1. Who named the Pacific Ocean?
- Vasco da Gama
- Ferdinand Magellan
- Napoleon Bonaparte
- Woodrow Wilson
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Answer: Ferdinand Magellan
Explorer Ferdinand Magellan named the Pacific Ocean in the 16th Century, calling it Mar Pacifico, meaning “peaceful sea” in Portuguese and Spanish.
2. The Sirena Deep is located in which among the following oceans?
- Indian Ocean
- Pacific Ocean
- Atlantic Ocean
- Southern Ocean
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Answer: Pacific Ocean
The Sirena Deep, the third deepest point on Earth, is located along the Mariana Trench in the Pacific Ocean, with a depth of 10,714 meters.
3. Which among the following is not associated with the Pacific Ocean?
- Albatross Plateau
- Challenger Deep
- Challenger Rise
- Fiji Basin
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Answer: Fiji Basin
The Fiji Basin is not associated with the Pacific Ocean. The other options are geographical features found in the Pacific Ocean.
4. In which ocean is the Albatross Plateau located?
- Indian Ocean
- Atlantic Ocean
- Pacific Ocean
- Southern Ocean
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Answer: Pacific Ocean
The Albatross Plateau, known as the East Pacific Rise or Ridge, is located in the eastern part of the Pacific Ocean, extending from north of New Zealand to the Californian coast. It is a plateau-shaped rise on the ocean floor.
5. The Challenger Deep is located in which among the following oceans?
- Pacific Ocean
- Atlantic Ocean
- Indian Ocean
- Southern Ocean
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Answer: Pacific Ocean
The Challenger Deep, the deepest point in the world, is located in the Pacific Ocean, specifically in the Mariana Trench.
6. Where is the Wyville Thomson Ridge located?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Arctic Ocean
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Answer: Atlantic Ocean
The Wyville Thomson Ridge is a bathymetric feature of the North Atlantic Ocean floor ca. 200 km in length, located between the Faroe Islands and Scotland. The ridge separates the Faroe–Shetland Channel to the north from the Rockall Trough to the south.
7. In which ocean are the Dolphin Rise and the Challenger Rise located?
- Indian Ocean
- Pacific Ocean
- Atlantic Ocean
- Southern Ocean
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Answer: Atlantic Ocean
The Dolphin Rise and the Challenger Rise are bathymetric features located in the Atlantic Ocean floor, specifically between the Faroe Islands and Scotland.
8. Which among the following major oceans is S-shaped?
- Pacific
- Atlantic
- Indian
- Arctic
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Answer: Atlantic
The Atlantic Ocean occupies an elongated, S-shaped basin extending longitudinally between Europe and Africa to the east, and the Americas to the west.
9. Which ocean separates the Old World from the New World?
- Pacific
- Atlantic
- Indian
- Arctic
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Answer: Atlantic
The Atlantic Ocean separates the “Old World” (Europe, Africa, and Asia) from the “New World” (North and South America).
10. Which ocean is the most important from an economic point of view?
- Atlantic
- Pacific
- Arctic
- Indian
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Answer: Atlantic
An air mass is a large body of air that exhibits uniform characteristics, such as temperature and humidity, over a horizontal extent. It behaves as a single unit due to its homogeneity.
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