Question 1

The science of grouping and classifying microorganisms is known as

Accepted Answer

A)   microbial physiology.
B)   proteomics.
C)   metabolomics.
D)   microbial systematics.E) All of the above
F) A) and D)

Question 2

The discovery of antibiotics and other important chemicals led to the field of

Accepted Answer

A)   industrial microbiology.
B)   agricultural microbiology.
C)   marine microbiology.
D)   aquatic microbiology.E) All of the above
F) A) and B)

Question 3

________ was the first to describe microorganisms,while ________ was the first person to see bacteria.

Accepted Answer

A)   Antoni van Leeuwenhoek / Robert Hook
B)   Antoni van Leeuwenhoek / Robert Koch
C)   Robert Hooke / Antoni van Leeuwenhoek
D)   Robert Koch / Antoni van LeeuwenhoekE) B) and C)
F) B) and D)

Question 4

Explain why microbial cells are excellent models for understanding cell function in higher organisms.

Accepted Answer

Answers will vary but should i...

Question 5

Compare and contrast the functions microbes serve in the digestive systems of both humans and rumens (e.g.,cattle).

Accepted Answer

Answers will vary but should focus on hu...

Question 6

A microbial cell's membrane is considered ________,because its internal constituents are maintained within the cell.However,it also imports and exports other molecules in response to its environment.

Accepted Answer

A)   differential
B)   microselective
C)   rigid
D)   semipermeableE) None of the above
F) A) and B)

Question 7

Louis Pasteur developed the vaccine(s) for

Accepted Answer

A)   anthrax.
B)   fowl cholera.
C)   rabies.
D)   anthrax, fowl cholera, and rabies.E) C) and D)
F) None of the above

Question 8

The text states that antibiotics are derived from microorganisms.What is the benefit to an antibiotic-producing microorganism of producing an antibiotic in its natural habitat?

Accepted Answer

Answers will vary,but it must first be s...

Question 9

In what/which domain(s) of life is/are microorganisms represented?

Accepted Answer

A)   Archaea
B)   Bacteria
C)   Eukarya
D)   Archaea, Bacteria, and EukaryaE) A) and C)
F) None of the above

Question 10

The environment in which a microbial population lives is its habitat.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is/are characteristic of ALL cellular organisms?

Accepted Answer

A)   communication
B)   evolution
C)   motility
D)   communication, evolution, and motilityE) C) and D)
F) All of the above

Question 12

Microbes were first formally observed during the mid-1600s,but the cell theory was not enunciated until 1839.Write a brief essay explaining why microbiology did not become a formally recognized science until Louis Pasteur's and Robert Koch's time.

Accepted Answer

Answers will vary,but a theme should be ...

Question 13

Microbial cells first evolved on Earth approximately ________ billion years ago.

Accepted Answer

A)   1.6 to 1.8
B)   3.8 to 3.9
C)   5.4 to 5.6
D)   7.0 to 7.2E) A) and B)
F) None of the above

Question 14

________ produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States,and specialized ________ are needed to make this a commercially available product.

Accepted Answer

A)   Biodiesel / biotechnologists
B)   Biodiesel / industrial microbiologists
C)   Ethanol / biotechnologists
D)   Ethanol / industrial microbiologistsE) A) and C)
F) A) and D)

Question 15

Transparent double-sided dishes used for growing microbes are most commonly called

Accepted Answer

A)   Petri dishes.
B)   baker dishes.
C)   sterilization plates.
D)   culture medium plates.E) None of the above
F) B) and D)

Question 16

An ecosystem includes ________ along with ________.

Accepted Answer

A)   macroorganisms / microorganisms
B)   living organisms / their chemical and physical environments
C)   pathogenic organisms / non-pathogenic organisms
D)   single celled organisms / multi-cellular organismsE) A) and D)
F) A) and B)

Question 17

Which scientific objective is LEAST related to microbial genetics?

Accepted Answer

A)   determining the ancestral origin of a recently discovered bacterium
B)   identifying mutations in a bacterial population
C)   identifying quorum sensing interactions among bacteria
D)   manipulating a microorganism for bioremediationE) A) and B)
F) A) and C)

Question 18

The discipline of microbiology is intimately associated with biochemistry and genetics,because cells are both biochemical catalysts and genetic coding devices.

Accepted Answer

A) True 
 B)False

Question 19

Martinus Beijerinck was the first to isolate

Accepted Answer

A)   green algae.
B)   certain nitrogen-fixing root nodule bacteria.
C)   certain sulfate-reducing bacteria.
D)   green algae, certain nitrogen-fixing root nodule bacteria, and certain sulfate-reducing bacteria.E) C) and D)
F) A) and D)

Question 20

Robert Koch contributed to the field of microbiology by being the first person to

Accepted Answer

A)   develop the tuberculin test.
B)   formulate four postulates for definitively linking a specific microorganism to a specific disease.
C)   use agar as a solidifying agent in growth media.
D)   develop the tuberculin test, formulate four postulates for definitively linking a specific microorganism to a specific disease, and use agar as a solidifying agent in growth media.E) A) and B)
F) A) and C)

Exam 1: Microorganisms and Microbiology

In what/which domain(s) of life is/are microorganisms represented?

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Explain why microbial cells are excellent models for understanding cell function in higher organisms.

Correct AnswerverifiedAnswers will vary but should i...View AnswerShow Answer

Microbes were first formally observed during the mid-1600s,but the cell theory was not enunciated until 1839.Write a brief essay explaining why microbiology did not become a formally recognized science until Louis Pasteur's and Robert Koch's time.

Correct AnswerverifiedAnswers will vary,but a theme should be ...View AnswerShow Answer

The environment in which a microbial population lives is its habitat.

Correct AnswerverifiedShow Answer

The science of grouping and classifying microorganisms is known as

Correct AnswerverifiedShow Answer

Martinus Beijerinck was the first to isolate

Correct AnswerverifiedShow Answer

The text states that antibiotics are derived from microorganisms.What is the benefit to an antibiotic-producing microorganism of producing an antibiotic in its natural habitat?

Correct AnswerverifiedAnswers will vary,but it must first be s...View AnswerShow Answer

An ecosystem includes ________ along with ________.

Correct AnswerverifiedShow Answer

Compare and contrast the functions microbes serve in the digestive systems of both humans and rumens (e.g.,cattle).

Correct AnswerverifiedAnswers will vary but should focus on hu...View AnswerShow Answer

Microbial cells first evolved on Earth approximately ________ billion years ago.

Correct AnswerverifiedShow Answer

The discovery of antibiotics and other important chemicals led to the field of

Correct AnswerverifiedShow Answer

________ was the first to describe microorganisms,while ________ was the first person to see bacteria.

Correct AnswerverifiedShow Answer

Which of the following is/are characteristic of ALL cellular organisms?

Correct AnswerverifiedShow Answer

Louis Pasteur developed the vaccine(s) for

Correct AnswerverifiedShow Answer

Which scientific objective is LEAST related to microbial genetics?

Correct AnswerverifiedShow Answer

A microbial cell's membrane is considered ________,because its internal constituents are maintained within the cell.However,it also imports and exports other molecules in response to its environment.

Correct AnswerverifiedShow Answer

Transparent double-sided dishes used for growing microbes are most commonly called

Correct AnswerverifiedShow Answer

The discipline of microbiology is intimately associated with biochemistry and genetics,because cells are both biochemical catalysts and genetic coding devices.

Correct AnswerverifiedShow Answer

Robert Koch contributed to the field of microbiology by being the first person to

Correct AnswerverifiedShow Answer

________ produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States,and specialized ________ are needed to make this a commercially available product.

Correct AnswerverifiedShow Answer

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Answers will vary but should i...
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Answers will vary,but a theme should be ...
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Answers will vary,but it must first be s...
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An ecosystem includes along with .

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Answers will vary but should focus on hu...
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was the first to describe microorganisms,while was the first person to see bacteria.

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produced by microbial fermentation of glucose from cellulose or cornstarch is becoming a more important component of biofuels in the United States,and specialized are needed to make this a commercially available product.

Correct Answer
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