Microbiology Midterm Review

145 Questions  I  By Tgerdel
Practice test for the Microbiology Midterm.

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  During which of the phases of cellular respiration is the majority of ATP formed?
A.
B.
C.
D.
E.
2.  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.
3.  Creutzfeld-Jacob disease is
A.
B.
C.
D.
E.
4.  Which of the following is not considered a microorganism?
A.
B.
C.
D.
E.
5.  The term phototroph refers to an organism that
A.
B.
C.
D.
E.
6.  The shortest time required to kill all the microbes in a sample at a specified temperature is called the
A.
B.
C.
D.
E.
7.  These structures are used by bacteriophages to attach to host cell receptors
A.
B.
C.
D.
E.
8.  Transgenic animals
A.
B.
C.
D.
E.
9.  Which is mismatched?
A.
B.
C.
D.
E.
10.  If a microbiologist is studying a specimen at a total magnification of 950X, what is the magnifying power of the objective lens is 10X?
A.
B.
C.
D.
E.
11.  Spontaneous generation is the belief that
A.
B.
C.
D.
E.
12.  A microaerophile
A.
B.
C.
D.
E.
13.  Infectious protein particles are called
A.
B.
C.
D.
E.
14.  All of the following structures contribute to the ability of pathogenic bacteria to cause disease except
A.
B.
C.
D.
E.
15.  Which of the following are the main decomposers of the earth?
A.
B.
C.
D.
E.
16.  In which pathway is the most NADH generated?
A.
B.
C.
D.
E.
17.  The motile, feeding stage of protozoa is called the
A.
B.
C.
D.
E.
18.  Bacteria that require special growth factors and complex organic substances are called
A.
B.
C.
D.
E.
19.  Which cell structure is an important agent in modern genetic engineering techniques?
A.
B.
C.
D.
E.
20.  Which of the following will not support viral cultivation?
A.
B.
C.
D.
E.
21.  Host range is limited by
A.
B.
C.
D.
E.
22.  During aerobic cellular respiration, the final electron acceptor is
A.
B.
C.
D.
E.
23.  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.
24.  Which of the following diseases probably involves microbial infection?
A.
B.
C.
D.
E.
25.  Helminths are
A.
B.
C.
D.
E.
26.  Which of the following is essential for development of discrete, isolated colonies?
A.
B.
C.
D.
E.
27.  All of the following are found in some or all protozoa except
A.
B.
C.
D.
E.
28.  The breakdown of peptidoglycan to N-acetylmuramic acid, N-acetylglucosamine and peptides is an example of
A.
B.
C.
D.
E.
29.  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.
30.  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.
31.  The RNA molecules that carry amino acids to the ribosomes during protein synthesis are called
A.
B.
C.
D.
E.
32.  A microbiologist decides to use a nutrient medium that contains thioglycollic acid.  What type of microbe is she attempting to culture?
A.
B.
C.
D.
E.
33.  Organisms called parasites are
A.
B.
C.
D.
E.
34.  The easiest microbial forms to kill or inhibit are
A.
B.
C.
D.
E.
35.  The organelle involved in intracellular digestion of food particles is the
A.
B.
C.
D.
E.
36.  HEPA filters are used to remove microbes from
A.
B.
C.
D.
E.
37.  The microorganisms that do not have a nucleus in their cells are called
A.
B.
C.
D.
E.
38.  When patient tissues are transfected with viruses carrying a needed, normal human gene, the technique is called
A.
B.
C.
D.
E.
39.  Filamentous fungi are called
A.
B.
C.
D.
E.
40.  Host cells of viruses include
A.
B.
C.
D.
E.
41.  When a rod shaped bacteria is short and plump, it is called a
A.
B.
C.
D.
E.
42.  The primary purpose of staining cells on a microscope slide is to
A.
B.
C.
D.
E.
43.  Helical and icosahedral are terms used to describe the shapes of a virus
A.
B.
C.
D.
E.
44.  The core of every virus particle always contains
A.
B.
C.
D.
E.
45.  Which organelle contains cristae where enzymes and electron carriers for aerobic respiration are found?
A.
B.
C.
D.
E.
46.  The Five I's of studying microorganisms include all of the following except
A.
B.
C.
D.
E.
47.  Sterilization is achieved by
A.
B.
C.
D.
E.
48.  A mutation that changes a normal codon to a stop codon is called a
A.
B.
C.
D.
E.
49.  Protists include
A.
B.
C.
D.
E.
50.  The DNA of microorganisms is made up of subunits called
A.
B.
C.
D.
E.
51.  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.
52.  Enzymes that can function at boiling water temperatures or other harsh conditions would be termed
A.
B.
C.
D.
E.
53.  The term that refers to the presence of flagella all over the cell surface is
A.
B.
C.
D.
E.
54.  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.
55.  Analysis of DNA fragments in gel electrophoresis involves
A.
B.
C.
D.
E.
56.  The virus-induced, specific damage to the host cell that can be seen in a light microscope is called
A.
B.
C.
D.
E.
57.  The various techniques by which scientists manipulate DNA in the lab is called
A.
B.
C.
D.
E.
58.  Visible, clear, well-defined patches in a monolayer of virus-infected cells in a culture are called
A.
B.
C.
D.
E.
59.  The correct sequence of events in viral multiplication is
A.
B.
C.
D.
E.
60.  Physical agents for controlling microbial growth include all the following except
A.
B.
C.
D.
E.
61.  Larvae and eggs are developmental forms of
A.
B.
C.
D.
E.
62.  A bacterial genus that has waxy mycolic acid in the cell walls is
A.
B.
C.
D.
E.
63.  The most immediate result of destruction of a cell's ribosomes would be
A.
B.
C.
D.
E.
64.  Microbiological contaminants are best described as
A.
B.
C.
D.
E.
65.  Microorganisms require large quantities of this nutrient for use in cell structure and metabolism:
A.
B.
C.
D.
E.
66.  In the cell, energy released by electrons is often used to phosphorylate
A.
B.
C.
D.
E.
67.  All bacterial cells have
A.
B.
C.
D.
E.
68.  Microorganisms require small quantities of this nutrient for enzyme function and maintenance of protein structure:
A.
B.
C.
D.
E.
69.  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.
70.  Disease-causing microorganisms are called
A.
B.
C.
D.
E.
71.  Which common hospital pathogen is able to grow abundantly in soap dishes?
A.
B.
C.
D.
E.
72.  The duplication of a cell's DNA is called
A.
B.
C.
D.
E.
73.  The cell's series of tunnel-like membranes functioning in transport and storage are the
A.
B.
C.
D.
E.
74.  Which of the following is a scientific name?
A.
B.
C.
D.
E.
75.  Enzymes are
A.
B.
C.
D.
E.
76.  The use of chemical agents directly on exposed body surfaces to destroy or inhibit vegetative pathogens is
A.
B.
C.
D.
E.
77.  When buds remain attached, they form a chain of yeast cells called
A.
B.
C.
D.
E.
78.  Semiconservative replication refers to
A.
B.
C.
D.
E.
79.  Satellite viruses are
A.
B.
C.
D.
E.
80.  In bacterial cells, the electron transport system is located in the
A.
B.
C.
D.
E.
81.  Koch's postulates are criteria used to establish that
A.
B.
C.
D.
E.
82.  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.
83.  Organisms that feed on dead organisms for nutrients are called
A.
B.
C.
D.
E.
84.  The time interval from parent cell to two new daughter cells is called the
A.
B.
C.
D.
E.
85.  Which of the following is correct about viruses?
A.
B.
C.
D.
E.
86.  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.
87.  A technique that separates a readable pattern of DNA fragments is
A.
B.
C.
D.
E.
88.  Chitin is a chemical component of the cell walls of
A.
B.
C.
D.
E.
89.  The surgeon who advocated using disinfectants on hands and in the air prior to surgery was
A.
B.
C.
D.
E.
90.  The movement of substances from lower to higher concentration across a semipermeable membrane that must have a specific protein carrier and use energy is called
A.
B.
C.
D.
E.
91.  All of the following is correct about treating viral diseases except
A.
B.
C.
D.
E.
92.  All of the following are correct about prokaryotes except
A.
B.
C.
D.
E.
93.  The phase of the bacterial growth curve in which newly inoculated cells are adjusting to their new environment, metabolizing but not growing is the
A.
B.
C.
D.
E.
94.  The term that refers to the purposeful addition of microorganisms into a laboratory nutrient medium is
A.
B.
C.
D.
E.
95.  Which of the following is the correct way to write the scientific name of this bacterium?
A.
B.
C.
D.
E.
96.  The type of microscope in which you would see brightly illuminated specimens against a black background is
A.
B.
C.
D.
E.
97.  Organelles found in algae but not found in protozoa or fungi are the
A.
B.
C.
D.
E.
98.  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.
99.  Virus capsids are made from subunits called
A.
B.
C.
D.
E.
100.  The transfer of genes during bacterial conjugation involves rigid, tubular appendages called
A.
B.
C.
D.
E.
101.  All of the following are correct about biofilms except
A.
B.
C.
D.
E.
102.  All of the following are correct about food irradiation except
A.
B.
C.
D.
E.
103.  Thermococcus litoralis and Thermus aquaticus are thermophilic bacteria that are
A.
B.
C.
D.
E.
104.  All of the following are correct about agar except
A.
B.
C.
D.
E.
105.  Among the microorganisms, various genomes can include
A.
B.
C.
D.
E.
106.  Cilia are found in certain
A.
B.
C.
D.
E.
107.  Sources for human infection with worms are all of the following except
A.
B.
C.
D.
E.
108.  What is the correct sequence for a Gram stain?
A.
B.
C.
D.
E.
109.  The antiparallel arrangement within DNA molecules refers to
A.
B.
C.
D.
E.
110.  Viruses have all the following except
A.
B.
C.
D.
E.
111.  The term heterotroph refers to an organism that
A.
B.
C.
D.
E.
112.  Fungi that grow as yeast at one temperature but will grow as mold at another temperature are called
A.
B.
C.
D.
E.
113.  The process that destroys or removes all microorganisms and microbial forms including bacterial endospores is
A.
B.
C.
D.
E.
114.  Amplification of DNA is accomplished by
A.
B.
C.
D.
E.
115.  Which method often results in colonies developing down throughout the agar and some colonies on the surface?
A.
B.
C.
D.
E.
116.  The outcome of the Gram stain is based on differences in the cell's
A.
B.
C.
D.
E.
117.  Formation of peptide bonds between amino acids to build a polypeptide would be called
A.
B.
C.
D.
E.
118.  Endospores are
A.
B.
C.
D.
E.
119.  Which of the following diseases is transmitted by mosquitoes?
A.
B.
C.
D.
E.
120.  EcoRI and HindIII are
A.
B.
C.
D.
E.
121.  The specimen preparation that is best for viewing cell motility is
A.
B.
C.
D.
E.
122.  Which of the following is found in eucaryotic cells but not in procaryotic cells?
A.
B.
C.
D.
E.
123.  A bacterial cell exhibiting chemotaxis probably has
A.
B.
C.
D.
E.
124.  Infectious naked strands of RNA are called
A.
B.
C.
D.
E.
125.  Viruses that cause infection resulting in alternating periods of activity with symptoms and inactivity without symptoms are called
A.
B.
C.
D.
E.
126.  Viruses acquire envelopes around their nucleocapsids during
A.
B.
C.
D.
E.
127.  Bacterial conjugation involves
A.
B.
C.
D.
E.
128.  An organism's genotype includes all the following except they
A.
B.
C.
D.
E.
129.  The study of evolutionary relationships among organisms is called
A.
B.
C.
D.
E.
130.  All of the following are examples of different types of microbiological media except
A.
B.
C.
D.
E.
131.  Which type of medium is able to distinguish different species or types of microorganisms based on an observable change in the colonies or in the medium?
A.
B.
C.
D.
E.
132.  Which term is not used to describe bacterial cell shapes?
A.
B.
C.
D.
E.
133.  Peptidoglycan is a unique macromolecule found in bacterial
A.
B.
C.
D.
E.
134.  Spirochetes have a twisting and flexing locomotion due to appendages called
A.
B.
C.
D.
E.
135.  Pasteur used swan-neck flasks in his experiments to prove that
A.
B.
C.
D.
E.
136.  Eucaryotic flagella differ from procaryotic flagella because only eucaryotic flagella
A.
B.
C.
D.
E.
137.  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.
138.  Which is incorrect about chocolate agar?
A.
B.
C.
D.
E.
139.  Which of the following is not associated with every virus?
A.
B.
C.
D.
E.
140.  An organelle that is a stack of flattened, membranous sacs and functions to receive, modify, and package proteins for cell secretion is the
A.
B.
C.
D.
E.
141.  This microscope achieves the greatest resolution and highest magnification:
A.
B.
C.
D.
E.
142.  When humans manipulate the genes of microorganisms the process is called
A.
B.
C.
D.
E.
143.  Groups of three consecutive bases along the DNA of a gene have the code for one
A.
B.
C.
D.
E.
144.  The function of bacterial endospores is
A.
B.
C.
D.
E.
145.  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.
C.
D.
E.
Back to top
Quiz Comments (1)
to post comments.

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz