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Question 1Maps, statistics, spatial analysis and fieldwork
On a map, the ratio 1:50,000 is an example of which type of scale?
- Verbal scale
- Graphic (bar) scale
- Nominal scale
- Representative fraction scale Correct answer.
Explanation
A representative fraction (RF) expresses scale as a ratio such as 1:50,000, meaning one unit on the map equals 50,000 of the same units on the ground. It is unitless, so it works for any measurement system. A verbal scale states the relationship in words, and a graphic scale uses a marked bar.
Question 2Physical geography and earth-surface processes
A deep ocean trench, frequent earthquakes, and a volcanic mountain arc are most characteristic of which plate boundary?
- Divergent boundary
- Transform boundary
- Hotspot far from any boundary
- Convergent (subduction) boundary Correct answer.
Explanation
At a convergent boundary where an oceanic plate subducts beneath another plate, a deep trench forms at the subduction line, and melting of the descending slab feeds a volcanic arc. The Andes and the Japanese island arc are examples.
Question 3Climate systems and environmental change
Which statement about the Equator's climate is most accurate?
- It experiences four distinct temperate seasons
- It is dominated by polar high pressure and aridity
- It has the largest annual temperature range on Earth
- It receives relatively consistent, high solar energy year-round, producing warm temperatures Correct answer.
Explanation
Near the Equator the Sun's rays strike at a high angle throughout the year, delivering consistently high insolation. This produces warm temperatures with small annual variation; in humid equatorial regions it also produces year-round rainfall and rainforest vegetation.
Question 4Rivers, coasts and catchment water accounting
In a developing river meander bend, where do lateral erosion and sediment deposition predominantly take place?
- Erosion on the inner convex bank; Deposition on the outer concave bank
- Erosion on the outer concave bank; Deposition on the inner convex bank (slip-off slope) Correct answer.
- Erosion across both banks equally; Deposition only on the river bed centre
- Deposition along the outer bank; Zero erosion anywhere along the bend
Explanation
In a meander, helicoidal water flow travels fastest on the outside of the bend (outer concave bank), creating lateral erosion and forming a steep river cliff. Water flows slowest on the inside of the bend (inner convex bank), reducing energy and depositing sand/gravel to form a gently sloping slip-off slope (point bar).
Question 5Population, cities, economic location and development
In the demographic transition model, a country with high birth rates and rapidly declining death rates, producing very high population growth, is in which stage?
- Stage 1
- Stage 4
- Stage 5
- Stage 2 Correct answer.
Explanation
Stage 2 of the demographic transition model features continued high birth rates but sharply falling death rates due to improvements in food supply, sanitation, and medicine. This gap produces the most rapid natural population increase.
Question 6Resources, environment and sustainability
Overdrawing groundwater from an aquifer faster than it recharges most directly leads to
- falling water tables, well failure, and possible land subsidence Correct answer.
- rising water tables and flooding
- increased rainfall in the region
- the formation of new mountains
Explanation
When groundwater is pumped faster than natural recharge, the water table drops, wells can run dry, pumping costs rise, and in some areas the land surface subsides. This is a major sustainability concern for aquifers like the Ogallala.
Question 7Regional comparison and territorial scales
A region develops specialty fruit farming because of unique climate, brand reputation, and transport to cities. This best illustrates:
- Using regional comparative advantages Correct answer.
- Ignoring all market demand
- A purely random land-use choice
- The absence of human-environment interaction
Explanation
Regional development often builds on local physical and human advantages. Climate, branding, and market access combine to create a competitive specialty sector.
Question 8Maps, statistics, spatial analysis and fieldwork
What is the main difference between a general-purpose (topographic) map and a thematic map?
- A topographic map shows a broad range of natural and human features (relief, water, settlements, roads), while a thematic map focuses on one specific topic such as climate or population Correct answer.
- A topographic map only shows political borders
- A thematic map can only be produced at a large scale
- There is no real difference; the two terms are interchangeable
Explanation
A general-purpose (topographic) map is designed to show many kinds of features at once - relief, hydrography, settlements, and infrastructure - so it can serve many different uses. A thematic map, by contrast, is built around a single subject, such as climate zones, population density, or economic activity, and simplifies or omits other detail to highlight that theme clearly.
Question 9Maps, statistics, spatial analysis and fieldwork
A map has a scale of 1:50,000. What does this mean?
- 1 cm on the map represents 50,000 cm (500 m) on the ground Correct answer.
- The map covers exactly 50,000 square kilometers
- 1 km on the map represents 50,000 km on the ground
- The map was produced in the year 1950
Explanation
A representative fraction scale of 1:50,000 means that any unit of distance measured on the map corresponds to 50,000 of that same unit on the actual ground. So 1 cm on the map equals 50,000 cm, or 500 meters, in reality, which lets a map reader convert measured map distances into real-world distances.
Question 10Maps, statistics, spatial analysis and fieldwork
Compared to a small-scale map, a large-scale map...
- shows a smaller area of land in much greater detail Correct answer.
- shows a larger area of land with less detail
- always covers an entire continent or ocean
- cannot represent relief (hills and valleys) at all
Explanation
Map scale describes the ratio between map distance and real distance, and a 'large' scale (such as 1:10,000) has a large ratio number relative to distance covered, meaning a small real-world area is shown with lots of detail. A 'small' scale (such as 1:1,000,000) covers a much bigger area but with far less detail per feature.
Question 11Maps, statistics, spatial analysis and fieldwork
In map and compass work, what does an 'azimuth' measure?
- The horizontal angle, measured clockwise from true north, to a given direction or object Correct answer.
- The vertical angle above the horizon to an object in the sky
- The straight-line distance between two points in kilometers
- The difference in elevation between two points on a map
Explanation
An azimuth is a horizontal bearing, expressed in degrees from 0 to 360, measured clockwise starting from true north. It tells you which direction to travel or look, independent of distance or elevation, and is a standard tool for orienting oneself using a map and compass.
Question 12Maps, statistics, spatial analysis and fieldwork
On a topographic map, why is the legend (the key explaining symbols and colors) essential?
- It explains what each symbol, line style, and color used on the map actually represents Correct answer.
- It shows only the map's scale and nothing else
- It lists the mapmaker's name and the publication date
- It indicates which direction on the map is north
Explanation
A map legend translates the map's visual language - symbols, colors, and line patterns - into meaning, so a reader can correctly identify features like roads, forests, marshes, or buildings. Without the legend, many map symbols would be ambiguous or meaningless to someone unfamiliar with that particular map series.
Question 13Maps, statistics, spatial analysis and fieldwork
Why is the equator (0° latitude) significant in geography?
- It is the reference line from which latitude is measured, and it divides Earth into Northern and Southern Hemispheres Correct answer.
- It is the reference line from which longitude is measured
- It passes directly through Greenwich, England
- It marks the boundary of the Arctic Circle
Explanation
The equator is defined as 0° latitude, and all other parallels are measured as degrees north or south of it, up to 90° at the poles. Because it splits the globe exactly in half, it also serves as the boundary between the Northern and Southern Hemispheres.
Question 14Maps, statistics, spatial analysis and fieldwork
From which reference line is geographic longitude measured?
- The prime meridian (0°), which passes through Greenwich Correct answer.
- The equator
- The Tropic of Cancer
- The International Date Line only
Explanation
Longitude is measured in degrees east or west of the prime meridian, an imaginary north-south line running through Greenwich, England, that was internationally adopted as 0° longitude. Locations are described as being up to 180° East or 180° West of this line.
Question 15Maps, statistics, spatial analysis and fieldwork
A location is described using the coordinates 59°N, 25°E. What do these two numbers represent?
- Its latitude (distance north of the equator) and its longitude (distance east of the prime meridian) Correct answer.
- Its elevation above sea level and its distance from the coast
- Its time zone number and its current local time
- Its distance from the North Pole measured in kilometers
Explanation
Geographic coordinates always consist of a latitude value (how far north or south of the equator a place lies) and a longitude value (how far east or west of the prime meridian it lies), together pinpointing an exact location on Earth's surface.
Question 16Maps, statistics, spatial analysis and fieldwork
Two cities lie exactly 45 degrees of longitude apart, in a region where each 15 degrees of longitude equals one hour of time difference. If it is 14:00 in the city to the west, what time is it in the city to the east?
- 17:00 (3 hours later) Correct answer.
- 11:00 (3 hours earlier)
- 14:45
- 14:00 (exactly the same time)
Explanation
Since Earth rotates eastward, locations further east experience sunrise, noon, and every other point in the day earlier than locations to the west, meaning clocks to the east are set ahead. Dividing the 45-degree gap by 15 degrees per hour gives 3 hours, so the eastern city's clock reads 3 hours later: 17:00.
Question 17Maps, statistics, spatial analysis and fieldwork
A ship crosses the International Date Line while traveling westward (for example, from Alaska toward Russia). What happens to the calendar date on board?
- The date jumps forward by one day Correct answer.
- The date jumps backward by one day
- The date stays exactly the same
- The date never changes anywhere near the Date Line, only the time does
Explanation
The International Date Line, running roughly along 180° longitude, exists precisely to reconcile the fact that clocks reset by a full 24 hours as you circle the globe. Crossing it while traveling west (further into 'tomorrow' relative to the starting point) advances the calendar date by one full day.
Question 18Maps, statistics, spatial analysis and fieldwork
On a topographic map, a point's 'absolute height' is its elevation measured relative to what reference?
- Mean sea level Correct answer.
- The nearest river's water surface
- The base of the nearest hill
- The edge of the map sheet
Explanation
Absolute height (or altitude) is a standardized measurement of elevation taken relative to mean sea level, allowing heights of different places anywhere on Earth to be directly compared. This is distinct from relative height, which only compares two nearby points to each other.
Question 19Maps, statistics, spatial analysis and fieldwork
On a contour map, where contour lines are drawn very close together, the terrain shown is...
- steep Correct answer.
- flat
- underwater
- densely forested
Explanation
Contour lines connect points of equal elevation, and each line typically represents a fixed elevation interval. When many lines are packed tightly together over a short horizontal distance, it means elevation is changing rapidly across that distance, which is the definition of steep terrain.
Question 20Maps, statistics, spatial analysis and fieldwork
An object is described as lying to the 'southeast' of a reference point. In which general direction from that point is it located?
- Between south and east Correct answer.
- Between north and west
- Directly south
- Directly east
Explanation
Southeast is an intercardinal direction, positioned exactly halfway between the cardinal directions south and east on a compass. It describes a diagonal direction rather than a single due-south or due-east bearing.
Question 21Maps, statistics, spatial analysis and fieldwork
Compared to a conventional printed map, a satellite photo or aerial photograph...
- shows the land surface's real, unfiltered appearance at the moment it was captured, without symbols or generalization Correct answer.
- always has one single, fixed scale that never needs to be calculated
- cannot be used to identify or study geographic features
- shows only political boundaries between countries
Explanation
A photograph is a direct visual record of the ground exactly as it appeared when captured, without the symbolization, generalization, or selective emphasis that a cartographer applies when designing a map. This makes photographs valuable for verifying real conditions, though they still require interpretation to identify specific features.
Question 22Maps, statistics, spatial analysis and fieldwork
On a map with a scale of 1:200,000, two towns are measured as 6 cm apart. What is the actual distance between them on the ground?
- 12 km Correct answer.
- 1.2 km
- 120 km
- 6 km
Explanation
Multiplying the measured map distance by the scale factor gives the real distance: 6 cm times 200,000 equals 1,200,000 cm, which converts to 12,000 meters, or 12 kilometers. Working the scale ratio carefully through the correct unit conversions is essential to getting an accurate real-world distance.
Question 23Maps, statistics, spatial analysis and fieldwork
What is a key advantage of an interactive digital map (such as one on a smartphone) over a traditional printed paper map?
- It can be zoomed and updated with current data, and it often shows the user's real-time location Correct answer.
- It never requires any scale to interpret distances
- It can only show relief using contour lines
- It cannot display any thematic information such as traffic or weather
Explanation
Digital maps combine the core cartographic elements of traditional maps with real-time data feeds and interactivity, letting users zoom for more detail, receive updated information, and see their own live location via satellite positioning. This dynamic, data-linked quality is something a static printed map cannot offer.
Question 24Maps, statistics, spatial analysis and fieldwork
What is meant by 'world time' or 'universal time' (such as Greenwich Mean Time / UTC) as a geographic reference?
- A single global reference time, anchored to the prime meridian, against which all other time zones are defined as offsets Correct answer.
- The mathematical average of every local solar time on Earth added together
- A time system used only in the Southern Hemisphere
- A time standard that has no fixed geographic reference point at all
Explanation
Universal time is fixed to the prime meridian at Greenwich and serves as the baseline from which every other time zone's offset (plus or minus a number of hours) is calculated. This shared reference lets people worldwide coordinate schedules despite living under many different local clock times.
Question 25Maps, statistics, spatial analysis and fieldwork
Lines of longitude, also called meridians, run in which direction?
- From the North Pole to the South Pole (north-south) Correct answer.
- Parallel to the equator (east-west)
- Only through oceans, never across land
- Only within the Northern Hemisphere
Explanation
Meridians are half-circles that connect the North Pole to the South Pole, running in a north-south direction, and every meridian crosses the equator at a right angle. This is the opposite orientation to parallels of latitude, which run east-west around the globe.
Question 26Maps, statistics, spatial analysis and fieldwork
On June 21 (the June solstice), at solar noon, the Sun appears directly overhead along which latitude?
- 23.5°N, the Tropic of Cancer Correct answer.
- 0°, the equator
- 23.5°S, the Tropic of Capricorn
- 66.5°N, the Arctic Circle
Explanation
Because Earth's axis is tilted about 23.5 degrees, the point where the Sun sits directly overhead at solar noon shifts throughout the year between the two tropics. On the June solstice, that point of maximum tilt toward the Sun reaches its northernmost limit, exactly at the Tropic of Cancer (23.5°N).
Question 27Maps, statistics, spatial analysis and fieldwork
When geographers describe a country's 'geographical position,' which factors are typically considered?
- Its latitude and longitude, its neighboring countries and seas, and its location relative to major landmasses or climate zones Correct answer.
- Only the size of its population
- Only its official language
- Only the currency it uses
Explanation
Geographical position is a physical-spatial description: where a country sits on the globe, which countries and bodies of water border it, and how it relates to broader regional and climatic patterns. This differs from demographic, linguistic, or economic descriptions, which are separate categories of information about a country.
Question 28Physical geography and earth-surface processes
A 'natural zone' (loodusvöönd) is a large region defined mainly by its characteristic combination of...
- climate, soil, vegetation, and animal life occurring together in a recognizable pattern Correct answer.
- political borders and type of government
- official currency and spoken language
- population size alone
Explanation
A natural zone is defined by physical geography, not human institutions: the climate, soils, plant life, and animal life that typically occur together across a broad region, such as tundra, taiga, or savanna. These natural criteria are what distinguish one zone from another.
Question 29Physical geography and earth-surface processes
Which set of features best characterizes the tundra natural zone?
- Permafrost, low-growing mosses and lichens, and long, harsh winters with a brief summer growing season Correct answer.
- Year-round hot and humid conditions with a dense rainforest canopy
- Wide grasslands with a distinct wet and dry season, home to zebras and lions
- Extensive hot deserts with almost no precipitation
Explanation
Tundra regions are defined by permanently frozen ground (permafrost), a short and cool growing season, and low-growing vegetation such as mosses, lichens, and small shrubs, since trees cannot establish roots in the frozen subsoil.
Question 30Physical geography and earth-surface processes
The savanna natural zone is best described as having...
- a distinct wet season and dry season, with grassland dotted by scattered trees, supporting animals like giraffes and lions Correct answer.
- permanent snow cover throughout the entire year
- year-round even rainfall exceeding 2000mm with no dry period at all
- permafrost soils and a very short growing season
Explanation
Savanna is a tropical grassland zone marked by a clear seasonal rhythm - a wet season supporting grass growth and a pronounced dry season - and it typically features scattered trees rather than dense forest, supporting large grazing animals and their predators.
Question 31Physical geography and earth-surface processes
The taiga (boreal forest) natural zone is dominated by...
- vast coniferous forests found across northern regions with cold winters, such as much of Canada, Scandinavia, and Siberia Correct answer.
- tropical broadleaf trees found only near the equator
- cacti and other desert-adapted plants
- coral reefs and other marine ecosystems
Explanation
The taiga is the world's largest terrestrial biome, stretching across the high-latitude Northern Hemisphere in a broad band through Canada, Scandinavia, and Russia, dominated by cold-tolerant coniferous trees such as spruce, pine, and fir.
Question 32Physical geography and earth-surface processes
The overall global pattern of natural zones, from polar regions to the equator, is primarily organized according to...
- latitude, since it strongly determines the amount and angle of solar radiation received, and therefore climate Correct answer.
- the total length of a country's coastline
- the number of rivers found within a country
- a region's population density
Explanation
Latitude governs how directly and how long sunlight strikes a given part of Earth's surface, which is the fundamental driver of regional climate differences. Because natural zones are themselves defined largely by climate, they follow a broadly latitudinal pattern from the poles to the equator.
Question 33Physical geography and earth-surface processes
As elevation increases up a tall mountain near the equator, the sequence of natural zones encountered is most similar to...
- traveling from the equator toward the poles at sea level - from tropical vegetation at the base to tundra-like, permanently snow-covered conditions near the summit Correct answer.
- the exact reverse: conditions become progressively hotter and more tropical near the summit
- no change at all occurring with increasing elevation
- only desert conditions occurring, regardless of elevation
Explanation
Temperature falls steadily with elevation, so climbing a tall tropical mountain reproduces, in miniature, the same broad sequence of zones you would encounter traveling from the equator to the poles - moving from tropical vegetation at the base up through progressively cooler zones to permanent snow near the summit. This pattern is known as altitudinal zonality.
Question 34Physical geography and earth-surface processes
'Permafrost,' a defining feature of tundra regions, refers to...
- ground that remains frozen year-round, sometimes for centuries, beneath a thin surface layer that may briefly thaw in summer Correct answer.
- a type of nutrient-rich tropical soil
- seawater that never freezes, regardless of temperature
- a rock type formed only through volcanic activity
Explanation
Permafrost is ground - soil, rock, or sediment - that stays at or below freezing for at least two consecutive years, and often for centuries or longer, with only a thin active surface layer thawing briefly during summer. It underlies most tundra regions and strongly limits plant root growth.
Question 35Physical geography and earth-surface processes
Chernozem (black earth), one of the most fertile soil types in the world, is most characteristic of which natural zone?
- Steppe and prairie grasslands Correct answer.
- Tropical rainforest
- Arctic tundra
- Hot desert
Explanation
Chernozem forms under grassland ecosystems such as the steppe and prairie, where deep-rooted grasses contribute large amounts of organic matter to the soil each year, producing a thick, dark, highly fertile layer ideal for grain farming.
Question 36Physical geography and earth-surface processes
A glacier forms in a location where...
- snowfall accumulates over many years faster than it melts, compacting into thick ice that can slowly flow under its own weight Correct answer.
- rainfall is heavy but temperatures remain warm year-round
- volcanic eruptions permanently cool the surrounding air
- a river freezes completely for a single winter only
Explanation
Glaciers form where more snow accumulates each year than melts away, so successive layers compress older snow into dense ice over many years. Once thick enough, this ice mass begins to slowly flow downhill under its own weight.
Question 37Physical geography and earth-surface processes
'Desertification' refers to the process by which...
- previously fertile or semi-arid land becomes increasingly arid and unproductive, often due to climate change, overgrazing, or poor land use Correct answer.
- a desert region suddenly receives heavy year-round rainfall and turns into rainforest
- ocean water evaporates completely away from an entire region
- glaciers advance rapidly over productive farmland
Explanation
Desertification describes land degradation in which fertile or semi-arid land loses its vegetation and productive capacity, becoming progressively more desert-like, often driven by a combination of climatic shifts, overgrazing, deforestation, and unsustainable farming practices.
Question 38Physical geography and earth-surface processes
Indigenous peoples living traditionally within the tundra or taiga zones have typically adapted their livelihoods around...
- activities suited to a cold climate and its resources, such as reindeer herding, fishing, and hunting Correct answer.
- large-scale tropical fruit plantations
- year-round rice paddy farming
- desert oasis agriculture
Explanation
Communities native to tundra and taiga regions, such as the Sámi of northern Scandinavia, have traditionally built their livelihoods around resources suited to a cold climate - herding reindeer, fishing in rivers and coastal waters, and hunting - rather than crop-based farming, which the harsh climate largely prevents.
Question 39Population, cities, economic location and development
Farming, fishing, forestry, and mining are all classified as which economic sector?
- The primary sector, based on extracting raw materials directly from nature Correct answer.
- The secondary sector, based on manufacturing
- The tertiary sector, based on services
- The quaternary sector, based solely on scientific research
Explanation
The primary sector covers economic activities that extract raw materials directly from the natural environment - crops, fish, timber, and minerals - before any further processing takes place. This distinguishes it from the sectors that transform or sell those materials.
Question 40Population, cities, economic location and development
Which of these energy sources is considered renewable?
- Wind power Correct answer.
- Oil shale
- Coal
- Crude oil
Explanation
Wind power harnesses a naturally replenishing resource - moving air - that will not run out on any human timescale, making it renewable. Oil shale, coal, and crude oil, by contrast, are fossil fuels that formed over millions of years and are consumed far faster than nature replaces them.
Question 41Population, cities, economic location and development
A key advantage of hydroelectric power over fossil-fuel power plants is that it...
- produces no direct carbon emissions during electricity generation once the plant is built Correct answer.
- requires no rivers or flowing water of any kind
- can be built profitably in any location regardless of terrain or water supply
- has absolutely zero environmental impact of any kind
Explanation
Once a hydroelectric dam is operating, generating electricity from the flow of water produces no direct carbon dioxide emissions, unlike burning coal, oil, or gas. This makes it an important source of low-carbon electricity in many countries.
Question 42Population, cities, economic location and development
Estonia has historically relied heavily on which fuel to generate a large share of its domestic electricity?
- Oil shale (põlevkivi) Correct answer.
- Imported crude oil
- Geothermal steam
- Tidal power
Explanation
Estonia sits on large domestic oil shale deposits and has built much of its power generation infrastructure around burning this fuel, making it historically one of the world's most oil-shale-dependent electricity systems.
Question 43Population, cities, economic location and development
Which action would most directly help reduce a household's overall energy consumption?
- Improving home insulation to reduce heat loss during winter Correct answer.
- Increasing the number of appliances left on standby overnight
- Replacing efficient LED bulbs with older incandescent bulbs
- Removing insulation from walls and roof spaces
Explanation
Better insulation reduces the amount of heat that escapes a building in winter, meaning the heating system needs to work less to maintain a comfortable indoor temperature, which directly lowers overall energy use.
Question 44Population, cities, economic location and development
In agriculture, soil is best understood as...
- a valuable natural resource that can be degraded by poor management or renewed through careful stewardship Correct answer.
- an infinite resource that can never be damaged in any way
- something with no meaningful economic value
- relevant only to industrial manufacturing, not to farming
Explanation
Fertile soil is a finite, valuable resource that underpins agricultural productivity, but it can be depleted or damaged through erosion, overuse, or poor practices - and it can also be protected and improved through sustainable management such as crop rotation and careful fertilization.
Question 45Population, cities, economic location and development
A region's choice to specialize in a particular type of farming (for example, dairy versus grain production) is most influenced by...
- local factors such as climate, soil quality, terrain, and market demand Correct answer.
- the phase of the moon during the planting season
- the number of tourists visiting the region that year
- random chance, with no identifiable underlying pattern
Explanation
Farmers and regions tend to specialize in the crops or livestock best suited to their local climate, soil type, and terrain, while also responding to nearby market demand and transport access. These combined factors explain why, for instance, dairy farming often concentrates in cooler, grass-rich regions while grain farming favors flatter, fertile plains.
Question 46Population, cities, economic location and development
Tourism can bring significant economic benefits to a region, but it can also create problems such as...
- overcrowding, strain on local infrastructure, and environmental damage at popular sites Correct answer.
- a guaranteed overall decrease in local employment
- the complete elimination of every other local industry
- an automatic decline in the region's population
Explanation
Popular tourist destinations often struggle with overcrowded roads and services, wear and tear on natural or historic sites, and rising costs of living for local residents, even while tourism also creates jobs and income for the local economy.
Question 47Population, cities, economic location and development
For transporting very large volumes of bulk goods, such as iron ore or grain, over long distances at low cost, which transport mode is typically most efficient?
- Maritime (sea) shipping Correct answer.
- Air freight
- Private passenger cars
- Bicycle courier
Explanation
Cargo ships can carry enormous quantities of bulk goods at a relatively low cost per unit, making sea transport the standard method for moving raw materials like ore, grain, coal, and oil across oceans and along major coastal trade routes.
Question 48Population, cities, economic location and development
A 'transport corridor' in the European context generally refers to...
- a major, well-connected route (by rail, road, or waterway) linking key economic regions or countries for the efficient movement of goods and people Correct answer.
- a single, isolated rural footpath used by a handful of residents
- a corridor used exclusively for pedestrian traffic in one small town
- a legal boundary line drawn between two neighboring countries
Explanation
European transport corridors are strategically important, high-capacity routes - often combining rail lines, highways, and inland waterways - that connect major economic centers across countries, supporting efficient long-distance trade and travel across the continent.
Question 49Population, cities, economic location and development
Which of the following is most commonly cited as an environmental problem associated with heavy reliance on road transport?
- Air pollution and greenhouse gas emissions from vehicle exhaust Correct answer.
- A guaranteed increase in biodiversity along busy highways
- Reduced noise levels near busy roads
- An automatic decrease in fossil fuel consumption
Explanation
Road vehicles burning petrol and diesel release significant quantities of air pollutants and greenhouse gases, making heavy road transport dependence a major contributor to both local air quality problems and broader climate concerns.
Question 50Physical geography and earth-surface processes
From the surface inward, in what order are Earth's main internal layers arranged?
- Crust, then mantle, then core Correct answer.
- Core, then mantle, then crust
- Mantle, then crust, then core
- Crust, then core, then mantle
Explanation
Earth is built of three main concentric layers: a thin outer crust that we live on, a thick middle mantle of hot, slowly flowing rock, and a dense core at the very center. This crust-mantle-core order, from outside to inside, is the standard model of Earth's internal structure.