AQA GCSE Biology Unit 3.4

Matthew T
Quiz by , created over 5 years ago

Twenty question for the fourth section of Unit 3 in AQA GCSE Biology: How humans can affect the environment.

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Matthew T
Created by Matthew T over 5 years ago
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Question 1

Question
True or false? In 2010, the world population was estimated to be around 7 billion.
Answer
  • True
  • False

Question 2

Question
Which of these factors can explain the human population growth?
Answer
  • Higher breeding rate
  • Agricultural developments
  • Medicines to cure disease
  • Lower crime figures
  • Lack of natural predators

Question 3

Question
Why do heavy metal ions present such a danger to the land?
Answer
  • The poisons may accumulate up the food chain
  • The poisons kill many weeds growing on the land
  • The poisons make agricultural land infertile

Question 4

Question
What is eutrophication?
Answer
  • 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

Question 5

Question
Which air pollutants cause acid rain?
Answer
  • Carbon dioxide
  • Sulphur dioxide
  • Nitrogen oxides
  • Lead oxide
  • Carbon monoxide

Question 6

Question
What type of air pollution are particulates responsible for?
Answer
  • Global warming
  • Acid rain
  • Global dimming

Question 7

Question
True or false? The slash-and-burn process is often associated with peat bog destruction.
Answer
  • True
  • False

Question 8

Question
Which processes contribute greatly to excessive methane levels in the atmosphere?
Answer
  • Deforestation
  • Rice farming in paddy fields
  • Cattle farming
  • Peat bog destruction

Question 9

Question
True or false? Plants and water sequester carbon dioxide.
Answer
  • True
  • False

Question 10

Question
True or false? The presence of any kind of greenhouse effect has negative impact on the environment.
Answer
  • True
  • False

Question 11

Question
Which chemical is used as a biofuel to replace petrol?
Answer
  • Ethanol
  • Toluene
  • Butyric acid

Question 12

Question
What type of process is using biofuels as a fuel source?
Answer
  • Carbon-positive
  • Carbon-neutral
  • Carbon-negative

Question 13

Question
True or false? Biogas production is dependent on the anaerobic fermentation of waste.
Answer
  • True
  • False

Question 14

Question
What is the main, inflammable, component of biogas?
Answer
  • Hydrogen
  • Hydrogen sulphide
  • Water vapour
  • Carbon dioxide
  • Methane

Question 15

Question
True or false? It is more energy-efficient for humans to eat meat than it is to eat plants.
Answer
  • True
  • False

Question 16

Question
Which of these processes are typical in factory farming?
Answer
  • Allowing animals to move around
  • Keeping animals physically restrained in small sheds
  • Keeping animals outdoors
  • Keeping animals in warm sheds

Question 17

Question
True or false? Fishing quotas can be ineffective as fisherman throw back dead fish that they are not allowed to catch.
Answer
  • True
  • False

Question 18

Question
Which fungus produces mycoprotein (Quorn)?
Answer
  • Fusarium
  • Penicillium
  • Aspergillus

Question 19

Question
True or false? Dams have no negative environmental impact.
Answer
  • True
  • False

Question 20

Question
True or false? In 2009, there was a scandal when some British scientists hid data that did not support the theory of global warming.
Answer
  • True
  • False