,
, Test bank for Microbiology, The Human Experience 2nd Edition By
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gJohn W. Foster, Zarrintaj Aliabadi, Joan L. Slonczewski Chapter 1
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to 27 g g
Chapter 01: Microbes Shape Our History
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MULTIPLE CHOICE g
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 gDIF: Easy REF: 1.1 g
OBJ: 1.1a Describe how we define a microbe, and explain why the definition is a challenge.
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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. g d.xalgae.
ANS: C g DIF: Moderate REF: 1.1 g
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain what
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the three domains have in common and how they differ.
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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. g
b. bacteria. d. large ameba.
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ANS: B gDIF: Easy REF: 1.1 g
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain
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what the three domains have in common and how they differ. MSC: Applying
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4. Based on the figure, the type of organism shown is a(n)
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