Question 1

Which treatment method(s)are used in primary wastewater treatment?

Accepted Answer

A) biological 
B) chemical 
C) physical separation 
D) biological,chemical,and physical separation 
A) biological 
B) chemical 
C) physical separation 
D) biological,chemical,and physical separation

Question 2

Effluent water is wastewater

Accepted Answer

A) discharged from the pharmaceutical,plastics,and petrochemical industries. 
B) discharged from the wastewater treatment facility. 
C) that has undergone anoxic secondary wastewater treatment. 
D) that is imported to the wastewater treatment facility for treatment. 
A) discharged from the pharmaceutical,plastics,and petrochemical industries. 
B) discharged from the wastewater treatment facility. 
C) that has undergone anoxic secondary wastewater treatment. 
D) that is imported to the wastewater treatment facility for treatment.

Question 3

What is souring of crude oil and how does the petroleum industry control it?

Accepted Answer

The souring of crude oil occurs when oil

Question 4

With increased levels of oxidizable materials,the biochemical oxygen demand (BOD)will

Accepted Answer

A) increase. 
B) decrease. 
C) remain the same. 
D) increase or decrease depending on the nature of the materials involved. 
A) increase. 
B) decrease. 
C) remain the same. 
D) increase or decrease depending on the nature of the materials involved.

Question 5

The propagation cycle that occurs in acid mine drainage is caused by

Accepted Answer

A) reduction of Fe³⁺ by sulfuric acid. 
B) the oxidation of sulfide to sulfuric acid by microbial oxidation of iron (Fe³⁺). 
C) microbial sulfate reduction. 
D) low pH and high oxygen concentrations. 
A) reduction of Fe³⁺ by sulfuric acid. 
B) the oxidation of sulfide to sulfuric acid by microbial oxidation of iron (Fe³⁺). 
C) microbial sulfate reduction. 
D) low pH and high oxygen concentrations.

Question 6

Bioremediation of uranium depends on metal-reducing bacteria to change the oxidation state of the uranium to form insoluble uranium compounds.

Accepted Answer

A) True 
 B)False

Question 7

What chemical initiates the formation of acid mine drainage when pyrite is not disposed of properly?

Accepted Answer

A) O₂ 
B) Fe²⁺ 
C) HS⁻ 
D) SO₄²⁻ 
A) O₂ 
B) Fe²⁺ 
C) HS⁻ 
D) SO₄²⁻

Which treatment method(s)are used in primary wastewater treatment?

Effluent water is wastewater

What is souring of crude oil and how does the petroleum industry control it?

With increased levels of oxidizable materials,the biochemical oxygen demand (BOD)will

The propagation cycle that occurs in acid mine drainage is caused by

Bioremediation of uranium depends on metal-reducing bacteria to change the oxidation state of the uranium to form insoluble uranium compounds.

What chemical initiates the formation of acid mine drainage when pyrite is not disposed of properly?

Microorganisms and Microbiology

Microbial Cell Structure and Function

Microbial Metabolism

Molecular Biology

Microbial Growth and Control

Microbial Genomics

Metabolic Regulation

Viruses and Virology

Viral Genomes and Diversity

Genetics of Bacteria and Archaea

Genetic Engineering and Biotechnology

Microbial Evolution and Systematics

Metabolic Diversity of Microorganisms

Functional Diversity of Bacteria

Diversity of Bacteria

Diversity of Archaea

Diversity of Eukaryotic Microorganisms

Methods in Microbial Ecology

Microbial Ecosystems

Nutrient Cycles

Microbial Symbioses

Microbial Interactions With Humans

Immunity and Host Defense

Immune Mechanisms

Molecular Immunology

Diagnostic Microbiology

Epidemiology

Person-To-Person Bacterial and Viral Diseases

Vectorborne and Soilborne Bacterial and Viral Diseases

Water and Food As Vehicles of Bacterial Diseases

Eukaryotic Pathogens: Fungal and Parasitic Diseases

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Exam 21: Microbiology of the Built Environment

Which treatment method(s)are used in primary wastewater treatment?

Effluent water is wastewater

What is souring of crude oil and how does the petroleum industry control it?

With increased levels of oxidizable materials,the biochemical oxygen demand (BOD)will

The propagation cycle that occurs in acid mine drainage is caused by

Bioremediation of uranium depends on metal-reducing bacteria to change the oxidation state of the uranium to form insoluble uranium compounds.

What chemical initiates the formation of acid mine drainage when pyrite is not disposed of properly?

Microorganisms and Microbiology

Microbial Cell Structure and Function

Microbial Metabolism

Molecular Biology

Microbial Growth and Control

Microbial Genomics

Metabolic Regulation

Viruses and Virology

Viral Genomes and Diversity

Genetics of Bacteria and Archaea

Genetic Engineering and Biotechnology

Microbial Evolution and Systematics

Metabolic Diversity of Microorganisms

Functional Diversity of Bacteria

Diversity of Bacteria

Diversity of Archaea

Diversity of Eukaryotic Microorganisms

Methods in Microbial Ecology

Microbial Ecosystems

Nutrient Cycles

Microbial Symbioses

Microbial Interactions With Humans

Immunity and Host Defense

Immune Mechanisms

Molecular Immunology

Diagnostic Microbiology

Epidemiology

Person-To-Person Bacterial and Viral Diseases

Vectorborne and Soilborne Bacterial and Viral Diseases

Water and Food As Vehicles of Bacterial Diseases

Eukaryotic Pathogens: Fungal and Parasitic Diseases

Filters