27Complete
,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 pm c. synthesis of vitamins pm pm
b. production of fermented foods d. causative agents of disease
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ANS: D p m DIF: Easy REF: 1.1 pm
OBJ: 1.1a Describe how we define a microbe, and explain why the definition is a challenge.MSC:
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Remembering
2. A microbe that is 50 nm in size would most likely be
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a. fungi. c. virus.
b. E. coli. pm d. algae. p m
ANS: C p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
pm pm pm 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. pm
b. bacteria. d. large ameba.
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ANS: B p m DIF: Easy REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
pm pm pm MSC: Applying
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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.
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ANS: D p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1b Describe thexthree major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
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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
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ANS: C p m DIF: Easy REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
pm pm pm MSC: Applying pm pm pm pm pm pm p m
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 p m DIF: Easy REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
pm pm pm MSC: Remembering
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7. Which of the following methods for classifying life forms can best be used to distinguish between twoc
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los ely related rod-shaped bacterial organisms, Salmonella typhimurium and Escherichia coli?
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a. physical characteristics pm c. DNAxsequence comparison pm
b. method of reproduction pm pm d. environmental habitat p m pm
ANS: C p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1b Describe thexthree major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
pm pm pm MSC: Applying pm pm pm pm pm pm p m
8. Which of the following is always classified as a eukaryote?
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a. papillomavirus c. Escherichia coli p m
b. methanogen d. yeast
ANS: D pm DIF: Moderate REF: 1.1
, OBJ: 1.1b Describe thexthree major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
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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 p m
ANS: A p m DIF: Easy REF: 1.1 pm
OBJ: 1.1b Describe thexthree major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
pm pm 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 p m pm
ANS: B p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
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he three domains have in common and how they differ.
pm pm MSC: Understanding
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11. Antibiotics are chemotherapeutic drugs that function by inhibiting an important cellular structure or pr
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oc ess of an organism thatxis causing an infection. Which of the following would not be affected by
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an anti biotic that targets cellular metabolic enzymes?
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a. Streptococcus pyogenes bacteria c. ameba pm pm
b. Herpes virus pm d. bread mold p m pm
ANS: B p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1c Define viruses, and explain how they relate to living cells.MSC
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: Analyzing
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12. Which scientist is credited with constructing the first microscope?
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a. Antonie van Leeuwenhoek pm c. Robert Hookepm pm
b. Catherine of Siena d. Louis Pasteur
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ANS: C p m DIF: Easy REF: 1.2 pm
OBJ: 1.2a Explain how microbial diseases have changed human history.M
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SC: 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 o
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fix nfection.p m
d. The population decline enabled the cultural advancement of the Renaissance.
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ANS: D p m DIF: Easy REF: 1.2 pm
OBJ: 1.2a Explain how microbial diseases have changed human history.M
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SC: 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 c. mold filaments
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b. dust mites pm d. Mycobacterium tuberculosis pm
ANS: D pm DIF: Moderate REF: 1.2
,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 pm c. synthesis of vitamins pm pm
b. production of fermented foods d. causative agents of disease
pm pm pm p m pm pm pm
ANS: D p m DIF: Easy REF: 1.1 pm
OBJ: 1.1a Describe how we define a microbe, and explain why the definition is a challenge.MSC:
pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm
Remembering
2. A microbe that is 50 nm in size would most likely be
pm pm pm pm pm pm pm pm pm pm pm
a. fungi. c. virus.
b. E. coli. pm d. algae. p m
ANS: C p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm pm MSC: Applying
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3. Based on the figure shown, the type of organism indicated with an arrow could be a
pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm
a. virus. c. macroscopic fungi. pm
b. bacteria. d. large ameba.
p m pm
ANS: B p m DIF: Easy REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm pm MSC: Applying
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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.
p m
ANS: D p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1b Describe thexthree major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm pm MSC: Applying pm pm pm pm pm pm p m
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
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ANS: C p m DIF: Easy REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm pm MSC: Applying pm pm pm pm pm pm p m
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 p m DIF: Easy REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm pm MSC: Remembering
pm pm pm pm pm pm pm
7. Which of the following methods for classifying life forms can best be used to distinguish between twoc
pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm
los ely related rod-shaped bacterial organisms, Salmonella typhimurium and Escherichia coli?
pm pm pm pm pm pm pm pm pm pm
a. physical characteristics pm c. DNAxsequence comparison pm
b. method of reproduction pm pm d. environmental habitat p m pm
ANS: C p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1b Describe thexthree major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm pm MSC: Applying pm pm pm pm pm pm p m
8. Which of the following is always classified as a eukaryote?
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a. papillomavirus c. Escherichia coli p m
b. methanogen d. yeast
ANS: D pm DIF: Moderate REF: 1.1
, OBJ: 1.1b Describe thexthree major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm MSC: Understanding
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9. Which of the following has been used as a tool for gene therapy?
pm pm pm pm pm pm pm pm pm pm pm pm
a. viruses c. protozoa
b. archaea d. fungi p m
ANS: A p m DIF: Easy REF: 1.1 pm
OBJ: 1.1b Describe thexthree major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm 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 p m pm
ANS: B p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1b Describe the three major domains of life: Archaea, Bacteria, and Eukarya. Explain whatt
pm pm pm pm pm pm pm pm pm pm pm pm pm pm
he three domains have in common and how they differ.
pm pm MSC: Understanding
pm pm pm pm pm pm pm pm
11. Antibiotics are chemotherapeutic drugs that function by inhibiting an important cellular structure or pr
pm pm pm pm pm pm pm pm pm pm pm pm pm
oc ess of an organism thatxis causing an infection. Which of the following would not be affected by
pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm
an anti biotic that targets cellular metabolic enzymes?
pm pm pm pm pm pm pm
a. Streptococcus pyogenes bacteria c. ameba pm pm
b. Herpes virus pm d. bread mold p m pm
ANS: B p m DIF: Moderate REF: 1.1 pm
OBJ: 1.1c Define viruses, and explain how they relate to living cells.MSC
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: Analyzing
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12. Which scientist is credited with constructing the first microscope?
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a. Antonie van Leeuwenhoek pm c. Robert Hookepm pm
b. Catherine of Siena d. Louis Pasteur
pm pm p m pm
ANS: C p m DIF: Easy REF: 1.2 pm
OBJ: 1.2a Explain how microbial diseases have changed human history.M
pm pm pm pm pm pm pm pm pm p
SC: Remembering
m pm
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.
pm pm pm pm pm pm pm
c. It resulted in a better understanding of aseptic practices and how to prevent the spread o
pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm
fix nfection.p m
d. The population decline enabled the cultural advancement of the Renaissance.
pm pm pm pm pm pm pm pm pm
ANS: D p m DIF: Easy REF: 1.2 pm
OBJ: 1.2a Explain how microbial diseases have changed human history.M
pm pm pm pm pm pm pm pm pm p
SC: Understanding
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14. Which of the following organisms would you NOT be able to see using Robert Hooke’s microscope?
pm pm pm pm pm pm pm pm pm pm pm pm pm pm pm
a. vinegar eels c. mold filaments
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b. dust mites pm d. Mycobacterium tuberculosis pm
ANS: D pm DIF: Moderate REF: 1.2
