Www.Saveearth.Info Eco Mini Quiz
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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.
- 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%
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