Catalonia PAU Geology & Env Sci Practice Questions - Catalonia PAU Geology and Environmental Sciences (Geologia i Ciències Ambientals - PAU Catalunya 2026) Exam - Catalonia PAU Geology & Env Sci Practice Questions - Catalonia PAU Geology and Environmental Sciences (Geologia i Ciències Ambientals

Question 1

Which seismic body wave travels fastest through Earth's interior and can propagate through solid, liquid, and gaseous media?

Primary (P) waves Secondary (S) waves Rayleigh surface waves Love surface waves

Correct Answer:

Primary (P) waves

Question 2

In the mechanical layer model of Earth's interior, how is the lithosphere distinguished from the underlying asthenosphere?

The lithosphere is composed of liquid iron, while the asthenosphere consists of solid mantle rock. The lithosphere is rigid and brittle, comprising the crust and uppermost mantle, while the asthenosphere is ductile upper mantle. The lithosphere extends from the lower mantle to the outer core, while the asthenosphere forms the continental crust. The lithosphere is non-tectonic, while the asthenosphere forms Earth's magnetic core.

Correct Answer:

The lithosphere is rigid and brittle, comprising the crust and uppermost mantle, while the asthenosphere is ductile upper mantle.

Question 3

What type of plate boundary is characterized by two tectonic plates moving laterally past one another along horizontal strike-slip faults?

Divergent boundary Convergent boundary Transform boundary Subduction zone

Correct Answer:

Transform boundary

Question 4

What causes the abrupt increase in seismic wave velocity known as the Mohorovičić (Moho) discontinuity?

The transition from solid lower mantle to liquid outer core. The boundary between the atmosphere and lithosphere. The change from liquid outer core to solid inner core. The compositional boundary between low-density crustal rocks and high-density mantle peridotite.

Correct Answer:

The compositional boundary between low-density crustal rocks and high-density mantle peridotite.

Question 5

Which mechanism is primarily responsible for generating calc-alkaline magmatism and explosive volcanism at island arc systems?

Flux melting of the mantle wedge triggered by dehydration of subducted oceanic crust. Decompression melting of upwelling asthenospheric mantle beneath continental rifts. Isothermal decompression along mid-ocean ridge transform offsets. Conductive heating of continental lithosphere over a stationary mantle plume.

Correct Answer:

Flux melting of the mantle wedge triggered by dehydration of subducted oceanic crust.

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About this Exam

Prepare with the Catalonia PAU Geology & Env Sci Practice Questions - Catalonia PAU Geology and Environmental Sciences (Geologia i Ciències Ambientals - PAU Catalunya 2026) Exam practice quiz. This question bank includes 100 questions covering geological, plate, along, rock, and river. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Catalonia PAU Geology & Env Sci Practice Questions - Catalonia PAU Geology and Environmental Sciences (Geologia i Ciències Ambientals - PAU Catalunya 2026) Exam

This practice set contains 100 questions from the matching question bank and focuses on geological, plate, along, rock, and river. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Catalonia PAU Geology & Env Sci Practice Questions - Catalonia PAU Geology and Environmental Sciences (Geologia i Ciències Ambientals - PAU Catalunya 2026) Exam

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