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Water Quality Parameters

Description: This quiz will test your knowledge on various parameters used to assess water quality.
Number of Questions: 15
Created by:
Tags: water quality water pollution environmental science
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Which of the following is a common indicator of organic pollution in water?

  1. Dissolved Oxygen (DO)

  2. Biochemical Oxygen Demand (BOD)

  3. Chemical Oxygen Demand (COD)

  4. Total Suspended Solids (TSS)

Show answer
Correct Option: B
Explanation:

BOD measures the amount of oxygen required by microorganisms to decompose organic matter in water.

What is the maximum allowable concentration of lead in drinking water, as per the World Health Organization (WHO) guidelines?

  1. 10 micrograms per liter (µg/L)

  2. 50 micrograms per liter (µg/L)

  3. 100 micrograms per liter (µg/L)

  4. 500 micrograms per liter (µg/L)

Show answer
Correct Option: A
Explanation:

WHO recommends a maximum allowable concentration of 10 µg/L for lead in drinking water.

Which parameter measures the amount of solids suspended in water?

  1. Total Dissolved Solids (TDS)

  2. Total Suspended Solids (TSS)

  3. Turbidity

  4. Hardness

Show answer
Correct Option: B
Explanation:

TSS measures the amount of solid particles suspended in water.

What is the ideal pH range for drinking water, as recommended by the U.S. Environmental Protection Agency (EPA)?

  1. 6.0 - 8.0

  2. 5.0 - 7.0

  3. 7.0 - 9.0

  4. 4.0 - 6.0

Show answer
Correct Option: A
Explanation:

EPA recommends a pH range of 6.0 to 8.0 for drinking water.

Which of the following is a common indicator of fecal contamination in water?

  1. E. coli

  2. Salmonella

  3. Giardia

  4. Cryptosporidium

Show answer
Correct Option: A
Explanation:

E. coli is a common indicator of fecal contamination and its presence in water suggests the potential presence of harmful microorganisms.

What is the maximum allowable concentration of fluoride in drinking water, as per the U.S. Public Health Service (USPHS) guidelines?

  1. 0.5 milligrams per liter (mg/L)

  2. 1.0 milligrams per liter (mg/L)

  3. 1.5 milligrams per liter (mg/L)

  4. 2.0 milligrams per liter (mg/L)

Show answer
Correct Option: B
Explanation:

USPHS recommends a maximum allowable concentration of 1.0 mg/L for fluoride in drinking water.

Which parameter measures the amount of dissolved solids in water?

  1. Total Dissolved Solids (TDS)

  2. Total Suspended Solids (TSS)

  3. Turbidity

  4. Hardness

Show answer
Correct Option: A
Explanation:

TDS measures the amount of dissolved solids in water.

What is the maximum allowable concentration of arsenic in drinking water, as per the World Health Organization (WHO) guidelines?

  1. 10 micrograms per liter (µg/L)

  2. 50 micrograms per liter (µg/L)

  3. 100 micrograms per liter (µg/L)

  4. 500 micrograms per liter (µg/L)

Show answer
Correct Option: A
Explanation:

WHO recommends a maximum allowable concentration of 10 µg/L for arsenic in drinking water.

Which of the following is a common indicator of nutrient pollution in water?

  1. Nitrates

  2. Phosphates

  3. Ammonia

  4. All of the above

Show answer
Correct Option: D
Explanation:

Nitrates, phosphates, and ammonia are all common indicators of nutrient pollution in water.

What is the maximum allowable concentration of chlorine in drinking water, as per the U.S. Environmental Protection Agency (EPA) guidelines?

  1. 1 milligram per liter (mg/L)

  2. 2 milligrams per liter (mg/L)

  3. 3 milligrams per liter (mg/L)

  4. 4 milligrams per liter (mg/L)

Show answer
Correct Option: D
Explanation:

EPA recommends a maximum allowable concentration of 4 mg/L for chlorine in drinking water.

Which of the following is a common indicator of industrial pollution in water?

  1. Heavy metals

  2. Volatile organic compounds (VOCs)

  3. Polycyclic aromatic hydrocarbons (PAHs)

  4. All of the above

Show answer
Correct Option: D
Explanation:

Heavy metals, VOCs, and PAHs are all common indicators of industrial pollution in water.

What is the maximum allowable concentration of copper in drinking water, as per the World Health Organization (WHO) guidelines?

  1. 1 milligram per liter (mg/L)

  2. 2 milligrams per liter (mg/L)

  3. 3 milligrams per liter (mg/L)

  4. 4 milligrams per liter (mg/L)

Show answer
Correct Option: B
Explanation:

WHO recommends a maximum allowable concentration of 2 mg/L for copper in drinking water.

Which of the following is a common indicator of agricultural pollution in water?

  1. Pesticides

  2. Herbicides

  3. Fertilizers

  4. All of the above

Show answer
Correct Option: D
Explanation:

Pesticides, herbicides, and fertilizers are all common indicators of agricultural pollution in water.

What is the maximum allowable concentration of mercury in drinking water, as per the U.S. Environmental Protection Agency (EPA) guidelines?

  1. 2 micrograms per liter (µg/L)

  2. 5 micrograms per liter (µg/L)

  3. 10 micrograms per liter (µg/L)

  4. 15 micrograms per liter (µg/L)

Show answer
Correct Option: A
Explanation:

EPA recommends a maximum allowable concentration of 2 µg/L for mercury in drinking water.

Which of the following is a common indicator of groundwater contamination?

  1. Nitrates

  2. Pesticides

  3. Heavy metals

  4. All of the above

Show answer
Correct Option: D
Explanation:

Nitrates, pesticides, and heavy metals are all common indicators of groundwater contamination.

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