BIOS 242 Week 4 Midterm Exam
1. Question : Antoni van Leeuwenhoek was the first person in history
to
Student
Answer: use a magnifying
glass. develop
... [Show More] a
taxonomic system.
view protozoa and
bacteria.
disprove spontaneous
generation. prove the germ
theory.
Questio
n 2
.
Question : Microbes that can live in the presence or
absence of oxygen are called
Student Answer: anaerobes.
facultative
anaerobes.
obligate
parasites.
archaea.
prokaryotes. ]
pg. 1
Points Received: 0 of 1
BIOS242 Week 4 Midterm Exam (Latest): Microbiology
Questio
n 3
.
Question : Which of the following scientists provided evidence
in favor of the concept of spontaneous generation?
Student Answer: Pasteu
r
Needh
am
Redi
Buchne
r
Spallan
za
pg. 2
Points Received:
Comments:
1 of 1
BIOS242 Week 4 Midterm Exam (Latest): Microbiology
Comments:
Questio
n 4
.
Question : The microbial production of alcohol from sugar is known
as
Student
Answer: fermentatio
n.
pasteurizati
on.
metabolism
.
abiogenesis
.
antisepsis.
Questio
n 5
.
Question : Which of the following statements concerning
Koch's postulates is false?
Student
Answer:
Koch's postulates cannot be used to demonstrate
the cause of all diseases.
A suspected pathogen must be able to be grown in
the laboratory.
All of Koch's postulates must be satisfied before
an organism can be proven to cause a particular
disease.
Koch's postulates involve the experimental
infection of susceptible hosts.
A suspected pathogen must be found in the
majority of individuals with a particular disease.
pg. 3
Points Received:
Comments:
0 of 1
BIOS242 Week 4 Midterm Exam (Latest): Microbiology
Questio
n 6
.
Question : The study of the body's defenses against pathogens is
called
Student
Answer:
etiology.
pg. 4
Points Received:
Comments:
1 of 1
Points Received:
Comments:
1 of 1
BIOS242 Week 4 Midterm Exam (Latest): Microbiology
immunology.
chemotherapy
. molecular
biology.
epidemiology.
Questio
n 7
.
Question : Which of the following is NOT a characteristic of viruses?
Student
Answer: they are visible with a light
microscope. they are acellular.
they are composed of genetic material and
protein. they are smaller than prokaryotic
cells.
they are obligatory parasites.
Questio
n 8
.
Question : Saccharomyces cerevisiae is an example of which of
the following types of microbes?
Student
Answer: fungus
protozo
an
prokary
ote alga
virus
pg. 5
Points Received:
Comments:
1 of 1
Points Received:
Comments:
1 of 1
Points Received:
Comments:
1 of 1
BIOS242 Week 4 Midterm Exam (Latest): Microbiology
Questio
n 9
.
Question : Proteins that promote chemical reactions in the cell are
called
Student Answer: spores.
enzyme
s.
genes.
protozo
a.
flagella
.
Question
10
.
Question : Which of the following scientists was the first to
develop a taxonomic system for classifying organisms?
Student
Answer: Linnaeus
Needham
Leeuwenho
ek Lister
Pasteur
Question
11
.
Question : Robert Koch was involved in research on all of the
following topics EXCEPT [Show Less]