Lesson 3.1.4.5
3.1.4.5 Human impacts on cold environments Quiz: AQA Geography, Unit 1
20 questions
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Lesson 3.1.4.5, Human impacts on cold environments: 20 multiple choice questions for the AQA Geography (7037), Unit 1: Physical geography, written with Revision Ninja.
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The 20 questions
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What is environmental fragility in the context of cold environments?
- An abundance of rapid recovery after disturbance, since plants regrow within a single season
- Strength that allows the environment to resist all human impact, because cold conditions protect it
- A high sensitivity of the environment to disturbance, with slow recovery after damage
- The absence of any natural processes in cold regions, which leaves the land unchanged by activity
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Which human activity has caused lasting damage to tundra vegetation through trampling and off-road driving?
- Planting of shelter belts for crop protection, which is carried out on the margins of the farmland
- Recreational vehicle use and off-road travel
- Construction of coastal sea walls, which is built along the shoreline to resist wave attack
- Building of rock check dams, which is used to slow runoff in gullies on dryland slopes
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Which impact of climate change is significant for permafrost regions?
- A reduction in summer thaw depth to zero, which would stop any change in the active layer
- Increased permanent snow cover on the ground, which insulates the frozen layer from the air
- Thawing of permafrost, which can destabilise infrastructure and release stored carbon
- Increased stability of slopes through greater freezing, which strengthens the soil
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Which human activity has most affected the cold environment of Svalbard through shipping and resource use?
- Planting large commercial rubber forests, which would need warm and wet conditions
- Constructing large rice terraces on the valley floors, which needs flooded ground
- Mining and tourism, which bring disturbance and infrastructure to fragile areas
- Growing tropical crops on the tundra, which requires clearing the vegetation for fields
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Why is management of cold environments difficult?
- Cold environments have no natural processes that require management, so there is little to decide
- Cold environments are always easily accessible and cheap to manage, which removes most difficulty
- Cold environments never change under any scenario, so management decisions are rarely needed
- Their remoteness, slow recovery and multiple uses such as tourism, mining and conservation make decisions complex
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Which management approach could reduce human impacts on fragile cold environments?
- Removing protection so that development is easier, which would allow new building on the tundra
- Introducing non-native crops to replace tundra vegetation, which would change the local ecology
- Expanding road networks across all tundra areas, which would open the landscape to more access
- Restricting vehicle access and designating protected zones for vulnerable vegetation
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Which feature is most important for evaluating an alternative future for cold environments?
- Assuming the current situation will never change, which fixes the future at the present state
- Comparing scenarios of climate change, development and conservation and their likely outcomes
- Considering only tourism as the sole future driver, which would limit the range of possible outcomes
- Ignoring the role of climate change in future scenarios, which would simplify the analysis
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Why does a small disturbance in a cold environment sometimes have long-lasting effects?
- Disturbance never has effects in cold climates, because the ground is too hard to be damaged
- Low temperatures and short growing seasons slow the recovery of vegetation and soils
- Cold climates speed up soil formation, so the land recovers immediately after any disturbance
- Cold environments recover within weeks from any disturbance, so the effects rarely last
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Which impact of tourism in an Arctic setting is most likely to be long-lasting?
- Erosion of tundra soils along footpaths and tracks
- A short-term rise in the number of photographs taken, which has no physical effect on the land
- A temporary increase in the number of visitors in summer, which returns to normal in autumn
- A brief increase in litter collected from beaches, which is removed by the next clean-up
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Which statement about the impact of climate change on cold environments is most accurate?
- Warming will increase ice cover everywhere in the Arctic, which will protect the land from change
- Warming will only affect the tropics and not cold regions, which remain stable under any change
- Warming is likely to reduce ice cover, thaw permafrost and alter ecosystems, with consequences for people
- Warming will have no effect on ecosystems in cold environments, which are unaffected by temperature
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Which description best defines the management of cold environments in the future?
- Balancing development, conservation and climate adaptation with the aim of sustaining the environment
- Replacing the natural environment with artificial structures, which would remove the need for management
- Maximising extraction of resources regardless of environmental cost, which is the main aim of development
- Abandoning all management because the environment is too remote to be affected by people
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A survey finds that a tundra landscape has many footpath scars after several years of tourism. Which conclusion is best supported?
- The footpaths show that repeated use has damaged fragile vegetation, which may take many years to recover
- The footpaths will recover fully within one summer, so no management is needed at all
- The footpaths show that the tundra is highly resistant to damage, so its use is unlimited
- The footpaths have no effect on the tundra's vegetation, which is unaffected by visitors
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Which example illustrates a human impact on a cold environment through pollution?
- Solifluction that moves soil down a slope, which is a natural mass movement process
- Frost shattering that breaks rock on a mountain ridge, which is a natural weathering process
- Atmospheric deposition of pollutants transported to Arctic regions that accumulate in snow and ice
- Natural snowfall that adds fresh snow to a glacier, which is a natural input to the ice
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Which factor makes the impact of climate change on cold environments especially important for human settlement?
- Thawing permafrost increases the stability of foundations, which makes building safer over time
- Frozen ground always provides a stable base for all building, whatever the temperature
- Thawing has no effect on infrastructure in cold regions, which is built on rock rather than soil
- Thawing permafrost damages buildings, roads and pipelines built on frozen ground
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What is a key concern about tourism in polar environments?
- Visitors have no effect because polar areas are too cold for any impact to last
- Visitor trampling and disturbance of wildlife and vegetation in sensitive areas
- Tourists increase the stability of permafrost through their footfall on the ground
- Tourism always improves the vegetation by spreading seeds in new areas of the tundra
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Which activity is most likely to cause the release of stored carbon in cold environments?
- Installing solar panels on the roofs of settlements in the north of the region
- Planting shelter belts of conifers across the tundra margins to protect the settlements
- Draining or disturbing peatland and permafrost soils, which exposes carbon to decomposition
- Harvesting reindeer for meat from managed herds in the region each autumn
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Why is oil and gas development in the Arctic a concern for fragile environments?
- Oil development has no effect on the environment because the Arctic is covered in ice year round
- Pipelines always raise the local temperature and improve permafrost stability in the area
- Oil spills are quickly removed by natural processes within a single season of the year
- Spills, road building and pipelines can damage vulnerable ecosystems that recover slowly
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Which management strategy best addresses increasing visitor pressure on a fragile cold environment?
- Setting visitor limits and designated routes to concentrate use and protect sensitive ground
- Opening new unmarked trails across all areas to spread visitors evenly across the landscape
- Removing all signs so that visitors can explore freely without restriction in any area
- Building a large car park at the most sensitive viewpoint in the area for convenience
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What is the main significance of ecological sensitivity in cold environments?
- Species in cold environments respond quickly, so disturbance is always short-lived and easily reversed
- Ecological sensitivity refers only to the number of tourists who visit each year to the area
- Cold environments have no ecological processes, so sensitivity does not apply to them at all
- Species and soils respond strongly and slowly to change, so small disturbances can have long-lasting effects
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Which approach would help to assess the scale of human impacts over time in a cold environment?
- Measuring only the total rainfall in one recent wet year as a single data point
- Recording the number of new hotels built within the nearest town over a single season
- Comparing repeat surveys of vegetation, soils and visitor use with historical records
- Counting the number of photographs posted online each summer by visitors to the area
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