Elements of Water Quality Quiz

What does clear water typically indicate about water health?

• Presence of pollutants

• Healthy water quality

• High algae content

• High sediment levels

What does green water typically indicate?

• High sediment levels

• Presence of pollutants

• High algae content

• Healthy water quality

What do all living things use nitrogen to make?

• Carbohydrates

• Lipids

• DNA, RNA, and proteins

• Vitamins

What is the main cause of eutrophication (nutrient pollution)?

• Runoff from synthetic nitrogen in fertilizers

• Carbon emissions from vehicles

• Deforestation

• Industrial waste

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What environmental issue is increased by the frequency and severity of algal blooms?

• Acid rain

• Hypoxic zones

• Ozone depletion

• Global warming

Tags

NGSS.MS-LS2-4

What health issues can excess nitrogen in drinking water cause in infants?

• Diabetes

• Blue baby syndrome

• Asthma

• Obesity

What is a harmful byproduct of mining operations mentioned in the text?

• Carbon dioxide

• Radioactive substances

• Methane gas

• Sulfur dioxide

Tags

NGSS.HS-ESS3-4

What condition can lead to decreased dissolved oxygen (DO) in water?

• Turbulent mixing

• Warm temperatures

• Photosynthesis

• Diffusion

What is the acceptable duplicate precision range for dissolved oxygen measurement?

• +/- 0.2

• +/- 0.4

• +/- 0.6

• +/- 0.8

What is the state standard for daily average dissolved oxygen levels?

• Average 6 mg/L and not less than 5 mg/L

• Average 5 mg/L and not less than 4 mg/L

• Average 4 mg/L and not less than 3 mg/L

• Average 3 mg/L and not less than 2 mg/L