Water Quality

10 Questions

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Water Quality

Water quality is defined by the chemical, physical, biological and radiological characteristics of water. It is measured in relation to the requirements of humans or any biotic species to use for any purpose. What do you know about it?


Questions and Answers
  • 1. 
    Sources that discharge pollutants at specific locations through drain pipes, ditches, or sewer lines into bodies of surface water are called ____ sources? (Hint: Examples include factories, sewage treatment plants, underground mines, and oil tanker)
  • 2. 
  • 3. 
    About what percent of people who live in developing countries do not have access to clean drinking water?
    • A. 

      5%

    • B. 

      10%

    • C. 

      25%

    • D. 

      36%

    • E. 

      54%

  • 4. 
    According to a 2003 report by the World Commission on Water in the 21st century, half of the world’s 500 major rivers are heavily polluted.
    • A. 

      False

    • B. 

      True

  • 5. 
    How long does it take for contaminated groundwater to cleanse itself of degradable wastes????
    • A. 

      1-2 weeks

    • B. 

      1 month

    • C. 

      6 months

    • D. 

      20-50 years

    • E. 

      Hundreds of Thousands of years

  • 6. 
    The World Health Organization estimates that ______  people die prematurely each year from waterborne diseases
    • A. 

      100,000

    • B. 

      3,400,000

    • C. 

      5,600,000

    • D. 

      12,000

    • E. 

      123,456,789

  • 7. 
    An increase in biological productivity and ecosystem succession caused by human activities is called what??? (Think Chesapeake Bay)
  • 8. 
    True or False:Tertiary Treatment involves a biological process in which aerobic bacteria removes dissolved and biodegradable, oxygen-demanding organic wastes.
    • A. 

      True

    • B. 

      False

  • 9. 
    What are some effective solutions to groundwater treatment???
    • A. 

      Finding substitutes for toxic pollutants

    • B. 

      Reusing treated wastewater for irrigation

    • C. 

      Reducing air pollution

    • D. 

      Working with nature to treat sewage

    • E. 

      All of the above

  • 10. 
    Many Scientists believe that the greater threat to the ocean's overall ecological health is
    • A. 

      eutrophication

    • B. 

      Excess bacteria managing its way into the waters

    • C. 

      Oil spills and oil well blowouts, especially in tropical waters.

    • D. 

      Chronic, land-based pollution from industrial and agricultural runoff.

    • E. 

      None of the above