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Major Oceans, Ocean Bottom Relief, Ocean Deposits GK Questions and Answers | Oceanography MCQs

1. The average depth of the continental slope ranges between:
  1. 10 – 100 m
  2. 1 – 10 m
  3. 200 – 3000 m
  4. More than one of the above

Answer: 200 – 3000 m

2. A very fine textured pelagic deposits
  1. OOZE
  2. Aquatic
  3. Molluses
  4. None of these

Answer: OOZE

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3. In which ocean is the Albatross Plateau located?
  1. Indian Ocean
  2. Atlantic Ocean
  3. Pacific Ocean
  4. Southern Ocean

Answer: Pacific Ocean

4. Radiolarian oozes occur in the depths of
  1. 600 to 1200 fathoms
  2. 1500 to 2000 fathoms
  3. 2000 to 5000 fathoms
  4. 5000 to 6000 fathoms

Answer: 2000 to 5000 fathoms

5. The Sirena Deep is located in which among the following oceans?
  1. Indian Ocean
  2. Pacific Ocean
  3. Atlantic Ocean
  4. Southern Ocean

Answer: Pacific Ocean

6. The Challenger Deep is located in which among the following oceans?
  1. Pacific Ocean
  2. Atlantic Ocean
  3. Indian Ocean
  4. Southern Ocean

Answer: Pacific Ocean

7. Pelagic deposits consist of
  1. Terrigenous materials
  2. Cosmic materials
  3. Inorganic materials
  4. Organic materials

Answer: Organic materials

8. In vertical distribution of ocean deposits, which is the correct sequence (from oceanic sea towards bottom) of the following deposits

1. Calcareous oozes
2. Siliceous oozes
3. Terrigenous deposits
4. Red clay
Select the correct answer using the code given below

  1. 1-2-3-4
  2. 3-1-2-4
  3. 3-2-1-4
  4. 4-3-2-1

Answer: 3-1-2-4

9. Where is the Wyville Thomson Ridge located?
  1. Atlantic Ocean
  2. Pacific Ocean
  3. Indian Ocean
  4. Arctic Ocean

Answer: Atlantic Ocean

10. Which among the following major oceans is S-shaped?
  1. Pacific
  2. Atlantic
  3. Indian
  4. Arctic

Answer: Atlantic

11. Who named the Pacific Ocean?
  1. Vasco da Gama
  2. Ferdinand Magellan
  3. Napoleon Bonaparte
  4. Woodrow Wilson

Answer: Ferdinand Magellan

12. In the north of the equator, the Mid-Atlantic Ridge of the Atlantic ocean is known as _______.
  1. Dolphin Rise
  2. Telegraphic Plateau
  3. Challenger Rise She
  4. More than one of the above

Answer: Dolphin Rise

13. Which ocean separates the Old World from the New World?
  1. Pacific
  2. Atlantic
  3. Indian
  4. Arctic

Answer: Arctic

14. In which ocean is ‘Mariana Trench’ located?
  1. Indian Ocean
  2. Pacific Ocean
  3. Atlantic Ocean
  4. Arctic Ocean

Answer: Pacific Ocean

15. Which among the following is not associated with the Pacific Ocean?
  1. Albatross Plateau
  2. Challenger Deep
  3. Challenger Rise
  4. Fiji Basin

Answer: Fiji Basin

16. Which ocean is the most important from an economic point of view?
  1. Atlantic
  2. Pacific
  3. Arctic
  4. Indian

Answer: Atlantic

17. In which ocean are the Dolphin Rise and the Challenger Rise located?
  1. Indian Ocean
  2. Pacific Ocean
  3. Atlantic Ocean
  4. Southern Ocean

Answer: Atlantic Ocean

18. Which of the following connects the continental shelf and the ocean basins?
  1. Deep sea plains
  2. Continental slope
  3. Mid oceanic ridges
  4. More than one of the above

Answer: Continental slope

19. Consider the following statements

1. Hydrogenous deposits are formed very slowly.
2. Phosphorites are found either in the form of nodules or in the form of thin crust.
3. Glauconite is a biogenous sediment.
Which of these are correct

  1. 1 and 2
  2. 2 and 3
  3. 1 and 3
  4. 1, 2 and 3

Answer: 2 and 3

20. What is the maximum depth of Atlantic Ocean?
  1. 9,784 metres
  2. 6,734 metres
  3. 8,605 metres
  4. More than one of the above

Answer: 8,605 metres

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