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