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100+ Free Canary Islands PAU Geography Practice Questions
Canary Islands PAU Geography Examination — ULPGC & ULL (Geografía de España y de Canarias 2º Bachillerato 2026) practice questions are available now; exam metadata is being verified.
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Sample Canary Islands PAU Geography Practice Questions
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1What is the geological origin of the Canary Archipelago according to modern intraplate volcanic theory?
A.Subduction of the Atlantic oceanic crust beneath the African continental plate
B.Intraplate volcanism linked to a mantle plume (hotspot) combined with regional tectonic fractures
C.Fold mountain formation resulting from the Alpine orogeny without volcanic activity
D.Glacial deposit accumulation followed by tectonic uplift during the Quaternary period
Explanation: The Canary Islands were formed by intraplate magmatism, predominantly explained by a mantle plume (hotspot) over which the African tectonic plate slowly moves, combined with regional fault reactivations. This intraplate mechanism created oceanic volcanic islands rising from the seabed over the past 20 million years.
2How did the Caldera de Taburiente on La Palma form geomorphologically?
A.Subduction trench depression caused by tectonic compression
B.Pure meteoritic impact during the early Pleistocene epoch
C.A combination of massive gravitational landsliding followed by intense river erosion by ravines
D.A quiet effusive basaltic eruption without any explosive phase or structural collapse
Explanation: The Caldera de Taburiente formed primarily through catastrophic gravitational flank collapse (giant landslide) towards the southwest, followed by continuous fluvial erosion driven by the Taburiente stream network, creating a massive amphitheater-shaped depression.
3Which major morphostructural unit forms the central plateau of mainland Spain?
A.The Pyrenean Axial Zone
B.The Baetic Depression
C.The Meseta Central
D.The Ebro Basin
Explanation: The Meseta Central is the oldest structural core of mainland Spain, an elevated Hercynian basement divided into the Submeseta Norte and Submeseta Sur by the Sistema Central range.
4Which high-pressure atmospheric center dominant over the Atlantic strongly influences the weather in the Canary Islands?
A.The Icelandic Low
B.The Saharan Equatorial Depression
C.The Siberian Anticyclone
D.The Azores High (Anticiclón de las Azores)
Explanation: The Azores High (Anticiclón de las Azores) is a subtropical high-pressure cell situated over the North Atlantic. Its position directs persistent northeast trade winds toward the Canary Islands, providing atmospheric stability and moisture to windward slopes.
5What are the trade winds (vientos alisios) and what is their prevailing direction in the Canary Islands?
A.Warm westerly winds blowing from North America
B.Dry southerly winds coming directly from the Congo basin
C.Persistent subtropical winds blowing from the Northeast toward the Equator
D.Polar easterly winds originating from Greenland
Explanation: Trade winds (vientos alisios) are persistent winds generated by the Azores High that blow from the northeast across the eastern Atlantic towards the equator. In the Canaries, they bring moist maritime air that interacts with mountain slopes.
6What phenomenon creates the 'sea of clouds' (mar de nubes) on the northern slopes of the higher Canary Islands?
A.The condensation of moist trade winds trapped against mountain slopes under a thermal inversion layer
B.Evaporation from coastal salt pans rising into dry desert air
C.Freezing arctic fronts descending to sea level
D.Volcanic steam emissions from active fumaroles
Explanation: The 'mar de nubes' forms when moist northeast trade winds ascend mountain slopes and cool down. A warm, dry layer of subsidence air above (thermal inversion between 800 and 1,500 meters) prevents further vertical rising, trapping the cloud layer and creating horizontal precipitation.
7Which vegetation belt characterizes the coastal lowlands (0 to 300-400 meters) in the Canary Islands?
A.Subalpine retamar
B.Canarian pine forest
C.Dense Laurisilva cloud forest
D.Xerophytic scrub (tabaibal-cardonal)
Explanation: The coastal and basal belt (piso basal) is characterized by semi-arid xerophytic vegetation dominated by cardones (Euphorbia canariensis) and tabaibas (Euphorbia balsamifera), adapted to low rainfall, high sunshine, and saline soils.
8What type of ecosystem is the Laurisilva in the Canary Islands?
A.A subtropical humid evergreen cloud forest composed of laurel family species
B.A boreal coniferous forest dominated by spruces
C.A deciduous oak-beech forest adapted to severe winter frost
D.A xerophytic cactus desert with sparse annual herbs
Explanation: Laurisilva is a subtropical evergreen cloud forest ecosystem rich in broad-leaved trees from the Lauraceae family (laurel, til, viñátigo, barbusano). It thrives in the humid mid-altitude zone (600–1,200 m) direct in the path of the mar de nubes.
9Which remarkable ecological feature enables the Canarian Pine (Pinus canariensis) to survive frequent volcanic eruptions and wildfires?
A.Thick fire-resistant bark and epicormic sprouting capability from the trunk
B.Extremely thin bark that easily sheds water
C.Complete lack of resin inside its wood
D.An annual life cycle where trees die each autumn and re-seed in spring
Explanation: Pinus canariensis has thick, insulating corky bark and dormant epicormic buds, allowing trees to resprout vigorously from trunks and branches even after intense wildfires or volcanic ash burial.
10Why do the Canary Islands lack permanent, continuously flowing rivers?
A.Permafrost layers blocking ground drainage
B.Flat topography preventing water movement
C.Extremely high soil permeability of volcanic rocks combined with steep topography and torrential rainfall
D.Lack of any rainfall across the entire archipelago throughout the year
Explanation: Highly porous and fractured volcanic basalt rocks absorb rainwater rapidly into subsurface water tables, while steep slopes cause surface runoff to drain rapidly through steep ravines (barrancos) only during storm events.
About the Canary Islands PAU Geography Practice Questions
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