Brock Biology of Microorganisms, 11e
(Madigan/Martinko)
Chapter 1: Microorganisms and Microbiology
1) Which statement is not true as a
... [Show More] general
rule?
A) Microbial cells exist as single cells or in cell
clusters.
B) Microbial cells carry out their life processes
independently.
C) Microbial cells include both bacteria and
viruses.
D) Microbial cells exclude the cells of plants and
animals.
Answer: C
2) Basic microbiology can be used to
A) probe the nature of life processes.
B) study biochemical properties common to all
cells.
C) model our understanding of cell function in
higher organisms.
D) all of the above.
Answer: D
3) Applied microbiology deals with problems in
A) medicine.
B) agriculture.
C) industry.
D) all of the above.
Answer: D
4) The greatest source of biomass on Earth
comes from
A) prokaryotic cells.
B) plants.
C) animals.
D) plants and animals together.
Answer: A
5) The cell's genetic information is found in the
A) cell membrane.
B) nucleus or nucleoid.
C) cytoplasm.
D) none of the above.
Answer: B
6) Because the cell communicates, exchanges
materials with its environment, and undergoes
change, it is called a(n)
A) ancestral system.
B) dynamic entity.
C) closed system.
D) nucleoid system.
Answer: B
7) Changes in cellular characteristics are
transmitted to offspring through the process of
A) chemical signaling.
B) reproductive initiative.
C) evolution.
D) none of the above.
Answer: C
8) Catalysts involved in the acceleration of the
rate of chemical reactions are called
A) catalytic converters.
B) growth agents.
C) evolutionary molecules.
D) enzymes.
Answer: D
9) Regarding early life on Earth:
A) Microbial life existed on Earth for billions of
years before plant and animal life.
B) Microbial life existed on Earth long before
animals but has been around for about the same
amount of time as plants.
C) Microbial life, plant life, and animal life all
appeared at about the same time.
D) It is impossible to determine which type of life
first appeared on Earth.
Answer: A
10) Most prokaryotic cells reside
A) on the Earth's surface.
B) in the Earth's lakes, rivers, and oceans.
C) in and on non-prokaryotic organisms
(including humans and other animals).
D) in the oceanic and terrestrial subsurfaces.
Answer: D
11) The person who described the "wee
animalcules" was
A) Hooke.
B) van Leeuwenhoek.
C) Pasteur.
D) Cohn.
Answer: B
12) Fannie Hesse is credited with giving
__________ the ideas for using agar as a
solidifying agent.
A) Pasteur
B) Cohn
C) Koch
D) Winogradsky
Answer: C
13) Which of the following is/are characteristic
of cellular organisms?
A) Metabolism
B) Reproduction
C) Communication
D) All of the above
Answer: D
14) Which of the following is not a major
ecosystem?
A) Aquatic
B) Terrestrial
C) Atmospheric
D) Higher organisms, both plant and animal
Answer: C
15) Which statement is true?
A) Populations are assemblages of microbial
communities.
B) Microbial communities are assemblages of
populations.
C) Habitats are assemblages of microbial
communities.
D) Populations are assemblages of habitats.
Answer: B
16) The export of U.S. beef to foreign markets
was shut down in 2003 due to
A) AIDS.
B) smallpox.
C) tuberculosis.
D) mad cow disease.
Answer: D
17) During a very scientifically productive
period in his life, Pasteur developed vaccines for
A) anthrax.
B) fowl cholera.
C) rabies.
D) all of the above.
Answer: D
18) The discovery of antibiotics and other
important chemicals led to the field of
A) industrial microbiology.
B) agricultural microbiology.
C) marine microbiology.
D) aquatic microbiology.
Answer: A
19) Microbial sterilization is used to
A) decrease the possibility of contaminants
growing in a culture.
B) kill bacteria but not necessarily viruses or other
microbes.
C) kill all microbes in or on objects.
D) clean a work area.
Answer: C
20) Flat covered dishes used for growing
microbes are most commonly called
A) Petri dishes.
B) baker dishes.
C) sterilization plates.
D) culture medium plates.
Answer: A [Show Less]