Www.saveearth.info Eco Mini Quiz

20 Questions

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Www.saveearth.info Eco Mini Quiz

Planet Earth needs you! How well do you know the ecological issues covered on this website? It's time to find out if you are an eco-master or an eco-novice. We won't pass on your name, it's just used on the certificate at the end.


Questions and Answers
  • 1. 
    What percentage of aerosols in the atmosphere are generated by human activity?
    • A. 

      90%

    • B. 

      60%

    • C. 

      20%

    • D. 

      10%

  • 2. 
    Air pollution can be caused by:
    • A. 

      Liquids

    • B. 

      Solids

    • C. 

      Gases

    • D. 

      All of these

  • 3. 
    The chemical symbol for carbon monoxide is CO2?
    • A. 

      True

    • B. 

      False

  • 4. 
    What percentage of the global population live in a polluted air environment?
    • A. 

      Approximately 90%

    • B. 

      Approximately 75%

    • C. 

      Approximately 60%

    • D. 

      Approximately 45%

  • 5. 
    The industrial revolution has been credited with the onset of many of the Earth's current environmental issues. When did this revolution occur?
    • A. 

      1700-1730

    • B. 

      1730-1760

    • C. 

      1760-1820

    • D. 

      1820-1860

  • 6. 
    Outdoor air pollution causes more deaths per annum than indoor air pollution?
    • A. 

      True

    • B. 

      False

  • 7. 
    In 2012, the World Health Organisation (WHO) estimated that most premature deaths from outdoor air pollution were attributable to: 
    • A. 

      Lung cancer

    • B. 

      Heart disease and stroke

    • C. 

      Lower respiratory infections

    • D. 

      Something else

  • 8. 
    Since 1970, the total count of organisms on Earth has decreased by what approximate percentage?
    • A. 

      40%

    • B. 

      45%

    • C. 

      50%

    • D. 

      60%

  • 9. 
    The current decline in species and organisms is being likened to a mass extinction event. How many previous mass extinction events do scientists think the Earth has known?
    • A. 

      7

    • B. 

      6

    • C. 

      5

    • D. 

      4

  • 10. 
    What percentage of endangered animals are endangered because of man?
    • A. 

      96%

    • B. 

      97%

    • C. 

      98%

    • D. 

      99%

  • 11. 
    What percentage of global biodiversity is said to hail for the world's rain forests?
    • A. 

      60%

    • B. 

      70%

    • C. 

      80%

    • D. 

      90%

  • 12. 
    Since 1900, the average global temperature has risen by how many degrees Celsius?
    • A. 

      0.8 c

    • B. 

      1.0 c

    • C. 

      1.1 c

    • D. 

      2 c

  • 13. 
    What is the percentage of certainty that experts place on human activity being the cause of global warming?
    • A. 

      77%

    • B. 

      87%

    • C. 

      97%

    • D. 

      67%

  • 14. 
    Which of the following gases are NOT considered a major greenhouse gas contributor?Oxygen, carbon dioxide, methane, water vapour, nitrous oxide, 
    • A. 

      Oxygen

    • B. 

      Methane

    • C. 

      Water vapour

    • D. 

      Nitrous oxide

  • 15. 
    What percentage of global food production is reliant on groundwater?
    • A. 

      10%

    • B. 

      20%

    • C. 

      40%

    • D. 

      50%

  • 16. 
    What percentage of the world's population live in areas with threats to water security?
    • A. 

      50%

    • B. 

      80%

    • C. 

      25%

    • D. 

      60%

  • 17. 
    Experts predict a human global population of around how many billion by 2050?
    • A. 

      8

    • B. 

      9

    • C. 

      10

    • D. 

      11

  • 18. 
    Since 1960, the amount of arable land per head of global population has fallen by how much?
    • A. 

      One third

    • B. 

      One half

    • C. 

      Two thirds

    • D. 

      Three quarters

  • 19. 
    What percentage of global arable land is thought to be badly degraded?
    • A. 

      14%

    • B. 

      40%

    • C. 

      50%

    • D. 

      24%

  • 20. 
    What percentage of plastics are recycled?
    • A. 

      10%

    • B. 

      25%

    • C. 

      60%

    • D. 

      6%