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Which activity is an example of biotechnology?


A) bacteria in the soil secreting an antibiotic to kill competitors
B) a microbiologist using the microscope to study bacteria
C) Egyptians using moldy bread on wounds
D) Escherichia coli producing human insulin
E) public health officials monitoring diseases in a community

F) A) and E)
G) A) and B)

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In the experiments constructed by Pasteur to disprove spontaneous generation,swan-necked flasks were used.Why was this shape of flask used in this experiment?


A) The glass necks needed to be open to the air,yet constructed so that bacteria would settle in the lowest part of the neck.
B) These flask shapes were the easiest and cheapest to produce.
C) The shape of the glass neck allowed the bacteria into the flask and then into the media,but air could not enter.
D) Because the glass necks were stretched out,the heat used to sterilize the medium inside of the flask could not kill the bacteria in the neck.

E) A) and C)
F) C) and D)

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Many chronic conditions are found to be associated with microbial agents.

A) True
B) False

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Members of the Kingdom Fungi are photosynthetic.

A) True
B) False

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The microorganisms that recycle nutrients by breaking down dead matter and wastes are called


A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.

F) C) and D)
G) A) and B)

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Taxonomy does not involve


A) nomenclature.
B) classification.
C) taxa.
D) identification.
E) common name.

F) A) and C)
G) B) and D)

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Viruses are not classified in any of Whittaker's five kingdoms.

A) True
B) False

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Which of the following is not a process in the scientific method?


A) belief in a preconceived idea
B) formulation of a hypothesis
C) systematic observation
D) laboratory experimentation
E) development of a theory

F) All of the above
G) B) and E)

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Disease-causing microorganisms are called


A) decomposers.
B) prokaryotes.
C) pathogens.
D) eukaryotes.
E) fermenters.

F) B) and D)
G) A) and C)

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Experimentation


A) is designed to refute an hypothesis.
B) is designed to support an hypothesis.
C) provides a means to gather subjective data.
D) provides a means to gather objective data.
E) is the first step in the scientific method.

F) A) and D)
G) A) and C)

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Which of the following are not considered microorganisms?


A) mosquitoes
B) protozoa
C) bacteria
D) viruses
E) fungi

F) C) and D)
G) A) and B)

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Microbes have been found existing in salty,acidic lakes.

A) True
B) False

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The names of the three proposed domains are: Bacteria,Protista,and Eukarya.

A) True
B) False

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A hypothesis must be tested many times before it can be considered a theory.

A) True
B) False

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Which kingdom does not contain any eukaryotes?


A) Monera
B) Protists
C) Fungi
D) Plants
E) Animals

F) All of the above
G) C) and D)

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Members of the same species share many more characteristics compared to those shared by members of the same kingdom.

A) True
B) False

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Which of the following is a taxon that contains all the other taxa listed?


A) species
B) phylum
C) kingdom
D) genus
E) family

F) A) and B)
G) A) and C)

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