Microbiology Midterm Review

145 Questions  I  By Tgerdel on April 15, 2009
Practice test for the Microbiology Midterm.

  
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1.  Which of the following is not considered a microorganism?
A.
B.
C.
D.
E.
2.  When patient tissues are transfected with viruses carrying a needed, normal human gene, the technique is called
A.
B.
C.
D.
E.
3.  Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?
A.
B.
C.
D.
E.
4.  Microorganisms require small quantities of this nutrient for enzyme function and maintenance of protein structure:
A.
B.
C.
D.
E.
5.  The shortest time required to kill all the microbes in a sample at a specified temperature is called the
A.
B.
C.
D.
E.
6.  Which of the following is the correct way to write the scientific name of this bacterium?
A.
B.
C.
D.
E.
7.  The transfer of genes during bacterial conjugation involves rigid, tubular appendages called
A.
B.
C.
D.
E.
8.  A microbiologist makes a fixed smear of bacterial cells and stains them with Loeffler's methylene blue.  All the cells appear blue under the oil lens.  This is an example of
A.
B.
C.
D.
E.
9.  Which is incorrect about chocolate agar?
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B.
C.
D.
E.
10.  Amplification of DNA is accomplished by
A.
B.
C.
D.
E.
11.  EcoRI and HindIII are
A.
B.
C.
D.
E.
12.  An organism with a temperature growth range of 45 degrees Celsius to 60 degrees Celsius would be called a/an
A.
B.
C.
D.
E.
13.  Disease-causing microorganisms are called
A.
B.
C.
D.
E.
14.  The surgeon who advocated using disinfectants on hands and in the air prior to surgery was
A.
B.
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D.
E.
15.  The most immediate result of destruction of a cell's ribosomes would be
A.
B.
C.
D.
E.
16.  Viruses have all the following except
A.
B.
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D.
E.
17.  The term heterotroph refers to an organism that
A.
B.
C.
D.
E.
18.  Sequences of DNA that are identical when read from the 5' to 3' direction on one strand and the 3' to 5' direction on the other strand are
A.
B.
C.
D.
E.
19.  The correct sequence of events in viral multiplication is
A.
B.
C.
D.
E.
20.  Satellite viruses are
A.
B.
C.
D.
E.
21.  During aerobic cellular respiration, the final electron acceptor is
A.
B.
C.
D.
E.
22.  Host range is limited by
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B.
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D.
E.
23.  The deliberate removal of genetic material from one organism and combining it with the genetic material of another organism is a specific technique called
A.
B.
C.
D.
E.
24.  Viruses acquire envelopes around their nucleocapsids during
A.
B.
C.
D.
E.
25.  These structures are used by bacteriophages to attach to host cell receptors
A.
B.
C.
D.
E.
26.  Larvae and eggs are developmental forms of
A.
B.
C.
D.
E.
27.  The function of bacterial endospores is
A.
B.
C.
D.
E.
28.  Which of the following characteristics refers to the microscope's ability to show two separate entities as separate and distinct?
A.
B.
C.
D.
E.
29.  Endospores are
A.
B.
C.
D.
E.
30.  During which of the phases of cellular respiration is the majority of ATP formed?
A.
B.
C.
D.
E.
31.  A scientist collects grass clippings to find the source of an outbreak of tularemia is an example of working in the field of
A.
B.
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D.
E.
32.  Protists include
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B.
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D.
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33.  The outcome of the Gram stain is based on differences in the cell's
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B.
C.
D.
E.
34.  Creutzfeld-Jacob disease is
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D.
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35.  Helical and icosahedral are terms used to describe the shapes of a virus
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B.
C.
D.
E.
36.  Eucaryotic flagella differ from procaryotic flagella because only eucaryotic flagella
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B.
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D.
E.
37.  Among the microorganisms, various genomes can include
A.
B.
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D.
E.
38.  When buds remain attached, they form a chain of yeast cells called
A.
B.
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D.
E.
39.  Pasteur used swan-neck flasks in his experiments to prove that
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D.
E.
40.  Fungi that grow as yeast at one temperature but will grow as mold at another temperature are called
A.
B.
C.
D.
E.
41.  The study of evolutionary relationships among organisms is called
A.
B.
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D.
E.
42.  Analysis of DNA fragments in gel electrophoresis involves
A.
B.
C.
D.
E.
43.  Helminths are
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D.
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44.  The process that destroys or removes all microorganisms and microbial forms including bacterial endospores is
A.
B.
C.
D.
E.
45.  Which of the following will not support viral cultivation?
A.
B.
C.
D.
E.
46.  The primary purpose of staining cells on a microscope slide is to
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B.
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D.
E.
47.  The use of energy by a cell to enclose a substance in its membrane by forming a vacuole and engulfing it is called
A.
B.
C.
D.
E.
48.  Which of the following are the main decomposers of the earth?
A.
B.
C.
D.
E.
49.  All bacterial cells have
A.
B.
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D.
E.
50.  The type of microscope in which you would see brightly illuminated specimens against a black background is
A.
B.
C.
D.
E.
51.  What is the correct sequence for a Gram stain?
A.
B.
C.
D.
E.
52.  The movement of substances from higher to lower concentration across a semipermeable membrane that must have a specific protein carrier but no energy expenditure is called
A.
B.
C.
D.
E.
53.  The time interval from parent cell to two new daughter cells is called the
A.
B.
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D.
E.
54.  Which of the following is a scientific name?
A.
B.
C.
D.
E.
55.  Sources for human infection with worms are all of the following except
A.
B.
C.
D.
E.
56.  An organelle that is a stack of flattened, membranous sacs and functions to receive, modify, and package proteins for cell secretion is the
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B.
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D.
E.
57.  Host cells of viruses include
A.
B.
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D.
E.
58.  Bacterial conjugation involves
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B.
C.
D.
E.
59.  The organelle involved in intracellular digestion of food particles is the
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D.
E.
60.  In bacterial cells, the electron transport system is located in the
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D.
E.
61.  Which of the following is found in eucaryotic cells but not in procaryotic cells?
A.
B.
C.
D.
E.
62.  The term that refers to the presence of flagella all over the cell surface is
A.
B.
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D.
E.
63.  The Five I's of studying microorganisms include all of the following except
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B.
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D.
E.
64.  All of the following are correct about biofilms except
A.
B.
C.
D.
E.
65.  The term phototroph refers to an organism that
A.
B.
C.
D.
E.
66.  When a rod shaped bacteria is short and plump, it is called a
A.
B.
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D.
E.
67.  Spontaneous generation is the belief that
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B.
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D.
E.
68.  Enzymes are
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D.
E.
69.  Organisms that feed on dead organisms for nutrients are called
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B.
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D.
E.
70.  The various techniques by which scientists manipulate DNA in the lab is called
A.
B.
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D.
E.
71.  In which pathway is the most NADH generated?
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B.
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D.
E.
72.  A microbiologist inoculates Staphylococcus epidermidis and Escherichia coli into a culture medium.  Following incubation, only the E. coli grows in the culture.  What is the most likely explanation?
A.
B.
C.
D.
E.
73.  Koch's postulates are criteria used to establish that
A.
B.
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D.
E.
74.  A mutation that changes a normal codon to a stop codon is called a
A.
B.
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D.
E.
75.  Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called
A.
B.
C.
D.
E.
76.  The specimen preparation that is best for viewing cell motility is
A.
B.
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D.
E.
77.  Groups of three consecutive bases along the DNA of a gene have the code for one
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D.
E.
78.  Transgenic animals
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D.
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79.  Which of the following is essential for development of discrete, isolated colonies?
A.
B.
C.
D.
E.
80.  Visible, clear, well-defined patches in a monolayer of virus-infected cells in a culture are called
A.
B.
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D.
E.
81.  The phase of the bacterial growth curve in which newly inoculated cells are adjusting to their new environment, metabolizing but not growing is the
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D.
E.
82.  Which of the following diseases probably involves microbial infection?
A.
B.
C.
D.
E.
83.  Which term is not used to describe bacterial cell shapes?
A.
B.
C.
D.
E.
84.  This microscope achieves the greatest resolution and highest magnification:
A.
B.
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D.
E.
85.  The easiest microbial forms to kill or inhibit are
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D.
E.
86.  Microbiological contaminants are best described as
A.
B.
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D.
E.
87.  A microbiologist inoculates Staphylococcus aureus into a culture medium.  Following incubation, both Staphylococcus aureus and Staphylococcus epidermidis are determined to be growing in this culture.  What is the most likely explanation?
A.
B.
C.
D.
E.
88.  All of the following are correct about prokaryotes except
A.
B.
C.
D.
E.
89.  This is often used in forensic science to distinguish one sequence of DNA from another by comparing the sequence of the strands at specific loci:
A.
B.
C.
D.
E.
90.  A microaerophile
A.
B.
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D.
E.
91.  Enzymes that can function at boiling water temperatures or other harsh conditions would be termed
A.
B.
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D.
E.
92.  Which common hospital pathogen is able to grow abundantly in soap dishes?
A. <