Chemistry Environmental Chemistry Water Pollution Online Exam Quiz

Chemistry Environmental Chemistry Water Pollution GK Quiz. Question and Answers related to Chemistry Environmental Chemistry Water Pollution. MCQ (Multiple Choice Questions with answers about Chemistry Environmental Chemistry Water Pollution

The excess of which ion in drinking water can lead to blue baby syndrome?

Options

A : Aluminum ion

B : Copper ion

C : Sulphate ion

D : Nitrate ion

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What is the amount of oxygen required by bacteria to break down organic matter present in certain volume of sample of water is called?

Options

A : Bacterial oxidation

B : Bacterial decomposition

C : Biochemical oxygen demand

D : Biological oxygen demand

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What does the addition of phosphate fertilizers into water lead to?

Options

A : Increased algae growth

B : Decreased algae growth

C : Increased growth of decomposers

D : Nutrient enrichment

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Pick out the source of organic wastes pollutant from the following.

Options

A : Industries

B : Erosion of soil by agriculture and strip mining

C : Water used for cooling in factories

D : Discharge from food processing factories

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The maximum limit of which of the following in drinking water should be 50 ppb?

Options

A : Lead

B : Sulphate

C : Nitrate

D : Fluoride

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What is the full form of PCB(in the context of chemistry)?

Options

A : Printed Circuit Boards

B : Polychlorinated biphenyls

C : Polychemical biphenyls

D : Primary Chemical Bacteria

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What is an easily identified source of pollution called as?

Options

A : Specific source

B : Point source

C : Non-point source

D : Polluting source

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Identify the bacteria not found in human excreta that causes gastrointestinal diseases.

Options

A : Staphylococcus aureus

B : Escherichia coli

C : Streptococcus faecalis

D : Shigella

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Water should be tested for fluoride ion concentration for drinking purposes.

Options

A : True

B : False

C :

D :

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Plants always take in carbon dioxide and release oxygen.

Options

A : True

B : False

C :

D :

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