UPSC Prelims MCQs – Special Topic
Ocean Currents • Monsoon • Climate Zones
Shaktimatha Learning
1. Consider the following statements:
1. Warm ocean currents generally increase humidity along coastal regions.
2. Cold ocean currents are associated with high biological productivity.
3. Warm currents are mainly responsible for upwelling.
A) 1 and 2 only
B) 2 and 3 only
C) 1 only
D) 1, 2 and 3
Answer: A) 1 and 2 only
2. Which of the following pairs is correctly matched?
A) Humboldt Current – Warm
B) Canary Current – Cold
C) Kuroshio Current – Cold
D) Gulf Stream – Cold
Answer: B) Canary Current – Cold
3. Upwelling is most likely to occur in:
A) Regions of warm currents
B) Coastal regions with offshore winds
C) Areas with high salinity only
D) Equatorial calm zones
Answer: B) Coastal regions with offshore winds
4. Consider the following statements about Indian Monsoon:
1. ITCZ shifts northward during summer.
2. Tibetan Plateau acts as a heat source.
3. Jet streams have no role in monsoon formation.
A) 1 and 2 only
B) 2 and 3 only
C) 1 only
D) 1, 2 and 3
Answer: A) 1 and 2 only
5. El Niño is associated with:
A) Cooling of Pacific Ocean
B) Weakening of Indian monsoon
C) Stronger trade winds
D) Increase in upwelling
Answer: B) Weakening of Indian monsoon
6. Which of the following factors determine climate zones?
1. Latitude
2. Altitude
3. Ocean currents
A) 1 only
B) 1 and 2 only
C) 2 and 3 only
D) 1, 2 and 3
Answer: D) 1, 2 and 3
7. Which region is most likely to experience desert conditions due to cold currents?
A) Western coasts of continents
B) Eastern coasts of continents
C) Equatorial regions
D) Polar regions
Answer: A) Western coasts of continents
8. Which of the following currents is correctly matched with its ocean?
A) Labrador – Pacific Ocean
B) Benguela – Atlantic Ocean
C) Kuroshio – Atlantic Ocean
D) Humboldt – Indian Ocean
Answer: B) Benguela – Atlantic Ocean
9. Consider the following statements:
1. Monsoon is a seasonal reversal of winds.
2. It occurs only in India.
3. It is influenced by land-sea temperature differences.
A) 1 and 3 only
B) 1 only
C) 2 and 3 only
D) 1, 2 and 3
Answer: A) 1 and 3 only
10. Which of the following best explains high fish production zones?
A) Warm currents only
B) Cold currents only
C) Mixing of warm and cold currents
D) Regions of high evaporation
Answer: C) Mixing of warm and cold currents
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