Question 1

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on

Accepted Answer

A)   determining evolutionary relatedness.
B)   bioremediation.
C)   recombinant DNA.
D)   nomenclature.
E)   determining if that species is the cause of a new disease.F) C) and D)
G) A) and E)

Question 2

Helminths are

Accepted Answer

A)   bacteria.
B)   protozoa.
C)   molds.
D)   parasitic worms.
E)   infectious particles.F) A) and B)
G) A) and C) D

Question 3

The scientists)  that proposed assigning organisms to one of three domains isare)

Accepted Answer

A)   Robert Koch and Louis Pasteur.
B)   Antonie van Leeuwenhoek.
C)   Carl Woese and George Fox.
D)   Robert Whittaker.
E)   Francesco Redi.F) All of the above
G) A) and D)

Question 4

Koch's postulates are criteria used to establish that

Accepted Answer

A)   microbes are found on dust particles.
B)   a specific microbe is the cause of a specific disease.
C)   life-forms can only arise from preexisting life-forms.
D)   a specific microbe should be classified in a specific kingdom.
E)   microbes can be used to clean up toxic spills.F) All of the above
G) B) and D)

Question 5

Disease-causing microorganisms are called

Accepted Answer

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

Question 6

When microbes are introduced into the environment to restore stability, the process is called

Accepted Answer

A)   bioremediation.
B)   genetic engineering.
C)   epidemiology.
D)   immunology.
E)   taxonomy.F) B) and C)
G) A) and D)

Question 7

Which of the following is the correct way to write the scientific name of this bacterium?

Accepted Answer

A)   Staph Aureus
B)   Staphylococcus Aureus
C)   Staphylococcus aureus..
D)   Staphylococcus Aureus.
E)   S. AureusF) A) and D)
G) B) and C)

Question 8

The most common infectious cause of death worldwide is

Accepted Answer

A)   HIV/AIDS.
B)   stroke.
C)   heart disease.
D)   cancer.
E)   malaria.F) B) and D)
G) C) and E)

Question 9

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

Accepted Answer

A)   species
B)   phylum
C)   kingdom
D)   genus
E)   familyF) A) and D)
G) A) and C) C

Question 10

Which activity is an example of biotechnology?

Accepted Answer

A)   Bacteria in the soil secrete an antibiotic to kill competitors.
B)   A microbiologist uses a microscope to study bacteria.
C)   Humans use yeast to make beer and wine.
D)   Mycobacterium tuberculosis causes tuberculosis in the lungs.
E)   Public health officials monitor diseases in a community.F) A) and B)
G) B) and D)

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

All of the following are correct about prokaryotes, except

Accepted Answer

A)   they are smaller than eukaryotes.
B)   they lack a nucleus.
C)   they are less complex than eukaryotes.
D)   they have organelles.
E)   they are found nearly everywhere.F) D) and E)
G) C) and E)

Question 13

Which scientist discovered heat-resistant bacterial spores?

Accepted Answer

A)   Joseph Lister
B)   Ignaz Semmelweis
C)   Robert Koch
D)   Ferdinand Cohn
E)   Antonie van LeeuwenhoekF) B) and C)
G) C) and D)

Question 14

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

Accepted Answer

A)   decomposers.
B)   prokaryotes.
C)   pathogens.
D)   eukaryotes.
E)   fermenters.F) All of the above
G) D) and E)

Question 15

The smallest and most significant taxon is

Accepted Answer

A)   genus.
B)   species.
C)   kingdom.
D)   family.
E)   phylum.F) D) and E)
G) B) and D)

Question 16

In Whittaker's system, the protozoa and algae are classified in the kingdom

Accepted Answer

A)   Monera.
B)   Protista.
C)   Mycetae.
D)   Plantae.
E)   Animalia.F) B) and C)
G) B) and E)

Question 17

_____ are the group of microorganisms composed only of hereditary material wrapped in a protein covering.

Accepted Answer

The answer of _____ are the group of microorganisms composed...

Question 18

Which of the following branches of Microbiology is utilized in diagnosing or treating someone who has broken out in hives and is experiencing respiratory distress due to an exposure to a microbial toxin?

Accepted Answer

A)   agricultural Microbiology
B)   epidemiology
C)   biotechnology
D)   immunology
E)   industrial MicrobiologyF) A) and E)
G) C) and D)

Question 19

The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was

Accepted Answer

A)   Francesco Redi.
B)   Antonie van Leeuwenhoek.
C)   Louis Pasteur.
D)   Joseph Lister.
E)   Robert Koch.F) C) and D)
G) A) and C)

Question 20

In which of the following conditions isare)  microbial infection often implicated as a cause?

Accepted Answer

A)   gastric ulcers
B)   female infertility
C)   coronary artery disease
D)   cervical cancer
E)   All of these choices are correct.F) B) and D)
G) A) and B)

Exam 1: The Main Themes of Microbiology

A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on

Correct AnswerverifiedShow Answer

Helminths are

Correct AnswerverifiedD

The scientists) that proposed assigning organisms to one of three domains isare)

Correct AnswerverifiedShow Answer

Koch's postulates are criteria used to establish that

Correct AnswerverifiedShow Answer

Disease-causing microorganisms are called

Correct AnswerverifiedC

When microbes are introduced into the environment to restore stability, the process is called

Correct AnswerverifiedShow Answer

Which of the following is the correct way to write the scientific name of this bacterium?

Correct AnswerverifiedShow Answer

The most common infectious cause of death worldwide is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

Which activity is an example of biotechnology?

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

Correct AnswerverifiedShow Answer

All of the following are correct about prokaryotes, except

Correct AnswerverifiedShow Answer

Which scientist discovered heat-resistant bacterial spores?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The smallest and most significant taxon is

Correct AnswerverifiedShow Answer

In Whittaker's system, the protozoa and algae are classified in the kingdom

Correct AnswerverifiedShow Answer

_____ are the group of microorganisms composed only of hereditary material wrapped in a protein covering.

Correct AnswerverifiedShow Answer

Which of the following branches of Microbiology is utilized in diagnosing or treating someone who has broken out in hives and is experiencing respiratory distress due to an exposure to a microbial toxin?

Correct AnswerverifiedShow Answer

The Dutch merchant who made and used quality magnifying lenses to see and record microorganisms was

Correct AnswerverifiedShow Answer

In which of the following conditions isare) microbial infection often implicated as a cause?

Correct AnswerverifiedShow Answer

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C

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C

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