Www.Saveearth.Info Eco Mini Quiz

20 Questions | By Jimmyserious | Last updated: Mar 15, 2022 | Total Attempts: 166

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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.

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%