Test bank for 2009 microbiology an introduction, 10th edition

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Exam

Name___________________________________

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) Which of the following organisms lack cell walls?
A) Plantae
B) Animalia
Answer: B
Explanation:

C) Bacteria

D) Fungi

A)
B)
C)
D)

2) Classification of organisms in the three domains is based on
A) Nutritional type.
B) Number of cells.
C) Nucleus.
D) Cell wall.
E) Type of cell.
Answer: E
Explanation:

3)

A)
B)
C)
D)
E)

4) Which of the following statements about insect control by microorganisms is true?
A) The insects develop resistance to the microorganisms.
B) This technique is just as dangerous as the use of chemical pesticides.
C) The microorganisms are specific for the insect pest.
D) The microorganisms may cause disease in other animals.
E) The microorganisms are permanent in the environment.
Answer: C
Explanation:

2)

A)
B)
C)
D)
E)

3) Who was the first to observe microorganisms with a microscope?
A) Koch
B) van Leeuwenhoek
C) Pasteur
D) Hooke

E) Weizmann
Answer: B
Explanation:

1)

A)
B)
C)
D)
E)
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4)


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5) You are observing a cell through a microscope and note that it has no apparent nucleus. You
conclude that it most likely
A) Has a cellulose cell wall.
B) Has a peptidoglycan cell wall.
C) Moves by pseudopods.
D) Is a plant cell.
E) Is part of a multicellular animal.
Answer: B
Explanation:

A)
B)
C)

D)
E)

6) Which of the following findings was essential for Jenner's vaccination process?
A) Someone who recovers from a disease will not acquire that disease again.
B) A weakened microorganism may produce immunity.
C) A weakened microorganism will not cause disease.
D) Vaccination provides immunity.
E) Disease is caused by viruses.
Answer: B
Explanation:

6)

A)
B)
C)
D)
E)

7) Which of the following is NOT a domain in the three-domain system?
A) Bacteria
B) Eukarya
C) Archaea
Answer: D
Explanation:

D) Animalia

7)

A)
B)
C)
D)

8) Which of the following CANNOT be made by using recombinant DNA technology?
A) Pharmaceutical drugs
B) Life
C) Human hormones
D) Pest-resistant crops
E) Vaccines
Answer: B
Explanation:

5)

A)
B)
C)
D)
E)

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9) Which of the following does NOT belong with the others?

A) Protista
B) Animalia
C) Helminthes
D) Fungi
E) Plantae
Answer: A
Explanation:

A)
B)
C)
D)
E)

10) Who proved that microorganisms cause disease?
A) van Leeuwenhoek
B) Fleming
C) Pasteur
D) Koch
E) Semmelweis
Answer: D
Explanation:

10)

A)
B)
C)
D)
E)

11) Which of the following processes in making blue jeans is incorrectly matched?
A) Plastic bacterial PHA
B) Blue dye E. coli indigo
C) Cotton fungal hyphae
D) Debleaching bacterial enzyme
E) Stone-washed fungal enzyme
Answer: C
Explanation:

11)

A)
B)
C)
D)
E)

12) Regarding Pasteur's experiments with the S-neck flask, which of the following statements is true?
A) Any possibility of contamination was removed.
B) There was a food source involved.
C) All microorganisms were killed before beginning.
D) There was air involved.
E) All of the above.
Answer: E
Explanation:

9)

A)

B)
C)
D)
E)

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13) Who observed cells in plant material?
A) Lister
B) Hooke
C) Koch
D) Pasteur
E) van Leeuwenhoek
Answer: B
Explanation:

13)

A)
B)
C)
D)
E)

14) Archaea differ from bacteria in that archaea
A) Use organic compounds for food.

B) Reproduce by binary fission.
C) Are prokaryotic.
D) Lack peptidoglycan.
E) Lack nuclei.
Answer: D
Explanation:

14)

A)
B)
C)
D)
E)

15) Which of the following is the best definition of biotechnology?
A) The curing of diseases
B) The use of living organisms to make desired products
C) The use of microorganisms in sewage treatment
D) The development of recombinant DNA technology
E) Bacterial production of foods
Answer: B
Explanation:

A)
B)
C)
D)
E)

16) Which of the following pairs is mismatched?
A) Vaccine a preparation of microorganisms
B) Penicillin antibiotic
C) Normal microbiota harmful
D) Pathogen disease causing
E) Chemotherapy treatment of disease
Answer: C
Explanation:

15)

16)

A)
B)
C)
D)
E)

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17) Which of the following pairs is mismatched?
A) Winogradsky microbial ecology
B) Jenner immunology
C) Lancefield immunology
D) Weizmann virology
E) Jacob and Monod microbial genetics
Answer: D

Explanation:

17)

A)
B)
C)
D)
E)

18) You are looking at a white cottony growth on a culture medium. Microscopic examination reveals
it is multicellular. Which of the following conclusions about this organism is false?
A) It is a bacterium.
B) It has cell walls.
C) It is eukaryotic.
D) It has DNA enclosed in a nucleus.
E) It absorbs organic nutrients.
Answer: A
Explanation:

A)
B)
C)
D)
E)

19) A multicellular organism that has a mouth and lives in an animal host is a(n)
A) Fungus.
B) Bacterium.
C) Helminth.

D) Alga.
E) Virus.
Answer: C
Explanation:

19)

A)
B)
C)
D)
E)

20) A multicellular organism that has chitin cell walls and absorbs organic material is a(n)
A) Fungus.
B) Helminth.
C) Alga.
D) Virus.
E) Bacterium.
Answer: A
Explanation:

18)

A)
B)
C)
D)
E)
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21) Bacteria differ from viruses in that bacteria
A) Can live without a host.
C) Are composed of cells.
Answer: D
Explanation:

B) Have DNA and RNA.
D) All of the above.

A)
B)
C)
D)

22) Regular use of antibacterial cleaning products
A) Prevents occurrence of infections.
B) Prevents bacteria from growing.
C) Is necessary for good health.
D) Promotes survival of bacteria that are resistant.
E) A, B, and D
Answer: D
Explanation:

23)

A)
B)
C)
D)
E)

24) Which of the following statements about fungi is true?
A) All grow using sunlight and carbon dioxide.
B) All are prokaryotic.
C) All are multicellular.
D) All are plants.
E) All require organic material for growth.
Answer: E
Explanation:

22)

A)
B)
C)
D)
E)

23) Which of the following pairs is mismatched?
A) Lister aseptic surgery
B) van Leeuwenhoek germ theory
C) Hooke cell theory
D) Jenner vaccines
E) Pasteur fermentation
Answer: B

Explanation:

21)

A)
B)
C)
D)
E)

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24)


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25) Which of the following pairs is mismatched?
A) Microbial ecologist studies bacteria that degrade oil
B) Virologist studies human immunodeficiency virus
C) Molecular biologist studies recombinant DNA
D) Immunologist studies ecology of Legionella pneumophila
E) Microbial physiologist studies fermentation of sourdough bread
Answer: D
Explanation:

A)
B)
C)
D)
E)

26) Who disproved the theory of spontaneous generation?
A) van Leeuwenhoek
B) Koch
C) Virchow
D) Pasteur
E) Hooke
Answer: D
Explanation:

B) Mycobacterium leprae
D) Acid-fast bacteria

27)

A)
B)
C)
D)

28) Which of the following pairs is mismatched?
A) Ehrlich chemotherapy
C) Jenner vaccination
Answer: B
Explanation:

26)

A)
B)

C)
D)
E)

27) Which of the following is a scientific name?
A) Leprosy bacterium
C) Hansen's bacillus
Answer: B
Explanation:

25)

B) Koch aseptic surgery
D) Pasteur proof of biogenesis

A)
B)
C)
D)

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29) Which of the following statements is false?
A) All fungi have nuclear membranes.
B) All bacteria lack nuclear membranes.
C) All viruses are parasites.

D) All protozoa are unicellular.
E) All fungi are multicellular.
Answer: E
Explanation:

29)

A)
B)
C)
D)
E)

30) Which one of the following does NOT belong with the others?
A) Bacteria
B) Fungi
C) Archaea
Answer: B
Explanation:

D) Cellulose

31)

A)
B)
C)
D)

32) Regarding the experiments that "proved" spontaneous generation, which of the following

statements is probably true?
A) Excess carbon dioxide was present.
B) Air was lacking.
C) Microorganisms were already present.
D) Too much heat was applied.
E) The food source could not support life.
Answer: C
Explanation:

30)

A)
B)
C)
D)

31) Which one of the following does NOT belong with the others?
A) Peptidoglycan
B) Chitin
C) Nucleus
Answer: C
Explanation:

D) Eukarya

A)
B)
C)
D)
E)

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32)


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33) In the name Escherichia coli, coli is the
A) Specific epithet.
B) Kingdom.
C) Genus.
D) Domain.
E) Discoverer.
Answer: A
Explanation:

33)

A)
B)
C)
D)
E)

34) An agent that reproduces in cells but is NOT composed of cells and contains RNA as its genetic
material is a(n)
A) Bacterium.
B) Virus.
C) Helminth.
D) Alga.

E) Fungus.
Answer: B
Explanation:

A)
B)
C)
D)
E)

35) A nucleated, green cell that moves by means of flagella is a(n)
A) Alga.
B) Virus.
C) Bacterium.
D) Helminth.
E) Fungus.
Answer: A
Explanation:

35)

A)
B)
C)
D)
E)

36) Which of the following is a scientific name?
A) Streptococcus pyogenes
B) Streptococci

C) IGAS
D) Group A streptococcus
E) Flesh-eating bacteria
Answer: A
Explanation:

34)

36)

A)
B)
C)
D)
E)
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37) Which of the following lack a nucleus?
A) Protozoa
B) Animalia
C) Bacteria
D) Fungi
E) None of the above
Answer: C
Explanation:

37)

A)
B)
C)
D)
E)

38) Which of the following is NOT an example of biotechnology?
A) Bacterial production of French bread
B) Bacterial production of vinegar
C) Bacterial production of human insulin
D) Bacterial production of yogurt
E) Bacterial degradation of a dead animal
Answer: E
Explanation:

A)
B)
C)
D)
E)

39) Which of the following statements is true?
A) Bacteria cannot move.
B) Viruses cannot reproduce outside a host cell.
C) Protozoa have rigid cell walls.
D) Algae are parasites.
E) Fungi are plants.
Answer: B
Explanation:

39)

A)
B)
C)
D)
E)

40) Which of the following requirements was NOT necessary for Pasteur to disprove spontaneous
generation?
A) Keeping microorganisms out
B) Providing a food source that would support growth
C) Identifying bacteria
D) Supplying air
E) Removing microorganisms that were initially present
Answer: C
Explanation:

38)

A)
B)
C)
D)
E)
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40)

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41) Which of the following statements about viruses is false?
A) They cannot reproduce themselves.
B) They lack cells.
C) They have both DNA and RNA.
D) They are parasites.
E) They cannot metabolize nutrients.
Answer: C
Explanation:

A)
B)
C)
D)
E)

42) Fungi differ from bacteria in that fungi
A) Have DNA.
B) Are cellular.
C) Have cell walls.
D) Spoil food.
E) Have a nucleus.
Answer: E
Explanation:

42)

A)
B)
C)

D)
E)

43) Which of the following statements about biofilms is false?
A) Biofilms in your body protect mucous membranes from harmful microbes.
B) Biofilms on medical implants cause infections.
C) Biofilms on rocks provide food for animals.
D) Compared to free-living bacteria, biofilms are more sensitive to antibiotics.
E) Biofilms in pipes block the flow of water.
Answer: D
Explanation:

43)

A)
B)
C)
D)
E)

44) Which of the following statements about protozoa is false?
A) All are unicellular.
B) All are eukaryotic.
C) They have rigid cell walls.
D) All have complex cells.
E) They are classified by their method of locomotion.
Answer: C
Explanation:

41)

A)
B)
C)
D)
E)

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45) Which of the following groups include members that lack DNA?
A) Fungi
B) Protozoa
C) Bacteria
D) Helminths
Answer: E
Explanation:

E) Viruses

45)

A)
B)
C)
D)
E)

ESSAY. Write your answer in the space provided or on a separate sheet of paper.
46) Paul Berg received the Nobel Prize for developing the procedure for incorporating fragments of animal DNA
into bacteria. List some reasons why his work was a major contribution to science.
Answer:
47) List two examples of biotechnology that involve recombinant DNA technology and two examples that do not.
Answer:
48) In 1835 Bassi showed that a fungus caused a silkworm disease, and in 1865 Pasteur discovered that a protozoan
caused another silkworm disease. Why do we use Koch's postulates instead of "Bassi's" or "Pasteur's"
postulates?
Answer:

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Answer Key
Testname: C1
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B
E
B
C
B
B
D
B
A
D
C
E
B
D
B
C
D
A
C
A
D
D

B
E
D
D
B
B
E
B
C
C
A
B
A
A
C
E
B
C
C
E
D
C
E

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