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T.MADIGAN
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Chapter 1 The Microbial World
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Test Bank For Brock Biology of Microorganisms 15th Edition By Michael T. Madigan
1.1 Multiple Choice Questions #Kkiju #Kkiju
1) Which
Brock of of
Biology the following statements
Microorganisms, is FALSE?
15e (Madigan
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et al.)
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A) Microbial cells can exist as single cells.#Kkiju #Kkiju #Kkiju #Kkiju #Kkiju #Kkiju
B) Microbial cells carry out their life processes of growth independently.
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C) Microbial cells include both bacteria and viruses.
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D) Microbial cells are surrounded by a plasma membrane.
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Answer c #Kkiju
2) Which of the #Kkiju #Kkiju #Kkiju following statements is correct? #Kkiju #Kkiju #Kkiju
A) Microorganisms are significant contributors to the
#Kkiju #Kkiju #Kkiju #Kkiju #Kkiju total biomass on Earth.
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B) Microorganisms represent a much smaller amount
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C) Microorganisms #Kkiju represent a much smaller amount #Kkiju #Kkiju #Kkiju #Kkiju of Earth’s biomass than animals.
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D) Microorganisms are significant in number, but not
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Answer a #Kkiju
3) Differential selection and reproduction of phenotypes occurs during a process called
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A) cellular differentiation. #Kkiju
B) evolution.
C) growth.
D) transformation.
Answer b #Kkiju
4) In what/which domain(s) of life is/are microorganisms represented?
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A) Archaea
B) Bacteria
C) Eukarya
D) Archaea, Bacteria, and Eukarya #Kkiju #Kkiju #Kkiju
Answer d #Kkiju
5) Biological catalysts involved in the acceleration of the rate of chemical reactions are called
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A) catalytic converters. #Kkiju
B) growth agents. #Kkiju
C) evolutionary molecules. #Kkiju
D) enzymes.
Answer d #Kkiju
6) Regarding early life on Earth #Kkiju #Kkiju #Kkiju #Kkiju
A) microbial life existed for billions of years before plant and animal life.
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B) microbial life existed long before animals but has been around for about the same amount of time as
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plants.
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C) microbial life, plant life, and animal life all appeared at about the same time.
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D) it is impossible to determine which type of life first appeared.
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Answer a #Kkiju
,7) The person who described the “wee animalcules” was
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A) Robert Hooke. #Kkiju
B) Antoni van Leeuwenhoek.
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C) Louis Pasteur.
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D) Ferdinand Cohn. #Kkiju
Answer b #Kkiju
Chapter Section:
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8) Walther Hesse and #Kkiju #Kkiju pioneered the use of agar as a solidifying agent.
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A) Louis Pasteur #Kkiju
B) Ferdinand Cohn #Kkiju
C) Robert Koch #Kkiju
D) Sergei Winogradsky
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Answer c #Kkiju
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9) Which of the following is/are characteristic of all cellular organisms?
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A) communication
B) evolution
C) motility
D) communication, evolution, and motility #Kkiju #Kkiju #Kkiju
Answer b #Kkiju
10) Deduce why viruses are excluded from the ribosomal RNA—based tree of life.
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A) Some viruses contain multiple strands of RNA.
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B) Their genetic elements cannot be sequenced.
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C) They can infect other organisms, which complicates the genetic comparisons.
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D) They lack ribosomal RNA (rRNA).
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Answer d #Kkiju
3
11) Louis Pasteur developed the vaccine(s) for
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A) anthrax only. #Kkiju
B) fowl cholera only.
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C) rabies only. #Kkiju
D) anthrax, fowl cholera, and rabies.
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Answer d #Kkiju
Chapter Section:
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12) The discovery of antibiotics and other important chemicals led to the field of
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A) industrial microbiology. #Kkiju
B) agricultural microbiology. #Kkiju
C) marine microbiology. #Kkiju
D) aquatic microbiology. #Kkiju
Answer a #Kkiju
13) Microbial sterilization is used to #Kkiju #Kkiju #Kkiju #Kkiju
A) decrease the possibility of contaminants growing in a culture.
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B) kill bacteria but not necessarily viruses or other microbes.
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C) kill all microbes in or on objects.
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D) clean a work area.
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Answer c #Kkiju
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