Question 1

__________ microbiologists monitor community food establishments and water supplies in order to control the spread of communicable diseases.

Accepted Answer

The answer of __________ microbiologists monitor community food establishments and...

Question 2

Which of the following distinguish the field of microbiology from other fields of biology?

Accepted Answer

A)   the size of the organism studied
B)   the techniques used to study organisms regardless of their size
C)   both the size of the organism studied and the techniques employed in the study of organisms
D)   neither the size of the organism studied nor the techniques employed in the study of organisms regardless of their sizeE) A) and C)
F) All of the above

Question 3

Viruses are not generally studied by microbiologists because they are not classified as living organisms.

Accepted Answer

A) True 
 B)False

Question 4

The use of enrichment cultures and selective media was pioneered by

Accepted Answer

A)   Beijerinck.
B)   Jenner.
C)   Pasteur.
D)   von Behring.E) B) and C)
F) B) and D)

Question 5

__________ was the first to isolate a root nodule bacterium capable of nitrogen fixation.

Accepted Answer

The answer of __________ was the first to isolate a...

Question 6

An Italian physician, __________, challenged the concept of spontaneous generation by demonstrating that maggots do not arise from decaying meat but rather from developing fly eggs.

Accepted Answer

The answer of An Italian physician, __________, challenged the concept...

Question 7

Some microorganisms are useful in bioremediation processes that reduce the effects of pollution.

Accepted Answer

A) True 
 B)False

Question 8

The earliest microbial fossils that have been found are dated from approximately 4.5 million years ago.

Accepted Answer

A) True 
 B)False

Question 9

Invisible living creatures were thought to exist and cause disease long before they were ever observed.

Accepted Answer

A) True 
 B)False

Question 10

Who of the following provided the evidence needed to discredit the concept of spontaneous generation?

Accepted Answer

A)   Pasteur
B)   Koch
C)   Semmelweiss
D)   ListerE) A) and B)
F) B) and D)

Question 11

Charles Chamberland developed porcelain filters that allowed other scientists to demonstrate that viruses are smaller than bacteria.

Accepted Answer

A) True 
 B)False

Question 12

Elie Metchnikoff discovered __________, which is a major feature of the host immune response.

Accepted Answer

The answer of Elie Metchnikoff discovered __________, which is a...

Question 13

Microbial __________ focuses on the nature of heredity and how it regulates the development and function of cells and organisms.

Accepted Answer

The answer of Microbial __________ focuses on the nature of...

Question 14

Who of the following developed a set of criteria that could be used to establish a causative link between a particular microorganism and a particular disease?

Accepted Answer

A)   Fracastoro
B)   Koch
C)   Pasteur
D)   ListerE) A) and B)
F) A) and C)

Question 15

John Tyndall demonstrated that microorganisms present in the air are carried on dust particles.

Accepted Answer

A) True 
 B)False

Question 16

Robert Koch developed a vaccine that could be used to prevent anthrax.

Accepted Answer

A) True 
 B)False

Question 17

Catalytic proteins speed up the myriad of chemical reactions that occur in cells; these proteins are known as

Accepted Answer

A)   ribozymes
B)   nucleic acids
C)   enzymes
D)   lipidsE) C) and D)
F) B) and C)

Question 18

The relationship between specific bacteria and specific diseases was first demonstrated by Koch.

Accepted Answer

A) True 
 B)False

Question 19

The concept that human and animal diseases are caused by microorganisms is called the

Accepted Answer

A)   cell theory.
B)   germ theory.
C)   causative theory.
D)   disease theory.E) All of the above
F) A) and B)

Question 20

The concept that living organisms arise from nonliving material is called

Accepted Answer

A)   biogenesis.
B)   cell theory.
C)   spontaneous generation.
D)   germ theory.E) A) and D)
F) A) and C)

Exam 1: The Evolution of Microorganisms and Microbiology

The concept that human and animal diseases are caused by microorganisms is called the

Correct AnswerverifiedShow Answer

Robert Koch developed a vaccine that could be used to prevent anthrax.

Correct AnswerverifiedShow Answer

Invisible living creatures were thought to exist and cause disease long before they were ever observed.

Correct AnswerverifiedShow Answer

Who of the following provided the evidence needed to discredit the concept of spontaneous generation?

Correct AnswerverifiedShow Answer

Who of the following developed a set of criteria that could be used to establish a causative link between a particular microorganism and a particular disease?

Correct AnswerverifiedShow Answer

__________ microbiologists monitor community food establishments and water supplies in order to control the spread of communicable diseases.

Correct AnswerverifiedShow Answer

Viruses are not generally studied by microbiologists because they are not classified as living organisms.

Correct AnswerverifiedShow Answer

The earliest microbial fossils that have been found are dated from approximately 4.5 million years ago.

Correct AnswerverifiedShow Answer

The relationship between specific bacteria and specific diseases was first demonstrated by Koch.

Correct AnswerverifiedShow Answer

Microbial __________ focuses on the nature of heredity and how it regulates the development and function of cells and organisms.

Correct AnswerverifiedShow Answer

__________ was the first to isolate a root nodule bacterium capable of nitrogen fixation.

Correct AnswerverifiedShow Answer

Which of the following distinguish the field of microbiology from other fields of biology?

Correct AnswerverifiedShow Answer

An Italian physician, __________, challenged the concept of spontaneous generation by demonstrating that maggots do not arise from decaying meat but rather from developing fly eggs.

Correct AnswerverifiedShow Answer

John Tyndall demonstrated that microorganisms present in the air are carried on dust particles.

Correct AnswerverifiedShow Answer

The concept that living organisms arise from nonliving material is called

Correct AnswerverifiedShow Answer

Some microorganisms are useful in bioremediation processes that reduce the effects of pollution.

Correct AnswerverifiedShow Answer

Charles Chamberland developed porcelain filters that allowed other scientists to demonstrate that viruses are smaller than bacteria.

Correct AnswerverifiedShow Answer

Catalytic proteins speed up the myriad of chemical reactions that occur in cells; these proteins are known as

Correct AnswerverifiedShow Answer

Elie Metchnikoff discovered __________, which is a major feature of the host immune response.

Correct AnswerverifiedShow Answer

The use of enrichment cultures and selective media was pioneered by

Correct AnswerverifiedShow Answer

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