OpenStax Microbiology Test Bank- Chapter 01 An Invisible World
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Course
BIOL 251 (OPENSTAX)
Institution
University Of Nevada, Las Vegas
OpenStax Microbiology Test Bank- Chapter 01 An Invisible WorldOpenStax Microbiology Test Bank- Chapter 01 An Invisible WorldOpenStax Microbiology Test Bank- Chapter 01 An Invisible World
openstax microbiology test bank chapter 01 an invisible world
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University Of Nevada, Las Vegas
BIOL 251 (OPENSTAX)
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OpenStax Microbiology Test Bank
Chapter 1: An Invisible World
Page 1 of 20
,Chapter 1: An Invisible World
* = Correct answer
Multiple Choice
1. Which of the following is true of the microbial world? A. All microbes are harmful.
B. Humans could survive without
microbes.
C. Many microbes are helpful.*D.
Most microbes are
pathogenic.
Difficulty: Easy
ASM Standard: 23, 24
2. Which of the following is when humans first suspected the existence of microbes?
A. during the Industrial Revolution
B. in prehistoric times*
C. in the last century
D. within the last 500 years
Difficulty: Easy
ASM Standard: 23
3. Which individual first observed unicellular organisms, which he called “animalcules,” using a
microscope he developed?
Page 2 of 20
, A. Robert Koch
B. Louis Pasteur
C. Thucydides
D. Antonie van Leeuwenhoek*
Difficulty: Easy
ASM Standard: 6
4. To reduce the risk of open flame from Bunsen burners, microbiologists are increasingly
using which of the following devices for easy, rapid benchtop sterilization of small pieces of
equipment?
A. autoclaves
B. ethylene oxide
C. incubators
D. microincinerators*
Difficulty: Easy
ASM Standard: 36
5. The Swedish botanist known for having developed an important biological classification
system is which of the following people?
A. Ernst Haeckel
B. Carolus Linnaeus*
C. Louis Pasteur
D. Robert Whittaker
Difficulty: Easy
ASM Standard: N/A
6. Which kingdom was the only one found in Empire Prokaryota?
A. Animalia
B. Fungi
C. Monera*
D. Protista
Difficulty: Easy
ASM Standard: N/A
7. Which are the three currently accepted domains?
A. Archaea, Bacteria, and Eukarya*
B. Archaea, Prokaryota, and Eukaryota
C. Bacteria, Fungi, and Protista
Page 3 of 20
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