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