🟢 Geography Optional – Prelims Level
High-Return Physical Geography (Landforms & Processes)
Page – 7
UPSC / UPPSC | Shaktimatha 369 Learning
Q41. Which of the following landforms is formed due to river deposition?
- A. Gorge
- B. V-shaped valley
- C. Delta
- D. Waterfall
Correct Answer: C. Delta
Explanation:
Deltas are formed at river mouths due to deposition of sediments when river velocity decreases on entering the sea.
Q42. Which one of the following is an example of a residual mountain?
- A. Himalayas
- B. Alps
- C. Aravalli Range
- D. Andes
Correct Answer: C. Aravalli Range
Explanation:
Residual mountains are remnants of old folded mountains. The Aravalli Range is one of the oldest fold mountains in the world.
Q43. Which geomorphic process is responsible for the formation of karst topography?
- A. Volcanism
- B. Glacial erosion
- C. Chemical weathering
- D. Wind deposition
Correct Answer: C. Chemical weathering
Explanation:
Karst landforms like sinkholes and caves are formed due to solution of limestone by acidic groundwater.
Q44. Which of the following is NOT an erosional landform created by glaciers?
- A. Cirque
- B. Arete
- C. Esker
- D. Horn
Correct Answer: C. Esker
Explanation:
Eskers are depositional landforms formed by glacial meltwater, while cirque, arete and horn are erosional features.
Q45. Which of the following landforms is associated with wind erosion?
- A. Yardang
- B. Delta
- C. Flood plain
- D. Ox-bow lake
Correct Answer: A. Yardang
Explanation:
Yardangs are streamlined ridges formed by wind erosion in arid regions.
Q46. Which stage of a river is characterised by dominant lateral erosion?
- A. Youth stage
- B. Mature stage
- C. Old stage
- D. Rejuvenated stage
Correct Answer: B. Mature stage
Explanation:
In the mature stage, lateral erosion dominates, leading to formation of meanders.
Q47. Inselbergs are commonly found in:
- A. Glacial regions
- B. Humid tropical regions
- C. Arid and semi-arid regions
- D. Coastal plains
Correct Answer: C. Arid and semi-arid regions
Explanation:
Inselbergs are isolated residual hills formed by long-term erosion in dry regions.
UPSC Prelims Hack:
If you know the *process*, you can answer any landform question.
End of Prelims Level – Page 7
Shaktimatha 369 Learning
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