Question 1

The formal system for classifying and naming organisms was developed by

Accepted Answer

A)   Carolus Linnaeus.
B)   Robert Koch.
C)   Aristotle.
D)   Louis Pasteur.
E)   Ignaz Semmelweis.F) A) and B)
G) A) and C)

Question 2

Biogenesis refers to the

Accepted Answer

A)   spontaneous generation of organisms from nonliving matter.
B)   development of life forms from preexisting life forms.
C)   germ theory of disease.
D)   development of aseptic technique.E) All of the above
F) A) and D)

Question 3

Development of emerging infectious disease can be a result of all of the following EXCEPT

Accepted Answer

A)   changes in the environment.
B)   overuse of antibiotics.
C)   microbial mutation.
D)   modern transportation.
E)   use of genetically modified foods.F) None of the above
G) B) and E)

Question 4

Figure 1.1
 
-The bacterial shape of the cells in Figure 1.1 would best be described as

Accepted Answer

A)   coccus.
B)   bacillus.
C)   ovoid.
D)   columnar.
E)   spiral.F) All of the above
G) None of the above

Question 5

Infectious disease is almost totally eradicated in our world.

Accepted Answer

A) True 
 B)False

Question 6

Antibiotics are produced by

Accepted Answer

A)   bacteria.
B)   viruses.
C)   fungi.
D)   protozoa.
E)   bacteria and fungi.F) All of the above
G) A) and C)

Question 7

Spontaneous generation refers to living cells arising only from other living cells.

Accepted Answer

A) True 
 B)False

Question 8

The term used to describe a disease- causing microorganism is

Accepted Answer

A)   microbe.
B)   infection.
C)   virus.
D)   bacterium.
E)   pathogen.F) A) and C)
G) C) and D)

Question 9

The use of phenol (carbolic acid)  as a wound disinfectant was first practiced by

Accepted Answer

A)   Lister.
B)   Semmelweis.
C)   Koch.
D)   Holmes.
E)   Pasteur.F) B) and D)
G) None of the above

Question 10

Recombinant DNA technology has become an increasingly important part of our life. It is used for all of the following EXCEPT

Accepted Answer

A)   drug production.
B)   enhancing food longevity.
C)   synthesis of water.
D)   vaccine production.
E)   increasing the nutritional value of food.F) A) and C)
G) All of the above

Question 11

Viruses are not considered living organisms because they

Accepted Answer

A)   are structurally very simple.
B)   typically associated with disease.
C)   cannot reproduce by themselves.
D)   can only be visualized using an electron microscope.
E)   are ubiquitous in nature.F) A) and E)
G) B) and E)

Question 12

Classification of organisms into three domains is based on

Accepted Answer

A)   cellular proteins.
B)   cellular organization.
C)   the presence of a cell wall.
D)   nutritional requirements.
E)   the number of cells in the organism.F) A) and D)
G) C) and E)

Question 13

Each of the following organisms would be considered a microbe EXCEPT

Accepted Answer

A)   virus.
B)   bacterium.
C)   mushroom.
D)   yeast.
E)   protozoan.F) C) and D)
G) B) and D)

Question 14

A student has obtained a sample of pond water for study. Using the high- power lens, he observes several cells with nuclei. He can conclude that the cells are NOT bacteria.

Accepted Answer

A) True 
 B)False

Question 15

The first step for directly linking a microbe to a specific disease according to Koch's postulates is to

Accepted Answer

A)   inject a sample of blood or other body fluid from a diseased animal into a healthy animal.
B)   isolate microbes from the blood of healthy animals.
C)   culture the blood or other body fluid from a diseased animal using nutrient medium.
D)   obtain a sample of blood or other body fluid from a diseased animal.
E)   compare the blood of a sick animal to blood obtained from a healthy animal.F) All of the above
G) A) and E)

Question 16

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

Accepted Answer

A)   bacteria
B)   archaea
C)   eukarya
D)   animaliaE) A) and D)
F) B) and C)

Exam 1: The Microbial World and You

Classification of organisms into three domains is based on

Correct Answer
verified

Antibiotics are produced by

Correct Answer
verified

Figure 1.1 -The bacterial shape of the cells in Figure 1.1 would best be described as

Correct Answer
verified

The term used to describe a disease- causing microorganism is

Correct Answer
verified

Biogenesis refers to the

Correct Answer
verified

Spontaneous generation refers to living cells arising only from other living cells.

Correct Answer
verified

The formal system for classifying and naming organisms was developed by

Correct Answer
verified

The use of phenol (carbolic acid) as a wound disinfectant was first practiced by

Correct Answer
verified

Infectious disease is almost totally eradicated in our world.

Correct Answer
verified

Each of the following organisms would be considered a microbe EXCEPT

Correct Answer
verified

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

Correct Answer
verified

The first step for directly linking a microbe to a specific disease according to Koch's postulates is to

Correct Answer
verified

Development of emerging infectious disease can be a result of all of the following EXCEPT

Correct Answer
verified

A student has obtained a sample of pond water for study. Using the high- power lens, he observes several cells with nuclei. He can conclude that the cells are NOT bacteria.

Correct Answer
verified

Recombinant DNA technology has become an increasingly important part of our life. It is used for all of the following EXCEPT

Correct Answer
verified

Viruses are not considered living organisms because they

Correct Answer
verified

Exam 1: The Microbial World and You

Classification of organisms into three domains is based on

Correct AnswerverifiedShow Answer

Antibiotics are produced by

Correct AnswerverifiedShow Answer

Figure 1.1 -The bacterial shape of the cells in Figure 1.1 would best be described as

Correct AnswerverifiedShow Answer

The term used to describe a disease- causing microorganism is

Correct AnswerverifiedShow Answer

Biogenesis refers to the

Correct AnswerverifiedShow Answer

Spontaneous generation refers to living cells arising only from other living cells.

Correct AnswerverifiedShow Answer

The formal system for classifying and naming organisms was developed by

Correct AnswerverifiedShow Answer

The use of phenol (carbolic acid) as a wound disinfectant was first practiced by

Correct AnswerverifiedShow Answer

Infectious disease is almost totally eradicated in our world.

Correct AnswerverifiedShow Answer

Each of the following organisms would be considered a microbe EXCEPT

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The first step for directly linking a microbe to a specific disease according to Koch's postulates is to

Correct AnswerverifiedShow Answer

Development of emerging infectious disease can be a result of all of the following EXCEPT

Correct AnswerverifiedShow Answer

A student has obtained a sample of pond water for study. Using the high- power lens, he observes several cells with nuclei. He can conclude that the cells are NOT bacteria.

Correct AnswerverifiedShow Answer

Recombinant DNA technology has become an increasingly important part of our life. It is used for all of the following EXCEPT

Correct AnswerverifiedShow Answer

Viruses are not considered living organisms because they

Correct AnswerverifiedShow Answer

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