857679
Frage 1
Frage
True or false? In 2010, the world population was estimated to be around 7 billion.
Antworten
- True
- False
Frage 2
Frage
Which of these factors can explain the human population growth?
Antworten
-
Higher breeding rate
-
Agricultural developments
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Medicines to cure disease
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Lower crime figures
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Lack of natural predators
Frage 3
Frage
Why do heavy metal ions present such a danger to the land?
Antworten
-
The poisons may accumulate up the food chain
-
The poisons kill many weeds growing on the land
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The poisons make agricultural land infertile
Frage 4
Frage
What is eutrophication?
Antworten
-
An old-fashioned term for natural selection
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The "killing" of rivers and lakes through excessive algal blooms and increased bacterial presence denying organisms of oxygen
-
The cleaning up of rivers and lakes through the removal of fertilisers
Frage 5
Frage
Which air pollutants cause acid rain?
Antworten
-
Carbon dioxide
-
Sulphur dioxide
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Nitrogen oxides
-
Lead oxide
-
Carbon monoxide
Frage 6
Frage
What type of air pollution are particulates responsible for?
Antworten
-
Global warming
-
Acid rain
-
Global dimming
Frage 7
Frage
True or false? The slash-and-burn process is often associated with peat bog destruction.
Antworten
- True
- False
Frage 8
Frage
Which processes contribute greatly to excessive methane levels in the atmosphere?
Antworten
-
Deforestation
-
Rice farming in paddy fields
-
Cattle farming
-
Peat bog destruction
Frage 9
Frage
True or false? Plants and water sequester carbon dioxide.
Antworten
- True
- False
Frage 10
Frage
True or false? The presence of any kind of greenhouse effect has negative impact on the environment.
Antworten
- True
- False
Frage 11
Frage
Which chemical is used as a biofuel to replace petrol?
Antworten
-
Ethanol
-
Toluene
-
Butyric acid
Frage 12
Frage
What type of process is using biofuels as a fuel source?
Antworten
-
Carbon-positive
-
Carbon-neutral
-
Carbon-negative
Frage 13
Frage
True or false? Biogas production is dependent on the anaerobic fermentation of waste.
Antworten
- True
- False
Frage 14
Frage
What is the main, inflammable, component of biogas?
Antworten
-
Hydrogen
-
Hydrogen sulphide
-
Water vapour
-
Carbon dioxide
-
Methane
Frage 15
Frage
True or false? It is more energy-efficient for humans to eat meat than it is to eat plants.
Antworten
- True
- False
Frage 16
Frage
Which of these processes are typical in factory farming?
Antworten
-
Allowing animals to move around
-
Keeping animals physically restrained in small sheds
-
Keeping animals outdoors
-
Keeping animals in warm sheds
Frage 17
Frage
True or false? Fishing quotas can be ineffective as fisherman throw back dead fish that they are not allowed to catch.
Antworten
- True
- False
Frage 18
Frage
Which fungus produces mycoprotein (Quorn)?
Antworten
-
Fusarium
-
Penicillium
-
Aspergillus
Frage 19
Frage
True or false? Dams have no negative environmental impact.
Antworten
- True
- False
Frage 20
Frage
True or false? In 2009, there was a scandal when some British scientists hid data that did not support the theory of global warming.
Antworten
- True
- False
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