Question 1

A food _____ results from ingestion of whole microbial cells that target the intestine.

Accepted Answer

infection

Question 2

A food infection results from the ingestion of exotoxin secreted by bacterial cells.

Accepted Answer

A) True 
 B)False  False

Question 3

Which is not used as a chemical preservative in food?

Accepted Answer

A) Iodine 
B) Organic acids 
C) Sulfite 
D) Ethylene oxide 
E) Salt 
A) Iodine 
B) Organic acids 
C) Sulfite 
D) Ethylene oxide 
E) Salt A

Question 4

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

Question 5

Drying, or _________ is not a reliable microbicidal method.

Accepted Answer

The answer of Drying, or _________ is not a reliable...

Question 6

All of the following are foodborne pathogens except

Accepted Answer

A) Salmonella. 
B) Campylobacter. 
C) Streptococcus. 
D) Clostridium. 
E) Staphylococcus aureus. 
A) Salmonella. 
B) Campylobacter. 
C) Streptococcus. 
D) Clostridium. 
E) Staphylococcus aureus.

Question 7

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. 
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.

Question 8

If vodka is 80 proof, it contains 40% ethyl alcohol.

Accepted Answer

A) True 
 B)False

Question 9

Water moves through sand beds and activated charcoal in this step of water purification:

Accepted Answer

A) chlorination 
B) aeration and settling 
C) sedimentation 
D) storage 
E) filtration 
A) chlorination 
B) aeration and settling 
C) sedimentation 
D) storage 
E) filtration

Question 10

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

Accepted Answer

Ultra-high-temperature (UHT) pasteurizat

Question 11

Draw and label a generic microbial growth curve, including the points at which metabolites are formed.

Accepted Answer

A generic microbial growth curve typical

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

These bacteria 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) Spirulina 
A) Saccharomyces cerevisiae 
B) Leuconostoc mesenteroides 
C) Streptococcus lactis and Lactobacillus 
D) Propionibacterium 
E) Spirulina

Question 14

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. 
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.

Question 15

A _____ is a device used for growing mass cultures.

Accepted Answer

The answer of A _____ is a device used for...

Question 16

Hops is the herb that gives beer some of its aroma and flavor.

Accepted Answer

A) True 
 B)False

Question 17

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 18

Which step in making beer involves sprouting and softening the barley to release amylases to act on starch, and proteases to digest protein?

Accepted Answer

A) Preparing a mash 
B) Malting 
C) Aging 
D) Wort is boiled with hops 
E) Fermentation 
A) Preparing a mash 
B) Malting 
C) Aging 
D) Wort is boiled with hops 
E) Fermentation

Question 19

Which of the following is an example of a food intoxication?

Accepted Answer

A) Salmonellosis 
B) Listerosis 
C) Campylobacteriosis 
D) Staphyloccocal enteritis 
E) Vibrio enteritis 
A) Salmonellosis 
B) Listerosis 
C) Campylobacteriosis 
D) Staphyloccocal enteritis 
E) Vibrio enteritis

Question 20

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 the choices are correct. 
A) Lag phase 
B) Exponential phase 
C) Stationary phase 
D) Death phase 
E) All of the choices are correct.

Exam 27: Applied and Industrial Microbiology

A food _____ results from ingestion of whole microbial cells that target the intestine.

A food infection results from the ingestion of exotoxin secreted by bacterial cells.

Which is not used as a chemical preservative in food?

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

Drying, or _________ is not a reliable microbicidal method.

All of the following are foodborne pathogens except

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

If vodka is 80 proof, it contains 40% ethyl alcohol.

Water moves through sand beds and activated charcoal in this step of water purification:

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

Draw and label a generic microbial growth curve, including the points at which metabolites are formed.

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

These bacteria ferment milk lactose, producing acids that curdle the milk:

Which is incorrect about food-borne illnesses?

A _____ is a device used for growing mass cultures.

Hops is the herb that gives beer some of its aroma and flavor.

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

Which step in making beer involves sprouting and softening the barley to release amylases to act on starch, and proteases to digest protein?

Which of the following is an example of a food intoxication?

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

The Main Themes of Microbiology

The Chemistry of Biology

Tools of the Laboratory: Methods of Studying Microorganisms

A Survey of Prokaryotic Cells and Microorganisms

A Survey of Eukaryotic Cells and Microorganisms

An Introduction to Viruses

Microbial Nutrition, Ecology, and Growth

An Introduction to Microbial Metabolism: the Chemical Crossroads of Life

An Introduction to Microbial Genetics

Genetic Engineering: a Revolution in Molecular Biology

Physical and Chemical Agents for Microbial Control

Drugs, Microbes, Host-The Elements of Chemotherapy

Microbe-Human Interactions: Infection, Disease, and Epidemiology

An Introduction to Host Defenses and Innate Immunities

Adaptive, Specific Immunity and Immunization

Disorders in Immunity

Procedures for Identifying Pathogens and Diagnosing Infections

The Gram-Positive and Gram-Negative Cocci of Medical Importance

The Gram-Positive Bacilli of Medical Importance

The Gram-Negative Bacilli of Medical Importance

Miscellaneous Bacterial Agents of Disease

The Fungi of Medical Importance

The Parasites of Medical Importance

Introduction to Viruses That Infect Humans: the Dna Viruses

The Rna Viruses That Infect Humans

Environmental Microbiology

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