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Test Bank for Microbiology An Introduction with MyMicrobiologyPlace Website 10th Edition by Tortora

Link download full: https://testbankservice.com/download/test-bank-for-microbiology-an-introduction-with-mymicrobiologyplace-website-10th-edition-by-tortora/ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.

1) Which of the following organisms lack cell walls? 1)

A) Plantae B) Animalia C) Bacteria D) Fungi

Answer: B Explanation : A) B) C)

D) 2) Classification of organisms in the three domains is based on 2)

A) Nutritional type. B) Number of cells. C) Nucleus. D) Cell wall. E) Type of cell.

Answer: E Explanation : A) B)

C) D) E) 3) Who was the first to observe microorganisms with a microscope? 3)

A) Koch B) van Leeuwenhoek C) Pasteur D) Hooke E) Weizmann

Answer: B Explanation : A) B)

C) D)

https://testbankservice.com/download/test-bank-for-microbiology-an-introduction-with-mymicrobiologyplace-website-10th-edition-by-tortora/



E) 4) Which of the following statements about insect control by

microorganisms is true? 4)

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

: A)

B)

C)

D) E)

1

5) You are observing a cell through a microscope and note that it has no apparent nucleus. You 5) 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? 6)

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.


B) C) D) E)

7) Which of the following is NOT a domain in the three- domain system? 7)

A) Bacteria B) Eukarya C) Archaea D) Animalia

Answer: D Explanatio n: A) B)

C) D) 8) Which of the following CANNOT be made by using recombinant DNA technology? 8)

A) Pharmaceutical drugs B) Life C) Human hormones D) Pest-resistant crops E) Vaccines

Answer: B Explanatio

n: A) B)

C) D) E)

2

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

A) Protista B) Animalia C) Helminthes D) Fungi E) Plantae

Answer: A Explanatio n: A)

B) C)

D) E)

10 10) Who proved that microorganisms cause disease? )

A) van Leeuwenhoek B) Fleming C) Pasteur D) Koch E) Semmelweis

Answer: D Explanatio n: A)

B) C)

D) E) 11) Which of the following processes in making blue jeans is incorrectly 11

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 Explanatio n: A)

B) C)

D) E) 12) Regarding Pasteur's experiments with the S-neck flask, which of the 12

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 Explanatio

n: A)

B)

C)

D)

E)

3

13) Who observed cells in plant material? 13)

A) Lister B)

Hooke

C) Koch

D)

Pasteur

E) van Leeuwenhoek

Answer: B

Explanatio

n: A)

B)

C)

D)

E)

14) Archaea differ from bacteria in that archaea 14)

A) Use organic compounds for food.

B) Reproduce by binary fission.

C) Are prokaryotic.

D) Lack peptidoglycan.

E) Lack nuclei.

Answer: D

Explanatio

n: A)

B)

C)

D)

E)

15) Which of the following is the best definition of

biotechnology? 15)

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

Explanatio

n: A)

B)

C)

D)

E)

16) Which of the following pairs is mismatched? 16)

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: A)

B) C) D) E)

4


A) Winogradsky microbial ecology B) Jenner immunology C) Lancefield immunology D) Weizmann virology E) Jacob and Monod microbial genetics

Answer: D Explanation : A) B)

C) D) E)

18) You are looking at a white cottony growth on a culture medium. Microscopic examination reveals 18) 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) 19)

A) Fungus. B) Bacterium. C) Helminth. D) Alga. E) Virus.

Answer: C Explanation : A) B)

C) D) E) 20) A multicellular organism that has chitin cell walls and absorbs organic material is a(n) 20)

A) Fungus. B) Helminth. C) Alga. D) Virus.

E) Bacterium.


C) D) E)

5

21) Bacteria differ from viruses in that bacteria

A) Can live without a

host.

C) Are composed of cells. Answer: D Explanation: A)

B)

C)

D)

21) B) Have DNA and RNA.

D) All of the above.

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: A)

B)

C)

D)

E)

22)


A) Lister aseptic surgery

B) van Leeuwenhoek germ theory

C) Hooke cell theory

D) Jenner vaccines

E) Pasteur fermentation

Answer: B Explanatio

n: A)

B)

C)

D)

E)

24) Which of the following statements about fungi is true? 24)

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 Explanatio n: A)

B) C)

D) E)

6


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: A)

B)

C)

D)

E)

26)

27) Which of the following is a scientific name?

A) Leprosy bacterium B) Mycobacterium leprae

C) Hansen's bacillus D) Acid-fast bacteria

Answer: B

Explanation: A)

B)

C)

D)

27)


A) Ehrlich chemotherapy B) Koch aseptic surgery C) Jenner vaccination D) Pasteur proof of biogenesis


B) C) D)

7

29) Which of the following statements is false? 29)

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: A)

B) C) D) E)

30) Which one of the following does NOT belong with the others? 30)

A) Bacteria B) Fungi C) Archaea D) Eukarya

Answer: B Explanatio n: A) B)

C) D) 31) Which one of the following does NOT belong with the others? 31)

A) Peptidoglycan B) Chitin C) Nucleus D) Cellulose Answer: C Explanatio n: A) B)

C) D) 32) Regarding the experiments that "proved" spontaneous generation, which of the following 32) 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 Explanatio n: A) B) C)

D) E)

33) In the name Escherichia coli, coli is the 33)

A) Specific epithet. B) Kingdom. C) Genus. D) Domain. E) Discoverer.


C) D) E) 34) An agent that reproduces in cells but is NOT composed of cells and contains RNA as its genetic 34) 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) 35) A) Alga. B) Virus. C) Bacterium. D) Helminth. E) Fungus.


C) D) E)

36) Which of the following is a scientific name? 36)

A) Streptococcus pyogenes

B) Streptococci

C) IGAS

D) Group A streptococcus

E) Flesh-eating bacteria

Answer: A

Explanation

: A)

B)

C)

D) E)

9

37) Which of the following lack a

nucleus? 37) A) Protozoa B) Animalia C) Bacteria D) Fungi E) None of the above

Answer: C Explanatio n: A)

B) C) D) E)

38) Which of the following is NOT an example of biotechnology? 38) 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 Explanatio n: A)

B) C) D) E)

39) Which of the following statements is true? 39) 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.


B) C) D) E)

40) Which of the following requirements was NOT necessary for Pasteur to disprove spontaneous 40) 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: A)

B) C) D) E)

10

41) Which of the following statements about viruses is false? 41)

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

Explanatio

n: A)

B)

C)

D)

E)

42) Fungi differ from bacteria in

that fungi 42)

A) Have DNA.

B) Are cellular.

C) Have cell walls.

D) Spoil food.

E) Have a nucleus.

Answer: E

Explanatio

n: A)

B)

C)

D)

E)

43) Which of the following statements about biofilms is

false?

43)

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: A)

B)

C)

D)

E)

44) Which of the following statements about protozoa is false? 44)

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: A)

B) C) D) E)

11

45) Which of the following groups include members that lack DNA? 45)

A) Fungi B) Protozoa C) Bacteria D) Helminths E) Viruses Answer: E Explanation: 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:

Answer Key Testname: C1

1) B 2) E 3) B 4) C 5) B 6) B 7) D 8) B 9) A 10) D

11) C 12) E 13) B 14) D 15) B

16) C 17) D 18) A 19) C 20) A 21) D 22) D

23) B 24) E

25) D 26) D 27)

B 28) B 29) E 30) B 31) C 32) C 33) A 34) B 35) A 36) A 37) C 38) E 39) B 40) C 41) C 42) E 43) D 44) C 45) E

46) 47) 48)

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