Test Bank For Brock Biology of Microorganisms, 16E by Madigan .

TEST BANK FOR BROCK BIOLOGY OF
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MICROORGANISM
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Test Bank For Brock Biology of
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16TH EDITION BY MICHAEL
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T.MADIGAN
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Chapter 1 t x ti t x t i t x t i The Microbial World tx t i t xt i




1.1 Multiple Choice Questions txti tx ti




1) Which of the following statements is FALSE?
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A) Microbial cells can exist as single cells. tx t i txti txti txti txti tx ti




B) Microbial cells carry out their life processes of growth independently.
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C) Microbial cells include both bacteria and viruses. txt i txti txti txt i txt i txti




D) Microbial cells are surrounded by a plasma membrane. txti txti txti txti txti tx t i t xt i




2) Which of the following statements is correct?
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A) Microorganisms are significant contributors to the total biomass on Earth. txti txti txti txti txti txti txt i txti txti




B) Microorganisms represent a much smaller amount of Earth’s biomass than plants. txti txti txti txti txti txti txti txti txti txti




C) Microorganisms represent a much smaller amount of Earth’s biomass than animals. txti txti txti tx t i txti t xti txti txti txti txti




D) Microorganisms are significant in number, but not in overall biomass. txti txti txti txti txti txti txti txti txti




3) Differential selection and reproduction of phenotypes occurs during a process called
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A) cellular differentiation. txti




B) evolution.
C) growth.
D) transformation.




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 txti txti txti




5) Biological catalysts involved in the acceleration of the rate of chemical reactions are called
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A) catalytic converters. txti




B) growth agents. tx ti




C) evolutionary molecules. txti




D) enzymes.

,6) Regarding early life on Earth
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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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,7) The person who described the “wee animalcules” was
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A) Robert Hooke. iu


B) Antoni van Leeuwenhoek. txti txti




C) Louis Pasteur. txti




D) Ferdinand Cohn. txti




Chapter Section: txti t x t i t x t i 1.5

8) Walther Hesse and txt i txti pioneered the use of agar as a solidifying agent. txti t x t i txti txti txti txti txti txti




A) Louis Pasteur txti




B) Ferdinand Cohn txti




C) Robert Koch txti




D) Sergei Winogradsky txti




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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 txti txti txti




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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11) Louis Pasteur developed the vaccine(s) for
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A) anthrax only. iu


B) fowl cholera only.
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C) rabies only. txti




D) anthrax, fowl cholera, and rabies. txti txti txti txti




Chapter Section: txti t x t i t x t i 1.9

12) The discovery of antibiotics and other important chemicals led to the field of
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A) industrial microbiology. txti




B) agricultural microbiology. txti




C) marine microbiology. txti




D) aquatic microbiology. txti




13) Microbial sterilization is used to txt i txti txti txti




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. tx ti txti txti

, Chapter Section: txti t x t i t x t i 1.9

14) Transparent double-sided dishes used for growing microbes are most commonly called txti t xti txti txti txti txti txti txti txti txti




A) Petri dishes. txti




B) baker dishes. txt i




C) sterilization plates. txti




D) culture medium plates. txti txti




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15) Microbes playing a role in nitrogen fixation in plants live in , while those playing a role in the
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digestive tract ofcertain herbivores live in
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A) rumens / nodules txt i t xt i




B) nodules / rumens tx t i tx ti




C) nodules / fortrans txti txti




D) fortrans / rumens txti txti




16) Which of the following is NOT an accomplishment of Louis Pasteur?
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A) determined that the alcohol-making process was mediated by microbial fermentation and thus
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refuted the theory ofspontaneous generation
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B) developed enrichment culture techniques txti iu txti




C) developed heat sterilization techniques that involved the creation of a specialized swan-necked flask
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D) developed the first rabies vaccine and treated thousands of individuals
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Chapter Section: txti t x t i t x t i 1.9

17) The theory of spontaneous generation was refuted by the work of
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A) Louis Pasteur. txti




B) Robert Koch. txti




C) Robert Hooke. txti




D) Antoni van Leeuwenhoek. txti txti




Chapter Section: txti t x t i t x t i 1.9

18) A Pasteur flask has a(n)
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A) swan neck to prevent particulate matter from getting into the main body of the flask.
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B) double neck so two substances may be added at the same time.
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C) secondary opening at the base to allow for drainage. txti t xt i txti txti txti txti tx ti tx t i




D) inverted upper edge to prevent spillage while swirling.
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Chapter Section: txti t x t i t x t i 1.9


19) Predict how Pasteur’s conclusions on spontaneous generation with swan flasks would have changed if
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he worked with andmaintained the flasks in a sterile laminar flow hood.
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A) Sterilization of the swan flask solutions would not have been necessary to reject spontaneous
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generation. If he did sterilizethe flasks, the spontaneous generation hypothesis would have been
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supported.
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B) His incubation times would not have been sufficient to refute spontaneous generation.
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C) Pasteur’s flasks never would have putrefied, and the experiment would not have refuted spontaneous generation.
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D) Viruses would have still been present, and his conclusion would have been unchanged.
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