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UPSC 2015: What explains the eastward flow of the equatorial counter-current?
(a)The Earth’s rotation on its axis
(b)Convergence of the two equatorial currents
(c)Difference in salinity of water
(d)Occurrence of the belt of calm near the equator
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Not attemptedCorrect Answer: (b) Convergence of the two equatorial currents
Strong trade winds drive the westward-moving North and South Equatorial Currents that converge and pile up warm water in the western ocean basins; this accumulated water flows back eastward along the line of convergence as the Equatorial Counter-Current. The other options (Earth’s rotation, salinity difference, or calm belt) do not generate the persistent eastward flow. ([britannica.com](https://www.britannica.com/science/equatorial-countercurrent?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2015 Geography question?▼
The correct answer is option (b): Convergence of the two equatorial currents. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Oceanography question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2015, GS Paper 1, as Question 14. It falls under Geography > Oceanography.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Oceanography?▼
UPSC has asked 21 questions from Oceanography (under Geography) across multiple years. Visit the topic page to see the full list and year-wise trends.