Microbiology Quiz1
- 1.When humans manipulate the genes of microorganisms the process is called:
- A.
A. Bioremediation
- B.
B. Genetic engineering
- C.
C. Epidemiology
- D.
D. Immunology
- E.
E. Taxonomy
- 2.Which of the following is not considered a microorganism?
- A.
A. Mosquito
- B.
B. Protozoa
- C.
C. Bacteria
- D.
D. Viruses
- E.
E. Fungi
- 3.The study of the immune response to infection caused by microorganisms is
- A.
A. Hypersensitivity
- B.
B. Epidemiology
- C.
C. Immunology
- D.
D. Morbidity
- E.
E. Geomicrobiology
- 4.The microorganisms that recycle nutrients by breaking down dead matter and wastes are called:
- A.
A. Decomposers
- B.
B. Prokaryotes
- C.
C. Pathogens
- D.
D. Eukaryotes
- E.
E. Fermenters
- 5.The microorganisms that do not have a nucleus in their cells are called
- A.
A. Decomposers
- B.
B. Prokaryotes
- C.
C. Pathogens
- D.
D. Eukaryotes
- E.
E. Fermenters
- 6.The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was
- A.
A. Francesco Redi
- B.
B. Antonie van Leeuwenhoek
- C.
C. Louis Pasteur
- D.
D. Joseph Lister
- E.
E. Robert Koch
- 7.The surgeon who advocated using disinfectants on hands and in the air prior to surgery was
- A.
A. Joseph Lister
- B.
B. Ignaz Semmelweis
- C.
C. Robert Koch
- D.
D. Louis Pasteur
- E.
E. Antonie van Leeuwenhoek
- 8.The term sterile means free of all life forms.
- A.
True
- B.
False
- 9.Microbes have been found existing in salty, acidic lakes.
- A.
True
- B.
False
- 10.What discovery was crucial to the founding of the field of microbiology?
- A.
A) Isolation of lepers limiting the spread of infectious disease
- B.
B) Agglutination of bacteria in immune serum
- C.
C) The chemical composition of DNA, the genetic material
- D.
D) The development of ground optical lenses that allowed for the direct observation of microbes
- 11.The English scientist Robert Hooke coined the term cell because the small boxes he saw in the microscope reminded him of a monk’s room. What is the cell theory that was later proposed?
- A.
A) cells are fundamental units of life
- B.
B) replication requires the division of cells into two equal cells
- C.
C) hereditary information is passed on in the form of DNA
- D.
D) all organisms are unicellular, made up of one cell
- 12.The first person to use a microscope to observe living cells was
- A.
A) Robert Hooke
- B.
B) Matthias Schleiden
- C.
C) Anton van Leeuwenhoek
- D.
D) Louis Pasteur
- 13.The curve in Pasteur's swan neck flasks was important because
- A.
A) It prevented flies from escaping the flask
- B.
B) It allowed only warm air to reach the infusion
- C.
C) It trapped microbes that otherwise would have entered the flask
- D.
D) It prevented oxygen from reaching organisms inside the flask
- 14.A pure culture refers to
- A.
A) a culture containing bacteria that all have the same shape
- B.
B) a culture which has never been used to inoculate a patient
- C.
C) a culture which causes only a single disease
- D.
D) a culture which contains only a single type of organism
- 15.Disease causing agents account for about _______ % of all microorganisms
- A.
A) 99%
- B.
B) 1%
- C.
C) 10%
- D.
D) 5%
- E.
E) 75%
- 16.Prions are infectious agents composed of
- A.
A) DNA
- B.
B) RNA
- C.
C) Proteins
- D.
D) DNA and Proteins
- E.
E) DNA and RNA
- 17.Bifidobacteria and Lactobacillus acidophillus are commonly used to produce
- A.
A) Recombinant insulin
- B.
B) Yogurt
- C.
C) Wine
- D.
D) Penicillin
- 18.An extremophillic bacterium used in “Bioremediation” is
- A.
A) Neisseria gohorrhea
- B.
B) Leuconostoc
- C.
C) Chlamydia trachomatis
- D.
D) Deinococcus radiodurans
- 19.Scientist that demonstrated that bacteria that spoiled food, beer and wine could be killed by short exposure to heat was
- A.
A) Louis Pasteur
- B.
B) Robert Koch
- C.
C) Francesco Spanlanzani
- D.
D) Theophrastus Phillipus Aureolus Bombastus van Hohenhiem
- 20.Aseptic technique was introduced by
- A.
A) Ignaz Phillip Semmelwise
- B.
B) Joseph Lister
- C.
C) Louis Pasteur
- D.
D) Antoine van Leuhenhook
- 21.Penicillin was discovered by
- A.
A) Louis Pasteur
- B.
B) Alexander Flemming
- C.
C) Paul Erlich
- D.
D) Robert Koch
- 22.A solution of pH 7 compared to a solution of pH 9
- A.
A. Is more basic
- B.
B. Has no OH- ions
- C.
C. Has more H+ ions
- D.
D. Has a higher pH
- E.
E. All of the choices are correct
- 23.A solution of pH 7 compared to a solution of pH 9
- A.
A. 2 times more acidic
- B.
B. 20 times more acidic
- C.
C. 20 times more basic
- D.
D. 100 times more acidic
- E.
E. 100 times more basic
- 24.Organic chemicals have a basic framework of the element_________bonded to other atoms.
- A.
A. Carbon
- B.
B. Nitrogen
- C.
C. Oxygen
- D.
D. Calcium
- 25.C6H12O6 + C6H12O6 à C12 H22O11 + H2O, represents:
- A.
A. Formation of a peptide bond
- B.
B. A decomposition reaction
- C.
C. Denaturation
- D.
D. Formation of a polysaccharide
- E.
E. Dehydration synthesis
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