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, Brock Biology of Microorganisms, 16th(Madigan/Martinko)
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Chapter 1: Microorganisms and Microbiology
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MULTIPLE CHOICE bj




1) Which statement is not true as a general rule?
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A) Microbial cells exist as single cells or in cell clusters.
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B) Microbial cells carry out their life processes independently.
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C) Microbial cells include both bacteria and viruses.
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D) Microbial cells exclude the cells of plants and animals.
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Answer: C bj


2) Basic microbiology can be used to
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A) probe the nature of life processes.
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B) study biochemical properties common to all cells.
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C) model our understanding of cell function in higher organisms.
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D) all of the above.
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Answer: D
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3) Applied microbiology deals with problems in
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A) medicine.
B) agriculture.
C) industry.
D) all of the above.
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Answer: D
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4) The greatest source of biomass on Earth comes from
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A) prokaryotic cells. bj


B) plants.
C) animals.
D) plants and animals together.
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Answer: A
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5) The cell's genetic information is found in the
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A) cell membrane.
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B) nucleus or nucleoid. bj bj


C) cytoplasm.
D) none of the above.
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Answer: B bj



6) Because the cell communicates, exchanges materials with its environment, and undergoes change, it is
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called a(n)
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A) ancestral system. bj


B) dynamic entity. bj




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, C) closed system. bj



D) nucleoid system. bj



Answer: B
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7) Changes in cellular characteristics are transmitted to offspring through the process of
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A) chemical signaling. bj


B) reproductive initiative. bj


C) evolution.
D) none of the above. bj bj bj b



Answer: C
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8) Catalysts involved in the acceleration of the rate of chemical reactions are called
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A) catalytic converters. bj


B) growth agents. bj


C) evolutionary molecules. bj



D) enzymes.
Answer: D
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9) Regarding early life on Earth: bj bj bj bj


A) Microbial life existed on Earth for billions of years before plant and animal life.
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B) Microbial life existed on Earth long before animals but has been around for about the same amount of
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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 on Earth.
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Answer: A bj


10) Most prokaryotic cells reside bj bj bj


A) on the Earth's surface.
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B) in the Earth's lakes, rivers, and oceans.
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C) in and on non-prokaryotic organisms (including humans and other animals).
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D) in the oceanic and terrestrial subsurfaces.
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Answer: D
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11) The person who described the "wee animalcules" was
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A) Hooke.
B) van Leeuwenhoek.
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C) Pasteur.
D) Cohn. bj


Answer: B bj


12) Fannie Hesse is credited with giving bj bj bj bj bj


the ideas for using agar as a solidifying agent. bj bj bj bj bj bj bj bj


A) Pasteur




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, B) Cohn
C) Koch
D) Winogradsky
Answer: C
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13) Which of the following is/are characteristic of cellular organisms?
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A) Metabolism
B) Reproduction
C) Communication
D) All of the above
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Answer: D
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14) Which of the following is not a major ecosystem?
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A) Aquatic
B) Terrestrial
C) Atmospheric
D) Higher organisms, both plant and animal
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Answer: C
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15) Which statement is true? bj bj bj


A) Populations are assemblages of microbial communities. bj bj bj bj bj


B) Microbial communities are assemblages of populations.
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C) Habitats are assemblages of microbial communities.
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D) Populations are assemblages of habitats. bj bj bj bj b


Answer: B
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16) The export of U.S. beef to foreign markets was shut down in 2003 due to
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A) AIDS.
B) smallpox.
C) tuberculosis.
D) mad cow disease.
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bj Answer: D bj



17) During a very scientifically productive period in his life, Pasteur developed vaccines for
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A) anthrax.
B) fowl cholera. bj


C) rabies.
D) all of the above.
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Answer: D
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18) The discovery of antibiotics and other important chemicals led to the field of
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A) industrial microbiology. bj


B) agricultural microbiology. bj


C) marine microbiology. bj




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