2013
Q. 54
Set A
Geography
Oceanography
The most important fishing grounds of the world are found in the regions where
Smart Elimination
Options (a) and (c) are on similar tone, either one of it has to be correct. In the case of fishing, meeting of ocean currents is needed than atmospheric currents. Thus option (c) is correct.
Another Logic: Fish need food. When warm water and cold water meet, the water mixes up, which brings up nutrients/food. Where there is food, there are fish.
Potential Trap
Confusing 'atmospheric' currents with 'oceanic' currents.
Answer Key & Explanation
Answer: CThe correct answer is Option C.
Explanation:
- The most important fishing grounds of the world are located in regions where warm and cold oceanic currents meet.
- Reason: The mixing of currents brings nutrients (like nitrates/phosphates) to the surface. This promotes the growth of plankton (fish food). Also, the cool waters are preferred by many fish species.
- Examples:
- Newfoundland: Meeting of Gulf Stream (Warm) and Labrador Current (Cold).
- Japan Coast: Meeting of Kuroshio (Warm) and Oyashio (Cold).
Value Addition
- Continental Shelves: Shallow banks (like Dogger Bank) are also good fishing grounds due to sunlight penetration.
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Questions
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Difficulty Assessment
easy
Foundational question based on core concepts.