Question 1

The microbes used by fermentation industries are mutant strains that synthesize large quantities of the desired product.

Accepted Answer

A) True 
 B)False

Question 2

Compare and contrast ultra-high-temperature (UHT) pasteurization and regular pasteurization.

Accepted Answer

Ultra-high-temperature (UHT) pasteurizat...

Question 3

During which phase of growth would a primary metabolite be produced?

Accepted Answer

A)  lag phase
B)  exponential phase
C)  stationary phase
D)  death phase
E)  All of these choices are correct.F) C) and D)
G) B) and D)

Question 4

Fermentors have a built-in device called a sparger.What does a sparger do?

Accepted Answer

A)  It adds a continuous supply of glucose to the media.
B)  It monitors the pH of the medium.
C)  It monitors the temperature of the medium.
D)  It aerates the medium to promote aerobic growth.
E)  It stirs the mixture of microbe and nutrients.F) C) and D)
G) A) and D)

Question 5

During which step of water purification does water moves through sand beds and activated charcoal?

Accepted Answer

A)  Chlorination
B)  Aeration and settling
C)  Sedimentation
D)  Storage
E)  FiltrationF) C) and D)
G) A) and B)

Question 6

What process does wine go through in order to prevent it from turning to vinegar?

Accepted Answer

A)  irradiation
B)  pasteurization
C)  autoclaving
D)  filtration
E)  distillationF) B) and D)
G) A) and C)

Question 7

The process of recovery, purification, and packaging of product is known as _________ processing.

Accepted Answer

The answer of The process of recovery, purification, and packaging...

Question 8

The yeast used in making bread, beer, and wine is

Accepted Answer

A)  Saccharomyces cerevisiae.
B)  Leuconostoc mesenteroides.
C)  Streptococcus lactis and Lactobacillus.
D)  Propionibacterium.
E)  Spirulina.F) C) and D)
G) A) and B)

Question 9

Which organism(s)  ferment milk lactose, producing acids that curdle the milk?

Accepted Answer

A)  Saccharomyces cerevisiae
B)  Leuconostoc mesenteroides
C)  Streptococcus lactis and Lactobacillus
D)  Propionibacterium
E)  SpirulinaF) B) and E)
G) A) and E)

Question 10

How are microbes involved with our food?

Accepted Answer

A)  Some microbes can serve as food, providing us with nutrients.
B)  Microbes can ferment foods, providing rich flavors.
C)  Microbes can cause food spoilage.
D)  Microbes can contaminate our food and cause food poisoning.
E)  All of these choices are correct.F) A) and B)
G) C) and E)

Question 11

Implementation of the HAACP procedures has increased the concentration of alcohol in distilled liquors.

Accepted Answer

A) True 
 B)False

Question 12

In 2006, the Food and Drug Administration approved the spraying of bacteriophages onto ready-to-eat meat products to

Accepted Answer

A)  prevent salmonellosis.
B)  increase the nutritional content of the food.
C)  prevent mold.
D)  sterilize the food.
E)  prevent listeriosis.F) A) and D)
G) A) and B)

Question 13

Compare and contrast the starting materials, processing steps, and microbes used in brewing beer and making wine.

Accepted Answer

Brewing beer and making wine both involv...

Question 14

Describe the major steps in water purification as carried out by a modern municipal treatment plant.

Accepted Answer

The major steps in water purification as...

Question 15

Wine has a maximum alcoholic content of 17% because concentrations above this level inhibit the metabolism of the yeast.

Accepted Answer

A) True 
 B)False

Question 16

In batch fermentation, substrate is added continuously and the product is siphoned off throughout the run.

Accepted Answer

A) True 
 B)False

Question 17

The pathology associated with food infections does not involve toxin-induced damage.

Accepted Answer

A) True 
 B)False

Question 18

Which is incorrect about food-borne illnesses?

Accepted Answer

A)  Most cases of food poisoning occur in the home and are not reported.
B)  Reports of food poisoning are decreasing in the United States.
C)  Avoiding cross contamination in the kitchen can reduce the risk of food poisoning.
D)  The top viruses that cause food-borne illnesses are Norwalk and Hepatitis A viruses.
E)  Food infection is associated with ingesting whole microbial cells.F) None of the above
G) A) and E)

Question 19

Regular refrigeration does not inhibit the growth of __________ microbes that can continue to grow and cause food spoilage.

Accepted Answer

psychrotro...

Exam 27: Applied and Industrial Microbiology

In batch fermentation, substrate is added continuously and the product is siphoned off throughout the run.

Correct Answer
verified

Implementation of the HAACP procedures has increased the concentration of alcohol in distilled liquors.

Correct Answer
verified

The process of recovery, purification, and packaging of product is known as _________ processing.

Correct Answer
verified

During which phase of growth would a primary metabolite be produced?

Correct Answer
verified

Which is incorrect about food-borne illnesses?

Correct Answer
verified

Compare and contrast the starting materials, processing steps, and microbes used in brewing beer and making wine.

Correct Answer
Answered by ExamLex AI
Brewing beer and making wine both involv...
View Answer

The yeast used in making bread, beer, and wine is

Correct Answer
verified

The microbes used by fermentation industries are mutant strains that synthesize large quantities of the desired product.

Correct Answer
verified

Wine has a maximum alcoholic content of 17% because concentrations above this level inhibit the metabolism of the yeast.

Correct Answer
verified

In 2006, the Food and Drug Administration approved the spraying of bacteriophages onto ready-to-eat meat products to

Correct Answer
verified

During which step of water purification does water moves through sand beds and activated charcoal?

Correct Answer
verified

Which organism(s) ferment milk lactose, producing acids that curdle the milk?

Correct Answer
verified

Regular refrigeration does not inhibit the growth of __________ microbes that can continue to grow and cause food spoilage.

Correct Answer
verified
psychrotro...
View Answer

Fermentors have a built-in device called a sparger.What does a sparger do?

Correct Answer
verified

Compare and contrast ultra-high-temperature (UHT) pasteurization and regular pasteurization.

Correct Answer
Answered by ExamLex AI
Ultra-high-temperature (UHT) pasteurizat...
View Answer

The pathology associated with food infections does not involve toxin-induced damage.

Correct Answer
verified

Describe the major steps in water purification as carried out by a modern municipal treatment plant.

Correct Answer
Answered by ExamLex AI
The major steps in water purification as...
View Answer

What process does wine go through in order to prevent it from turning to vinegar?

Correct Answer
verified

How are microbes involved with our food?

Correct Answer
verified

Exam 27: Applied and Industrial Microbiology

In batch fermentation, substrate is added continuously and the product is siphoned off throughout the run.

Correct AnswerverifiedShow Answer

Implementation of the HAACP procedures has increased the concentration of alcohol in distilled liquors.

Correct AnswerverifiedShow Answer

The process of recovery, purification, and packaging of product is known as _________ processing.

Correct AnswerverifiedShow Answer

During which phase of growth would a primary metabolite be produced?

Correct AnswerverifiedShow Answer

Which is incorrect about food-borne illnesses?

Correct AnswerverifiedShow Answer

Compare and contrast the starting materials, processing steps, and microbes used in brewing beer and making wine.

Correct AnswerAnswered by ExamLex AIBrewing beer and making wine both involv...View AnswerShow Answer

The yeast used in making bread, beer, and wine is

Correct AnswerverifiedShow Answer

The microbes used by fermentation industries are mutant strains that synthesize large quantities of the desired product.

Correct AnswerverifiedShow Answer

Wine has a maximum alcoholic content of 17% because concentrations above this level inhibit the metabolism of the yeast.

Correct AnswerverifiedShow Answer

In 2006, the Food and Drug Administration approved the spraying of bacteriophages onto ready-to-eat meat products to

Correct AnswerverifiedShow Answer

During which step of water purification does water moves through sand beds and activated charcoal?

Correct AnswerverifiedShow Answer

Which organism(s) ferment milk lactose, producing acids that curdle the milk?

Correct AnswerverifiedShow Answer

Regular refrigeration does not inhibit the growth of __________ microbes that can continue to grow and cause food spoilage.

Correct Answerverifiedpsychrotro...View AnswerShow Answer

Fermentors have a built-in device called a sparger.What does a sparger do?

Correct AnswerverifiedShow Answer

Compare and contrast ultra-high-temperature (UHT) pasteurization and regular pasteurization.

Correct AnswerAnswered by ExamLex AIUltra-high-temperature (UHT) pasteurizat...View AnswerShow Answer

The pathology associated with food infections does not involve toxin-induced damage.

Correct AnswerverifiedShow Answer

Describe the major steps in water purification as carried out by a modern municipal treatment plant.

Correct AnswerAnswered by ExamLex AIThe major steps in water purification as...View AnswerShow Answer

What process does wine go through in order to prevent it from turning to vinegar?

Correct AnswerverifiedShow Answer

How are microbes involved with our food?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Brewing beer and making wine both involv...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
psychrotro...
View Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
Ultra-high-temperature (UHT) pasteurizat...
View Answer

Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The major steps in water purification as...
View Answer

Correct Answer
verified

Correct Answer
verified