Lesson 6.7
6.7 Biological carbon resources: food and fuel demand Quiz: Pearson Edexcel Geography, Unit 8
20 questions
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Lesson 6.7, Biological carbon resources: food and fuel demand: 20 multiple choice questions for the Pearson Edexcel Geography (9GE0), Unit 8: Topic 6: The Carbon Cycle and Energy Security, written with Revision Ninja.
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The 20 questions
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Which land-use change directly reduces the capacity of terrestrial carbon stores?
- Peatland restoration
- Reforestation
- Deforestation
- Afforestation
-
Apart from terrestrial carbon stores, what key resource is degraded by deforestation?
- Tectonic stability
- Atmospheric pressure
- Soil health
- Ocean salinity
-
What human activity is the primary cause of increasing ocean acidification?
- Fossil fuel combustion
- Plastic waste dumping
- Nuclear power cooling
- Deep-sea mining
-
Which marine ecosystem is critically threatened by crossing ocean acidification thresholds?
- Kelp forests
- Coral reefs
- Salt marshes
- Mangrove swamps
-
What vital service do coral reefs and marine ecosystems provide to coastal communities?
- Timber production
- Soil formation
- Freshwater generation
- Coastal protection
-
What atmospheric change driven by climate change leads to increased drought frequency?
- Shifting climate belts
- Rising oceanic tides
- Expanding polar ice
- Decreasing solar radiation
-
Which region does the specification cite as experiencing drought events that threaten forest stores?
- The Arctic
- The Amazon
- The Sahara
- The Himalayas
-
How does severe drought impact a forest's ability to act as a carbon store?
- Enhances soil moisture
- Reduces carbon uptake
- Accelerates tree growth
- Increases canopy density
-
What is the main global driver behind contrasting trends in land-use cover?
- Volcanic eruptions
- Resource demand
- Solar activity
- Deep ocean currents
-
Which digital tool is used to map and analyse land-use changes over time?
- GIS
- Sonar
- GPS
- LiDAR
-
What is the main impact of deforestation on terrestrial carbon stores?
- Enhanced soil absorption
- Increased carbon sequestration
- Permanent carbon neutralisation
- Reduced carbon storage
-
What chemical compound do marine organisms struggle to form due to ocean acidification?
- Calcium carbonate
- Sodium chloride
- Calcium sulphate
- Magnesium oxide
-
Which climate-related hazard directly degrades forest health and reduces forest carbon stores?
- Drought
- Flooding
- Tsunamis
- Hailstorms
-
What atmospheric phenomenon increases regional drought frequency under global climate change?
- Stratospheric ozone depletion
- Shifting climate belts
- Ocean current reversal
- Solar flare cycles
-
What vital benefits provided by marine ecosystems are threatened by ocean acidification?
- Atmospheric pressure
- Ecosystem services
- Tectonic stability
- Geothermal energy
-
Which primary process causes ocean acidification during increased fossil fuel combustion?
- Carbon dioxide uptake
- Sulfur dioxide emissions
- Methane gas release
- Nitrogen oxide absorption
-
What effect does tropical deforestation have on local evapotranspiration levels?
- Decreases evapotranspiration
- Prevents evapotranspiration entirely
- Increases evapotranspiration
- Has no effect
-
Which land-management strategy increases terrestrial carbon storage through tree planting?
- Deforestation
- Afforestation
- Urbanisation
- Monoculture farming
-
Which land-use conversion is explicitly highlighted in the specification alongside deforestation?
- Deserts to cities
- Wetlands to reservoirs
- Grasslands to farming
- Forests to oceans
-
What process caused by fossil fuel combustion threatens the health of coral reefs?
- Thermal stratification
- Eutrophication
- Salinity increase
- Ocean acidification
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