SSC CGL Geography – Landforms – Mountains, Plateaus, Plains, Volcanoes & Earthquakes – Tier II Level · Marathon

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SSC CGL Geography – Landforms – Mountains, Plateaus, Plains, Volcanoes & Earthquakes – Tier II Level · Marathon – 10 questions, subject: Geography – India & World. Every question has the correct answer with a one-line explanation; tap "Show Answer". Free practice for TNPSC, UPSC, SSC, Bank and RRB exams – Shanmugam IAS Academy, Coimbatore.

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1.  
An earthquake released about 32 times the energy of one of magnitude 6.3. Its magnitude was about:

Correct Answer: B [7.3]

Explanation:

≈ 32 × energy = 1 step → 6.3 + 1 = 7.3.

2.  
Two earthquakes differ by 3 on the Richter scale. Their wave amplitudes differ by a factor of:

Correct Answer: C [1,000]

Explanation:

10³ = 1,000.

3.  
A difference of 1 in Richter magnitude corresponds to an energy ratio of about:

Correct Answer: B [32]

Explanation:

10^1.5 ≈ 31.6.

4.  
Which of these is a minor plate?

Correct Answer: D [Nazca plate]

Explanation:

Minor plates include Cocos, Nazca, Arabian, Philippine, Caroline, Fuji.

5.  
Two-quantity comparison
Quantity I: energy ratio for a magnitude difference of 2
Quantity II: amplitude ratio for a magnitude difference of 3

Correct Answer: C [Quantity I = Quantity II]

Explanation:

10^(1.5 × 2) = 10³ = 1,000 and 10³ = 1,000.

6.  
Chronological orderArrange chronologically: Indian Ocean tsunami, Latur earthquake, Bhuj earthquake

Correct Answer: A [Latur earthquake, Bhuj earthquake, Indian Ocean tsunami]

Explanation:

1993 → 2001 → 2004.

7.  
The largest active volcano on Earth is:

Correct Answer: C [Mauna Loa (Hawaii)]

Explanation:

Mauna Loa, a huge shield volcano over the Hawaii hot spot.

8.  
A fjord is a:

Correct Answer: D [glacial valley drowned by the sea]

Explanation:

Common along the coast of Norway.

9.  
Match the followingMatch the agent with a landform it deposits:
P. River Q. Glacier R. Wind S. Sea waves
1. spit 2. loess 3. esker 4. levee

Correct Answer: C [P-4, Q-3, R-2, S-1]

Explanation:

Levee (river), esker (glacier), loess (wind), spit (waves).

10.  
Which of these is a form of mass movement (mass wasting)?

Correct Answer: B [Soil creep]

Explanation:

Mass movement = downslope movement under gravity; deflation/abrasion are wind actions, carbonation is chemical weathering.

➤ Full notes, shortcuts and every answer explained – SSC CGL 2026 Geography – India & World book (₹149): www.shanmugamiasacademy.in/study-materials/ssc-cgl-geography-india-world

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