Microbiology
Chapter
1
1.
In the latter part of the twentieth century, scientists became increasingly
concerned about the threat of infectious diseases. Which of the following is
not a reason why the incidence of infectious diseases has risen?
A)
Advances in medicine
B)
Mobile populations
C)
Emerging
microbes/diseases
D)
Microbial adaptations
E)
Ineffective diagnoses
of diseases
2.
What is the branch of microbiology that involves DNA manipulation in order to
create new products and genetically modified organisms?
A)
Public health
B)
Biotechnology
C)
Genetic engineering
D)
Immunology
E)
Food Microbiology
3.
When looking for life on other planets, scientists first look for signs of
microbial inhabitation. Which of the following is not a reason why?
A)
Microbes are
ubiquitous
B)
Microbes are involved
in the evolution of other life forms
C)
Microbes have
extensively shaped the earth's habitats
D)
Microbes prevent the
recycling of elements
E)
Microbes are involved
in the flow of energy and food
4.
The majority of the oxygen in the earth's atmosphere is derived from processes
carried out by what group of microorganisms?
A)
Photosynthetic
organisms
B)
Anaerobic organisms
C)
Soil fungi
D)
Yeasts
E)
Extremophiles
5.
In the process of bioremediation, biological agents perform what function?
A)
Produce organic
carbon from carbon dioxide
B)
Degrade environmental
pollutants
C)
Produce human
hemoglobin
D)
Ferment sugars into
alcohol
E)
Mine metals from raw
materials
6.What is the most effective method for
preventing the acquisition of malaria worldwide?
A)
The use of pesticides
to kill all mosquitoes
B)
Antibiotics to kill
the protozoa following a bite with an infected mosquito
C)
Sleep under a bed net
D)
Eradicate the
protozoa entirely
E)
Anti-malaria
medication
7.
Many non-infectious diseases have been shown to be associated with chronic
infections with certain microorganisms. Which of the following is one of these
diseases?
A)
Stroke
B)
Alzheimer's disease
C)
Depression
D)
Coronary artery
disease
E)
Narcolepsy
8.
Which of the following is not classified as an emerging disease
A)
tuberculosis
B)
cholera
C)
polio
D)
hepatitis B
E)
malaria
9.
Which of the following statements is true of the procaryotes?
A)
They contain a
nucleus
B)
They do not contain a
nucleus
C)
They are larger than
eukaryotes
D)
They contain
specialized organelles
E)
Some are
multicellular
10.
Which of the following statements does not describe viruses?
A)
They are dependent on
the host cell's machinery for their activities
B)
They are more complex
than procaryotes and eucaryotes
C)
They are referred to
as parasites
D)
Some scientists view
viruses as primitive organisms
E)
They are composed of
hereditary material surrounded by a protein coat
11.
How do the majority of microorganisms exist in nature?
A)
As parasites
B)
As mutualists (as in
the stomach of cattle)
C)
As free-living and
harmless organisms
D)
Derive nutritional support
from other organisms
E)
As single, solitary
organisms
12.
Who is known as the "Father of Bacteriology and Protozoology?"
A)
Antonie van
Leeuwenhoek
B)
Francisco Redi
C)
Louis Pasteur
D)
Ignaz Semmelweis
E)
Joseph Lister
13.
Early scientists explained natural phenomena using several methods. Which of
the following is not one of the methods they used?
A)
Argument
B)
Superstition
C)
Scientific method
D)
Religious teachings
E)
Commonly held beliefs
14.
What is the primary aim of the scientific method?
A)
To formulate a
hypothesis
B)
To introduce new
variables into an experiment
C)
To include control
groups in an experiment
D)
To modify an
experiment
E)
To discard the
results if they do not support the hypothesis
15.
Proponents of spontaneous generation believed what?
A)
Living things arose
only from others of the same kind
B)
The theory of
biogenesis
C)
Louis Pasteur's
experiments with the swan-necked tubes
D)
Maggots were the
offspring of flies
E)
The theory of
abiogenesis
16.
Whose experiments finally discounted the theory of abiogenesis?
A)
Francesco Redi
B)
Louis Pasteur
C)
John Needam
D)
Louis Jablot
E)
Franz Shultze and
Theodor Schwann
17.
Which of the following statements defines a theory?
A)
A collection of
statements, propositions, or concepts that explains or accounts for a natural
event
B)
A principle
C)
A prediction
D)
A process of
experimentation
E)
A tentative
explanation to account for what has been observed or measured
18. Joseph Lister's concept of asepsis in
the medical setting consisted primarily of what technique?
A)
Handwashing
B)
Sterilization of
bandages
C)
Destroying endospores
D)
The use of
antibiotics
E)
Disinfection of
surgical instruments
19. Which of the following is the smallest
in size?
A) Escherichia coli