how they differ.
sl sl MSC: Applying
sl sl sl sl sl sl sl s l
4. Based on the figure, the type of organism shown is a(n)
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, a. virus. c. archaea.
b. bacteria. d. eukaryote.
ANS: D sDIF: Moderate
l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt he
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three domains have in common and how they differ.
sl sl MSC: Applying
sl sl sl sl sl sl sl s l
5. Which of the following demonstrates correct scientific notation of a bacterial organism?
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a. Staphylococcus Epidermidis c. Staphylococcus epidermidis s l s l
b. Staphylococcus epidermidis d. Staphylococcus Epidermidis s l s l
ANS: C sDIF: Easyl REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
e three domains have in common and how they differ.
sl sl MSC: Applying sl sl sl sl sl sl sl s l
6. Which key characteristic differentiates a prokaryote from a eukaryote?
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a. the absence of proteins sl sl sl
b. the presence of DNA sl s l s l
c. the absence of membrane-bound organelles
s l s l s l s l
d. the presence of a cell wall sl sl sl sl sl
ANS: C sDIF: Easyl REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
e three domains have in common and how they differ.
sl sl MSC: Remembering
sl sl sl sl sl sl sl s l
7. Which of the following methods for classifying life forms can best be used to distinguish between two clo
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
s ely related rod-shaped bacterial organisms, Salmonella typhimurium and Escherichia coli?
sl sl sl sl sl sl sl sl sl sl
a. physical characteristics c. DNAxsequence comparison
s l s l
b. method of reproduction d. environmental habitat
sl sl s l sl
ANS: C sDIF: Moderate
l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt he
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
three domains have in common and how they differ.
sl sl MSC: Applying
sl sl sl sl sl sl sl s l
8. Which of the following is always classified as a eukaryote?
sl sl sl sl sl sl sl sl sl
a. papillomavirus c. Escherichia coli s l
b. methanogen d. yeast
ANS: D sl DIF: Moderate REF: 1.1
, OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt he
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
three domains have in common and how they differ.
sl sl MSC: Understanding sl sl sl sl sl sl sl sl
9. Which of the following has been used as a tool for gene therapy?
sl sl sl sl sl sl sl sl sl sl sl sl
a. viruses c. protozoa
b. archaea d. fungi
ANS: A DIF: Easy
s l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt he
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
three domains have in common and how they differ.
sl sl MSC: Understanding sl sl sl sl sl sl sl sl
10. Which of the following would you not expect to find in the human digestive tract?
sl sl sl sl sl sl sl sl sl sl sl sl sl sl
a. archaea c. bacteria s l s l
b. algae d. intestinal viruses s l
ANS: B DIF: Moderate
s l REF: 1.1 s l
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what th
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
e three domains have in common and how they differ.
sl sl MSC: Understanding sl sl sl sl sl sl sl sl
11. Antibiotics are chemotherapeutic drugs that function by inhibiting an important cellular structure or pr oc
sl sl sl sl sl sl sl sl sl sl sl sl sl sl s
ess of an organism that is causing an infection. Which of the following would not be affected by an anti
l sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl s l sl sl
biotic that targets cellular metabolic enzymes?
sl sl sl sl sl
a. Streptococcus pyogenes bacteria c. ameba s l s l
b. Herpes virus d. bread mold
s l s l sl
ANS: B DIF: Moderate
s l REF: 1.1 s l
OBJ: 1.1c Define viruses, and explain how they relate to living cells.MS C:
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Analyzing
12. Which scientist is credited with constructing the first microscope?
sl sl s l sl sl sl sl s l
a. Antonie van Leeuwenhoek c. Robert Hooke sl s l s l
b. Catherine of Siena d. Louis Pasteur sl sl sl
ANS: C DIF: Easy
s l REF: 1.2 s l
OBJ: 1.2a Explain how microbial diseases have changed human history.M SC:
sl sl sl sl sl sl sl sl sl sl
Remembering
s l
13. Which of the following was an unexpected benefit of the bubonic plague?
sl sl sl sl sl sl sl sl sl sl sl
a. There was no benefit to the bubonic plague. sl sl sl sl sl sl sl
b. The population of Europe experienced a baby boom.
sl sl sl sl sl sl sl
c. It resulted in a better understanding of aseptic practices and how to prevent the spread ofi
sl sl sl sl sl sl sl sl sl sl sl sl sl sl sl
nfection.
d. The population decline enabled the cultural advancement of the Renaissance.
s l s l s l s l s l s l s l s l s l
ANS: D DIF: Easy
s l REF: 1.2 s l
OBJ: 1.2a Explain how microbial diseases have changed human history.M SC:
sl sl sl sl sl sl sl sl sl sl
Understanding
sl
14. Which of the following organisms would you NOT be able to see using Robert Hooke’s microscope?
s l s l s l s l s l s l s l s l s l s l sl s l s l s l s l
a. vinegar eels c. mold filaments sl sl
b. dust mites sl d. Mycobacterium tuberculosis sl
ANS: D sl DIF: Moderate REF: 1.2
