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Rajasthan SI — Earthquakes & Volcanoes MCQs

Practice 20 free earthquakes & volcanoes multiple choice questions for Rajasthan SI exam. Instant answers with explanations in Hindi and English.

Master Earthquakes & Volcanoes under World Geography for Rajasthan SI with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

Rajasthan SI — World Geography — Earthquakes & Volcanoes

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Assertion (A): Igneous rocks formed from erupted lava do not possess large, visible crystals. Reason (R): Lava released onto the Earth's surface undergoes very fast cooling, which prevents the formation of large crystalline structures.

Question 2 of 20

Which of the following locations is definitively included in the Mid-Continental (Alpide) seismic belt?

Question 3 of 20

Assertion (A): Intrusive plutonic landforms such as batholiths and laccoliths are not immediately visible on the Earth's surface at the time of their formation. Reason (R): They form when magma cools and solidifies deep inside the Earth's crust, requiring millions of years of erosion to remove the overlying rock layers.

Question 4 of 20

Consider the following statements regarding the geological generation of magma: 1. Magma exists universally as a massive, permanent liquid ocean immediately below the Earth's rigid crust. 2. In certain subduction zones, magma forms because water acts as a volatile that drastically lowers the melting point of mantle rock. Which of the statements given above is/are correct?

Question 5 of 20

Which of the following describes the particle motion of Primary waves (P-waves) as they travel through a medium?

Question 6 of 20

What defines a volcano's crater?

Question 7 of 20

Which fundamental kinematic characteristic defines the movement of particles in Secondary (S) seismic waves?

Question 8 of 20

In the context of geographical mechanics and volcanic eruptions, how do Flood Basalt Provinces primarily differ in their formation from Composite Volcanoes?

Question 9 of 20

According to the Elastic Rebound Theory, rocks along a fault line accumulate strain energy due to tectonic forces. This accumulation of energy is mechanically analogous to:

Question 10 of 20

Which of the following statements about the Richter Scale is factually incorrect?

Question 11 of 20

Assertion (A): P-waves are always recorded first by seismograph stations worldwide. Reason (R): They travel in a transverse motion that is immune to fluid resistance. Select the correct option from the following:

Question 12 of 20

Which of the following accurately explains why Divergent Plate Boundaries frequently experience earthquakes of generally smaller magnitudes with shallow foci?

Question 13 of 20

If a modern, massive hydroelectric dam project induces localized earthquakes in a historically seismically quiet zone, what specific term defines this phenomenon?

Question 14 of 20

Match List-I (Seismic Wave Type) with List-II (Medium of Propagation) correctly: List-I 1. P-Waves 2. S-Waves 3. L-Waves List-II A. Solid only B. Surface rocks C. Solid, Liquid, and Gas Choose the correct option:

Question 15 of 20

Assertion (A): Earthquakes occurring along the Mid-Atlantic Ridge are generally characterized by shallow focus and low magnitude. Reason (R): The Mid-Atlantic Ridge is formed by convergent boundaries where oceanic plates subduct into deep trenches.

Question 16 of 20

The weathering of basaltic volcanic rocks produces extremely fertile soils, such as the Regur Soil in India. This soil is particularly rich in which of the following combinations of elements?

Question 17 of 20

Which of the following statements best describes the global state of magma beneath the Earth's rigid crust?

Question 18 of 20

Which of the following statements explains why Surface Waves possess the highest amplitude and are the most destructive despite being the slowest?

Question 19 of 20

What is the primary mechanism behind Reservoir-Induced Seismicity (RIS)?

Question 20 of 20

Which of the following describes the zone located between 103° and 142° from an earthquake epicenter?

More World Geography Subtopics

Practice other subtopics under World Geography to strengthen your Rajasthan SI preparation.