Lesson 5.4.2
5.4.2 Causes of anthropogenic climate change and greenhouse gases Quiz: Pearson Edexcel Biology, Unit 5
20 questions
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Lesson 5.4.2, Causes of anthropogenic climate change and greenhouse gases: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 5: On the Wild Side, written with Revision Ninja.
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The 20 questions
-
Which gas is the main human contributor to the enhanced greenhouse effect?
- Methane
- Ozone
- Carbon dioxide
- Nitrous oxide
-
How do greenhouse gases in the troposphere contribute to global warming?
- Reflect ultraviolet radiation
- Reflect gamma rays
- Absorb visible light
- Absorb infrared radiation
-
Which greenhouse gas is released in large amounts from livestock and rice paddies?
- Argon
- Ozone
- Methane
- Helium
-
Which agricultural activity is a major human source of atmospheric methane?
- Ruminant livestock farming
- Deforestation
- Synthetic fertiliser use
- Fossil fuel extraction
-
Why does burning felled trees increase atmospheric carbon dioxide levels?
- Stops nitrate uptake
- Releases stored carbon
- Increases photosynthesis rates
- Absorbs atmospheric methane
-
What type of carbon is released into the active carbon cycle when burning fossil fuels?
- Ancient buried carbon
- Dissolved oceanic carbon
- Recently fixed carbon
- Atmospheric radiocarbon
-
Why does methane have a higher global warming potential per molecule than carbon dioxide?
- Breaks down ozone
- Persists for centuries
- Reflects ultraviolet light
- Absorbs infrared strongly
-
How is water vapour best classified in the context of recent climate change?
- Primary climate driver
- Ozone depleting substance
- Climate feedback mechanism
- Anthropogenic pollutant
-
Which human activity directly releases large quantities of carbon dioxide into the atmosphere?
- Nuclear power generation
- Wind turbine operation
- Hydroelectric power generation
- Burning fossil fuels
-
What does distinguishing anthropogenic greenhouse gas sources from natural ones enable?
- Stopping natural cycles
- Eliminating atmospheric nitrogen
- Predicting solar flares
- Targeting human mitigation
-
Measuring carbon dioxide emissions in tonnes per year quantifies which metric?
- Rate of release
- Atmospheric concentration
- Total carbon storage
- Rate of photosynthesis
-
What essential climate condition does the natural greenhouse effect maintain on Earth?
- Warm surface temperature
- High atmospheric oxygen
- Constant ocean salinity
- Zero ultraviolet radiation
-
Which management strategy helps reduce agricultural methane emissions from livestock?
- Increasing soil tillage
- Using crop rotation
- Altering animal diets
- Applying synthetic fertiliser
-
What is the primary cause of the steady rise in atmospheric carbon dioxide since 1950?
- Volcanic eruptions
- Increased solar radiation
- Fossil fuel combustion
- Milankovitch cycles
-
How does the enhanced greenhouse effect primarily threaten wild species and ecosystems?
- Increases soil acidity
- Blocks solar radiation
- Depletes atmospheric oxygen
- Alters climate conditions
-
Which observation best supports human emissions as the main cause of global warming?
- Ozone hole location
- Volcanic activity patterns
- Ocean tide timing
- Warming matches emissions
-
What does the term anthropogenic mean in the context of climate change?
- Occurring naturally
- Caused by humans
- Generated by oceans
- Derived from plants
-
Why does emitted carbon dioxide remain in the atmosphere for long periods?
- High chemical reactivity
- Rapid atmospheric condensation
- Heavy molecular mass
- Slow sink removal
-
Which acid is formed when dissolved carbon dioxide reacts with seawater?
- Carbonic acid
- Nitric acid
- Hydrochloric acid
- Sulfuric acid
-
Which energy source produces no carbon dioxide emissions during electricity generation?
- Oil
- Natural gas
- Wind power
- Coal
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