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CET 12th Level — Earthquakes & Volcanoes MCQs

Practice 20 free earthquakes & volcanoes multiple choice questions for CET 12th Level exam. Instant answers with explanations in Hindi and English.

Master Earthquakes & Volcanoes under World Geography for CET 12th Level with our curated MCQ set. Every question follows real Rajasthan exam patterns. Switch between Hindi and English anytime.

CET 12th Level — World Geography — Earthquakes & Volcanoes

20 Questions • Instant results & explanations • Hindi & English

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Question 1 of 20

Consider the following geological statements: 1. Magma is molten rock located deep underground that retains its dissolved gases under high pressure. 2. Extrusive igneous rocks are formed by magma that cools very slowly deep within the Earth's crust. Which of the statements given above is/are correct?

Question 2 of 20

Vertical or steeply-inclined wall-like igneous intrusive structures that clearly cut across existing layers of older sedimentary rocks are known as:

Question 3 of 20

Which of the following statements uniquely identifies the difference between the measurement methodologies of the Richter and Mercalli scales?

Question 4 of 20

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

Question 5 of 20

Mid-ocean ridges are recognized as the primary geological sites for which type of tectonic boundary?

Question 6 of 20

Match List-I (Variable in Seismic formula) with List-II (Physical Meaning) and select the correct answer: List-I 1. K 2. μ 3. ρ List-II a. Density b. Bulk modulus c. Shear modulus

Question 7 of 20

Which of the following seismic waves is recognized as the fastest, traveling at approximately 8 km/s in the Earth's crust?

Question 8 of 20

Within the context of Endogenic forces, the actual physical 'snap' or rupture that creates an earthquake occurs when the accumulated stress exceeds:

Question 9 of 20

A seismologist evaluates the potential for Anthropogenic earthquakes in a newly industrialized zone. Which specific factor should they monitor as a primary cause?

Question 10 of 20

Match List I (Geographical Region) with List II (Dominant Tectonic Setting) and select the correct answer: List I: a. Ring of Fire b. Mid-Atlantic Ridge c. Hawaiian Islands List II: 1. Mantle Hotspot 2. Divergent Boundary 3. Subduction Zone

Question 11 of 20

Assertion (A): The S-wave shadow zone is significantly more expansive than the P-wave shadow zone. Reason (R): S-waves are utterly blocked by the liquid outer core, whereas P-waves are merely refracted by it. Select the correct option from the following:

Question 12 of 20

Assertion (A): A distinct P-wave shadow zone exists between 103° and 142° from an earthquake's epicenter. Reason (R): P-waves cannot propagate through the liquid state of the Earth's outer core. Select the correct option from the following:

Question 13 of 20

Which type of seismic wave operates on the same physical principles as sound waves, traveling via push-pull compressions?

Question 14 of 20

Earthquakes and volcanic eruptions are dynamic geological processes primarily classified as manifestations of:

Question 15 of 20

At a microscopic structural level, what precise mechanical failure occurs in saturated, loose soil during a severe earthquake to trigger 'Liquefaction'?

Question 16 of 20

When assessing the primary versus secondary impacts of a major seismic event, which of the following is an accurate categorization?

Question 17 of 20

The "Old Faithful" in Yellowstone National Park is a prominent example of which of the following natural phenomena?

Question 18 of 20

Which of the following is the defining reason why Secondary waves (S-waves) are fundamentally incapable of passing through liquids or gases?

Question 19 of 20

During an earthquake, what is the geometric nature of the propagation of seismic energy from the focus?

Question 20 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.

More World Geography Subtopics

Practice other subtopics under World Geography to strengthen your CET 12th Level preparation.