Deck 1: The Microbial World and You

Question 1

Which of the following is true about viruses?

A) They cannot reproduce themselves.
B) They cannot metabolize nutrients.
C) They have DNA or RNA.
D) They are not composed of cells.
E) All of the above.

Answer 1

E

Question 2

Which one of the following does not belong with the others?

A) Cellulose
B) Peptidoglycan
C) Nucleus
D) Chitin

Answer 2

C

Question 3

All members of the following groups contain DNA except

A) Protozoa.
B) Helminths.
C) Fungi.
D) Viruses.
E) Bacteria.

Answer 3

D

Question 4

Which of the following is not part of the study of microbiology?

A) Insects
B) Fungi
C) Viruses
D) Bacteria
E) Helminths

Question 5

Which one of the following does not belong with the others?

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

Question 6

Which of the following pairs is mismatched?

A) Microbial ecologist - studies bacteria that degrade oil
B) Immunologist - studies ecology of Legionella pneumophila
C) Molecular biologist - studies recombinant DNA
D) Microbial physiologist - studies fermentation of sourdough bread
E) Virologist - studies human immunodeficiency virus

Question 7

Who proved that microorganisms cause disease?

A) Pasteur
B) Koch
C) van Leeuwenhoek
D) Hooke
E) None of the above

Question 8

Which of the following is true about insect control by microorganisms?

A) The microorganisms may cause disease in other animals.
B) This technique is just as dangerous as the use of chemical pesticides.
C) The microorganisms are permanent in the environment.
D) The microorganisms are specific for the insect pest.
E) The insects develop resistance to the microorganisms.

Question 9

Which of the following statements is true?

A) Viruses cannot reproduce outside of a host cell.
B) Protozoa have rigid cell walls.
C) Fungi are plants.
D) Bacteria cannot move.
E) Algae are parasites.

Question 10

A multicellular organism that has chitin cell walls and absorbs organic material is a(n) .

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

Question 11

Which of the following is not true about protozoa?

A) All are eukaryotic.
B) They are classified by their method of locomotion.
C) They have rigid cell walls.
D) All have complex cells.
E) All are unicellular.

Question 12

Sourdough bread differs from conventional bread during leavening because

A) Yeasts produce acid.
B) Yeasts produce carbon dioxide and ethyl alcohol.
C) Lactobacillus produce acids.
D) Acids are added to it during rising.
E) Of the temperature and humidity.

Question 13

Which of the following is probably true about all the experiments that proved spontaneous generation?

A) Air was lacking.
B) Too much heat was applied.
C) Microorganisms were already present.
D) The food source could not support life.
E) All of the above.

Question 14

Which of the following statements is untrue?

A) All fungi are multicellular.
B) All bacteria lack nuclear membranes.
C) All fungi have nuclear membranes.
D) All protozoa are unicellular.
E) All viruses are parasites.

Question 15

A nucleated, green cell that moves by means of flagella is a(n) ______.

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

Question 16

Which of the following pairs is mismatched?

A) Pathogen - disease causing
B) Normal microbiota - harmful
C) Chemotherapy - treatment of disease
D) Vaccine - a preparation of microorganisms
E) Penicillin - antibiotic

Question 17

Which of the following is true about fungi?

A) All are plants.
B) All require organic material for growth.
C) All are prokaryotic.
D) All grow using sunlight and carbon dioxide.
E) All are multicellular.

Question 18

The best definition of biotechnology is

A) The use of living organisms to make desired products.
B) The use of microorganisms in sewage treatment.
C) Curing diseases.
D) The development of recombinant DNA technology.
E) All of the above.

Question 19

Which of the following is a scientific name?

A) Mycobacterium leprae
B) Acid- fast bacteria
C) Leprosy bacterium
D) Hansen's bacillus

Question 20

Which of the following requirements was necessary for Pasteur to disprove spontaneous generation?

A) Removing microorganisms that were initially present
B) Providing a food source that would support growth
C) Keeping microorganisms out
D) Supplying air
E) All of the above

Question 21

Who observed cells in plant material?

A) Hooke
B) van Leeuwenhoek
C) Pasteur
D) Koch
E) None of the above

Question 22

Which of the following does not belong with the others?

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

Question 23

Which of the following lack a nucleus?

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

Question 24

Archaea differ from bacteria because archaea

A) Reproduce by binary fission.
B) Lack nuclei.
C) Use organic compounds for food.
D) Lack peptidoglycan.
E) None of the above.

Question 25

A multicellular organism that has a mouth and lives in an animal host is a(n) _____.

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

Question 26

All of the following have cell walls except

A) Bacteria.
B) Plantae.
C) Animalia.
D) Fungi.
E) None of the above.

Question 27

Which of the following pairs is mismatched?

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

Question 28

Regarding Pasteur's experiments with the S- neck flask, which of the following statements is true?

A) All microorganisms were killed before beginning.
B) Any possibility of contamination was removed.
C) There was a food source involved.
D) There was air involved.
E) All of the above.

Question 29

Who disproved the theory of spontaneous generation?

A) van Leeuwenhoek
B) Pasteur
C) Hooke
D) Koch
E) None of the above

Question 30

An agent that reproduces in cells but is not composed of cells and contains RNA as its genetic material is a(n) _____.

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

Question 31

Fungi differ from bacteria because fungi

A) Have DNA.
B) Have a nucleus.
C) Have cell walls.
D) Spoil food.
E) None of the above.

Question 32

Which of the following is a scientific name?

A) Streptococci
B) Flesh- eating bacteria
C) IGAS
D) Group A streptococcus
E) Streptococcus pyogenes

Question 33

Who was the first to observe microorganisms with a microscope?

A) Pasteur
B) Hooke
C) van Leeuwenhoek
D) Koch
E) None of the above

Question 34

Which of the following does not belong with the others?

A) Human diseases
B) Insect control
C) Recycling elements
D) Sewage treatment
E) Bioremediation

Question 35

Bacteria differ from viruses because bacteria

A) Can live without a host.
B) Have DNA and RNA.
C) Have cells.
D) All of the above.

Question 36

Which of the following findings was essential for Jenner's vaccination process?

A) Disease is caused by viruses.
B) Vaccination provides immunity.
C) A weakened microorganism may produce immunity.
D) Someone who recovers from a disease will not acquire that disease again.
E) A weakened microorganism will not cause disease.

Question 37

You are observing a cell through a microscope and note that it has no apparent nucleus. You conclude that it most likely

A) Is part of a multicellular animal.
B) Moves by pseudopods.
C) Has a peptidoglycan cell wall.
D) Has a cellulose cell wall.
E) None of the above.

Question 38

You are looking at a white cottony growth on a culture medium. Microscopic examination reveals it is multicellular. You can conclude all of the following about this organism except that it

A) Is eukaryotic.
B) Has cell walls.
C) Has DNA enclosed in a nucleus.
D) Absorbs organic nutrients.
E) Is a bacterium.

Question 39

Which of the following is not an example of biotechnology?

A) Bacterial production of vinegar
B) Bacterial production of yogurt
C) Bacterial production of French bread
D) Bacterial degradation of a dead animal
E) None of the above

Question 40

In the name Escherichia coli, coli is the

A) Specific epithet.
B) Genus.
C) Kingdom.
D) Domain.
E) None of the above

Question 41

Classification of organisms in the three domains is based on

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

Question 42

Which of the following pairs is mismatched?

A) Hooke - cell theory
B) Pasteur - fermentation
C) van Leeuwenhoek - germ theory
D) Lister - aseptic surgery
E) None of the above

Question 43

Which of the following is not a domain in the three- domain system?

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

Question 44

Recombinant DNA technology can be used to make all of the following except

A) Vaccines.
B) Life.
C) Drugs.
D) Human hormones.
E) None of the above.

Question 45

Which of the following pairs is mismatched?

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