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TEST BANK FOR BROCK BIOLOGY OF MICROORGANISM
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gg 16TH EDITION BY MICHAEL T. MADIGAN A+
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Chapter 1 The Microbial World
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1.1 Multiple Choice Questions
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1) Which of the following statements is FALSE?
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A) Microbial cells can exist as single cells.
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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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2) Which of the following statements is correct?
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A) Microorganisms are significant contributors to the total biomass on Earth.
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B) Microorganisms represent a much smaller amount of Earth’s biomass than
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plants.
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C) Microorganisms represent a much smaller amount of Earth’s biomass than
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animals.
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D) Microorganisms are significant in number, but not in overall biomass.
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3) Differential selection and reproduction of phenotypes occurs during a process
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called
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A) cellular differentiation.
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B) evolution.
C) growth.
D) transformation.
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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 gg gg gg
5) Biological catalysts involved in the acceleration of the rate of chemical reactions
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A) catalytic converters. gg
B) growth agents. gg
C) evolutionary molecules. gg
D) enzymes.
6) Regarding early life on Earth gg gg gg gg
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
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same amount of time as 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. gg
B) Antoni van Leeuwenhoek. gg gg
C) Louis Pasteur. gg
D) Ferdinand Cohn. gg
Chapter Section: 1.5
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8) Walther Hesse and pioneered the use of agar as a solidifying agent.
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A) Louis Pasteur gg
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