📘 Geography Optional – Objective Paper I (Prelims)
Page–3 : Oceanography (PYQs with Answers)
Q1. The average salinity of ocean water is approximately:
A) 30‰
B) 32‰
C) 35‰
D) 38‰
✅ Answer: C) 35‰
Q2. Which ocean has the highest average salinity?
A) Pacific Ocean
B) Atlantic Ocean
C) Indian Ocean
D) Southern Ocean
✅ Answer: B) Atlantic Ocean
Q3. Salinity of ocean water is lowest near:
A) Tropics
B) Subtropics
C) River mouths
D) Deserts
✅ Answer: C) River mouths
Q4. The deepest part of the ocean is:
A) Puerto Rico Trench
B) Java Trench
C) Mariana Trench
D) Tonga Trench
✅ Answer: C) Mariana Trench
Q5. Continental shelf is most extensive along:
A) Eastern coast of South America
B) Western coast of South America
C) Eastern coast of North America
D) Western coast of Africa
✅ Answer: C) Eastern coast of North America
Q6. Which current is a cold current?
A) Gulf Stream
B) Kuroshio Current
C) Brazil Current
D) Humboldt (Peru) Current
✅ Answer: D) Humboldt (Peru) Current
Q7. El Niño is associated with:
A) Cooling of eastern Pacific Ocean
B) Warming of eastern Pacific Ocean
C) Weak trade winds in Atlantic
D) Strong monsoon in India
✅ Answer: B) Warming of eastern Pacific Ocean
Q8. The movement of deep cold water towards the surface is known as:
A) Downwelling
B) Thermohaline circulation
C) Upwelling
D) Tidal current
✅ Answer: C) Upwelling
Q9. Which ocean current warms Western Europe?
A) Canary Current
B) Labrador Current
C) Gulf Stream / North Atlantic Drift
D) Oyashio Current
✅ Answer: C) Gulf Stream / North Atlantic Drift
Q10. Tsunamis are primarily caused by:
A) Volcanic eruptions on land
B) Cyclonic storms
C) Submarine earthquakes
D) Ocean tides
✅ Answer: C) Submarine earthquakes
✅ End of Objective Paper–I | Page–3
Oceanography Core Concepts Covered
A comprehensive UPSC & UPPSC resource covering
Objective (Prelims) • Analytical (Mains) • Interview Perspective
🔗 Open Full Geography PYQs Library
📚 Shaktimatha Learning Network
🗺️ Geography Optional – Complete Master Library
📘 UPSC & UPPSC – Complete Study Material
🎓 Learning Resource Hub | 📰 Daily Current Affairs | 💬 WhatsApp Channel
🌱 Shaktimatha Learning – Learn • Reflect • Grow
UPSC • UPPSC • Geography Optional • PYQs • Answer Writing
Concept clarity with exam-orientation
.png)
No comments:
Post a Comment