Microbiology 225 MCQ Final Exam
Part 1 With All Correct Solutions
1) Antoni van Leeuwenhoek was the first person in history to
A) use a magnifying glass.
B) develop a taxonomic system.
C) view protozoa and bacteria.
D) disprove spontaneous generation.
E) prove the germ theory. - C
2) The microbes commonly known as __________ are single-celled
eukaryotes that are generally motile.
A) archaea
B) bacteria
C) fungi
D) protozoa
E) viruses - D
3) Which of the following statements about algae is FALSE?
A) the group includes seaweeds and kelps.
B) they are photosynthetic organisms.
C) they provide most of the oxygen on Earth.
D) they are important in the degradation of dead plants and animals.
E) they are a source of food for aquatic and marine animals. - D
4) Microbes that can live in the presence or absence of oxygen are called
A) anaerobes.
B) facultative anaerobes.
C) obligate parasites.
D) archaea.
E) prokaryotes. - B
5) Which of the following scientists provided evidence in favor of the
concept of spontaneous generation?
A) Pasteur
,B) Needham
C) Redi
D) Buchner
E) Spallanzani - B
6) The microbial production of alcohol from sugar is known as
A) fermentation.
B) pasteurization.
C) metabolism.
D) abiogenesis.
E) antisepsis. - A
7) Which of the following statements about fungi is FALSE?
A) fungi are eukaryotes.
B) molds form hyphae.
C) fungi have a cell wall.
D) fungi are photosynthetic.
E) yeasts are unicellular. - D
8) Which of the following statements concerning Koch's postulates is false?
A) Koch's postulates cannot be used to demonstrate the cause of all
diseases.
B) A suspected pathogen must be able to be grown in the laboratory.
C) All of Koch's postulates must be satisfied before an organism can be
proven to cause a particular disease.
D) Koch's postulates involve the experimental infection of susceptible
hosts.
E) A suspected pathogen must be found in the majority of individuals with a
particular disease. - E
9) Which of the following individuals pioneered the use of chemicals to
reduce the incidence of infections during surgery?
A) Nightingale
B) Snow
C) Ehrlich
D) Lister
E) Semmelweis - D
, 10) The study of the body's defenses against pathogens is called
A) etiology.
B) immunology.
C) chemotherapy.
D) molecular biology.
E) epidemiology. - B
11) Semmelweis advocated handwashing as a method of preventing which
of the following diseases?
A) cholera
B) puerperal fever
C) smallpox
D) anthrax
E) syphilis - B
12) Paul Ehrlich used chemotherapy to treat
A) cholera.
B) cancer.
C) anthrax.
D) smallpox.
E) syphilis. - E
13) Which of the following is NOT a characteristic of viruses?
A) they are visible with a light microscope.
B) they are acellular.
C) they are composed of genetic material and protein.
D) they are smaller than prokaryotic cells.
E) they are obligatory parasites. - A
14) Which of the following scientists was the first to develop a taxonomic
system for classifying organisms?
A) Linnaeus
B) Needham
C) Leeuwenhoek
D) Lister
E) Pasteur - A
Part 1 With All Correct Solutions
1) Antoni van Leeuwenhoek was the first person in history to
A) use a magnifying glass.
B) develop a taxonomic system.
C) view protozoa and bacteria.
D) disprove spontaneous generation.
E) prove the germ theory. - C
2) The microbes commonly known as __________ are single-celled
eukaryotes that are generally motile.
A) archaea
B) bacteria
C) fungi
D) protozoa
E) viruses - D
3) Which of the following statements about algae is FALSE?
A) the group includes seaweeds and kelps.
B) they are photosynthetic organisms.
C) they provide most of the oxygen on Earth.
D) they are important in the degradation of dead plants and animals.
E) they are a source of food for aquatic and marine animals. - D
4) Microbes that can live in the presence or absence of oxygen are called
A) anaerobes.
B) facultative anaerobes.
C) obligate parasites.
D) archaea.
E) prokaryotes. - B
5) Which of the following scientists provided evidence in favor of the
concept of spontaneous generation?
A) Pasteur
,B) Needham
C) Redi
D) Buchner
E) Spallanzani - B
6) The microbial production of alcohol from sugar is known as
A) fermentation.
B) pasteurization.
C) metabolism.
D) abiogenesis.
E) antisepsis. - A
7) Which of the following statements about fungi is FALSE?
A) fungi are eukaryotes.
B) molds form hyphae.
C) fungi have a cell wall.
D) fungi are photosynthetic.
E) yeasts are unicellular. - D
8) Which of the following statements concerning Koch's postulates is false?
A) Koch's postulates cannot be used to demonstrate the cause of all
diseases.
B) A suspected pathogen must be able to be grown in the laboratory.
C) All of Koch's postulates must be satisfied before an organism can be
proven to cause a particular disease.
D) Koch's postulates involve the experimental infection of susceptible
hosts.
E) A suspected pathogen must be found in the majority of individuals with a
particular disease. - E
9) Which of the following individuals pioneered the use of chemicals to
reduce the incidence of infections during surgery?
A) Nightingale
B) Snow
C) Ehrlich
D) Lister
E) Semmelweis - D
, 10) The study of the body's defenses against pathogens is called
A) etiology.
B) immunology.
C) chemotherapy.
D) molecular biology.
E) epidemiology. - B
11) Semmelweis advocated handwashing as a method of preventing which
of the following diseases?
A) cholera
B) puerperal fever
C) smallpox
D) anthrax
E) syphilis - B
12) Paul Ehrlich used chemotherapy to treat
A) cholera.
B) cancer.
C) anthrax.
D) smallpox.
E) syphilis. - E
13) Which of the following is NOT a characteristic of viruses?
A) they are visible with a light microscope.
B) they are acellular.
C) they are composed of genetic material and protein.
D) they are smaller than prokaryotic cells.
E) they are obligatory parasites. - A
14) Which of the following scientists was the first to develop a taxonomic
system for classifying organisms?
A) Linnaeus
B) Needham
C) Leeuwenhoek
D) Lister
E) Pasteur - A
