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UPSC Prelims 2015 · World Geography · Oceans, Seas and Straits
The most important fishing grounds of the world are found in the regions where
- (a) Warm and cold atmospheric currents meet
- (b) Rivers drain out large amounts of freshwater into the sea
- (c) Warm and cold oceanic currents meet
- (d) Continental shelf is undulating
Show the answer and explanation
Answer: (c) Warm and cold oceanic currents meet
Where warm and cold ocean currents mix, nutrients rise and plankton flourish — rich fishing (Grand Banks, Japan).
Why the others are wrong
(a) Atmospheric currents don’t create fishing grounds.
(b) River mouths help, but not the main reason.
The trap
(a) swaps “oceanic” for “atmospheric”.
🔒 Grand Banks, Dogger Bank, off Japan, off Peru (upwelling).
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