📘 Geography Optional – Objective Paper I (Prelims)
Page–1 : Geomorphology (PYQs with Answers)
Q1. Which one of the following processes is responsible for the formation of a peneplain?
A) Volcanism
B) Glaciation
C) Fluvial erosion
D) Aeolian deposition
✅ Answer: C) Fluvial erosion
🔍 Concept: Peneplain is formed by long-term river erosion.
Q2. The concept of ‘Cycle of Erosion’ was proposed by:
A) Penck
B) Davis
C) King
D) Gilbert
✅ Answer: B) Davis
🔍 Trap: Penck focused on slope development, not cyclic erosion.
Q3. Inselbergs are most commonly associated with:
A) Humid climates
B) Glacial regions
C) Arid and semi-arid regions
D) Coastal plains
✅ Answer: C) Arid and semi-arid regions
Q4. Which geomorphic process dominates in limestone regions?
A) Mechanical weathering
B) Chemical weathering
C) Glacial erosion
D) Volcanic activity
✅ Answer: B) Chemical weathering
🔍 Leads to karst landforms.
Q5. What is the correct sequence of river stages?
A) Old → Youth → Mature
B) Youth → Mature → Old
C) Mature → Youth → Old
D) Youth → Old → Mature
✅ Answer: B) Youth → Mature → Old
Q6. Which landform is NOT formed by river erosion?
A) Gorge
B) Waterfall
C) Delta
D) Canyon
✅ Answer: C) Delta
🔍 Delta is a depositional landform.
Q7. Exfoliation is most common in:
A) Polar regions
B) Humid tropics
C) Deserts
D) Coastal plains
✅ Answer: C) Deserts
Q8. Which agent is responsible for formation of drumlins?
A) River
B) Wind
C) Glacier
D) Sea waves
✅ Answer: C) Glacier
Q9. Monadnock refers to:
A) Volcanic cone
B) Residual hill on peneplain
C) Sand dune
D) Glacial valley
✅ Answer: B) Residual hill on peneplain
Q10. Which process dominates slope retreat according to Penck?
A) Parallel retreat
B) Downwearing
C) Headward erosion
D) Vertical incision
✅ Answer: A) Parallel retreat
✅ End of Objective Paper–I | Page–1
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