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MCQOPTIONS
This section includes 47 Mcqs, each offering curated multiple-choice questions to sharpen your Oceanography (Geography) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The concept of sea floor spreading was first propounded by |
| A. | F.B. Taylor |
| B. | Harry Hess |
| C. | Lowthian Green |
| D. | A. Holmes |
| Answer» C. Lowthian Green | |
| 2. |
Among oceanic trenches the deepest trench is |
| A. | Kurile trench |
| B. | Japan trench |
| C. | Mariana trench |
| D. | Tonga trench |
| Answer» D. Tonga trench | |
| 3. |
The largest reserves of fresh water on the Earth's surface in |
| A. | North America |
| B. | South America |
| C. | Russia |
| D. | Africa |
| Answer» B. South America | |
| 4. |
A nautical mile is equal to |
| A. | 5060 feet |
| B. | 5280 feet |
| C. | 6060 feet |
| D. | 6080 feet |
| Answer» C. 6060 feet | |
| 5. |
which of the following is correct sequence of increasing depth |
| A. | Continental shelf, Continental slope, Deep sea plains, Ocean depths |
| B. | Continental slope, Continental shelf, Deep sea plains, Ocean depths |
| C. | Continental shelf, Continental slope, Ocean depths, Deep sea plains |
| D. | Continental slope, Continental shelf, Ocean depths, Deep sea plains |
| Answer» D. Continental slope, Continental shelf, Ocean depths, Deep sea plains | |
| 6. |
Which of the following oceans does not have a north south submarine ridge ? |
| A. | Indian ocean |
| B. | Atlantic ocean |
| C. | Arctic ocean |
| D. | Pacific ocean |
| Answer» E. | |
| 7. |
The ocean relief is generally |
| A. | more diverse than that of the continents |
| B. | more uniform than that of the continents |
| C. | showing minor variations only |
| D. | not much of a significance |
| Answer» C. showing minor variations only | |
| 8. |
The challenger rise is located in |
| A. | The pacific ocean |
| B. | The Indian ocean |
| C. | The Atlantic ocean |
| D. | The Arctic ocean |
| Answer» D. The Arctic ocean | |
| 9. |
Water bodies which have low concentration of nutrients are in |
| A. | littoral zones |
| B. | oligotrophic areas |
| C. | neritic province |
| D. | benthos zone |
| Answer» C. neritic province | |
| 10. |
Oceanic waves caused by an earthquake are known as |
| A. | S- waves |
| B. | L-waves |
| C. | P-waves |
| D. | Tsunamis |
| Answer» E. | |
| 11. |
The coastline formed by the submergence of mountain ridges running parallel to the coast is known as |
| A. | Dalmation coast |
| B. | Ria coast |
| C. | Fiord coast |
| D. | Haff coast |
| Answer» B. Ria coast | |
| 12. |
Which is the smallest among the following water bodies ? |
| A. | Arctic Sea |
| B. | Hudson sea |
| C. | Japan sea |
| D. | OKhotsk sea |
| Answer» D. OKhotsk sea | |
| 13. |
A submarine mountain rising more than 1000 meters above the ocean floor is known as |
| A. | sea mount |
| B. | abyssal hill |
| C. | guyots |
| D. | submarine ridge |
| Answer» B. abyssal hill | |
| 14. |
An Atoll is |
| A. | a ring shaped island with a lagoon at the centre |
| B. | A lake in glaciated mountains |
| C. | a lagoon along the shores |
| D. | a lake in the craters |
| Answer» B. A lake in glaciated mountains | |
| 15. |
Which one of the following sequences correctly indicates the increasing order of the distance from the coast ? |
| A. | Abyssal plain - continental shelf - continental slop - continental rise |
| B. | Continental shelf - continental slope - continental rise - abyssal plain |
| C. | Continental slope - continental shelf - abyssal plain - continental rise |
| D. | Continental shelf - continental slope - abyssal plain - continental rise |
| Answer» C. Continental slope - continental shelf - abyssal plain - continental rise | |
| 16. |
The ' Water table ' refers to |
| A. | The lower limit of the zone of saturation |
| B. | The upper limit of the zone of saturation |
| C. | The contact zone of permeable and impermeable rocks |
| D. | Seepage of water into fissures lying below the earth's surface |
| Answer» C. The contact zone of permeable and impermeable rocks | |
| 17. |
The portion of the earth's surface covered with water is roughly |
| A. | One-fourth |
| B. | One-half |
| C. | Two-third |
| D. | Three-fifth |
| Answer» D. Three-fifth | |
| 18. |
Which of the following is a continental shelf sea |
| A. | North Sea |
| B. | Arabian Sea |
| C. | Red sea |
| D. | Mediterranean sea |
| Answer» D. Mediterranean sea | |
| 19. |
Following relief zones are the characteristics of ocean basins1. Continental slopes2. Cntinental shelf3. Deep sea plain4. Oceanic trenchThe Correct sequence of their seaward appearance from the coast is |
| A. | 2,1,4,3 |
| B. | 1,2,4,3 |
| C. | 2,1,3,4 |
| D. | 1,2,3,4 |
| Answer» D. 1,2,3,4 | |
| 20. |
'Water table ' refers to |
| A. | The lower limit of the zone of saturation |
| B. | The upper limit of the zone of saturation |
| C. | Seepage of water into fissures lying underground |
| D. | The contact zone of the permeable and impermeable rocks |
| Answer» C. Seepage of water into fissures lying underground | |
| 21. |
Consider the following1. The Dead Sea.2. The Red Sea.3. Midland Plain of Scotland.Which of the above is / are Rift Valleys ? |
| A. | 1 only |
| B. | 1 and 2 only |
| C. | 2 and 3 only |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 22. |
Match List - I (Landform types) with List - II (Location) and select the correct the correct answer using the code given below the listsList - IList - IIF. Mariana trench1.Indian OceanG. Sunda trench2.West-Pacific OceanH. Pureto Rico trench3.Arabian SeaJ. Carlsberg ridge4.Atlantic OceanCode : FGHJA.2143B.2314C.4123D.3142 |
| A. | A. |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 23. |
Consider the following statementsThe horizontal distribution of temperature of ocean water is largely affected by1. Depth of water in the ocean.2. Ocean currents.3. Prevailing winds.4. Latitude.Which of these are correct ? |
| A. | 1, 2 and 3 |
| B. | 2, 3 and 4 |
| C. | 1, 2 and 4 |
| D. | 1, 3 and 4 |
| Answer» C. 1, 2 and 4 | |
| 24. |
Following relief zones are characteristics of ocean basins1. Continental slope2. Continental shelf3. Deep sea plain4. Oceanic trenchThe correct sequence of their seaward appearance from the codes is |
| A. | 2,1,4,3 |
| B. | 1,2,4,3 |
| C. | 2,1,3,4 |
| D. | 1,2,3,4 |
| Answer» D. 1,2,3,4 | |
| 25. |
Assertion (A) : Tropical seas in India are rich in fish species but there are few important fishing ground around the country.Reason (R) : The quantity of fish of a particular species in lacking and hence not commercially exploitable.Code |
| A. | Both (A) and (R) are true and (R) is the correct explanation of (A) |
| B. | Both (A) and (R) are true but (R) is not the correct explanation of (A) |
| C. | (A) is true but (R) is false |
| D. | (A) is false but (R) is true |
| Answer» D. (A) is false but (R) is true | |
| 26. |
Which of the following factors support the hypothesis of the permanency of ocean basin and continents ?1. The cross-section of the ocean basin, comprising the broad abyssal through flanked by rim like continental shelves.2. Occurrence of shallow-water sands and muds limited to the continental shelf and slope, while that of pellagic oozed being limited to the abyssal plain.3. Absence of normal sedimentary rocks on the oceanic islands.Select the correct answer using Codes given below Code |
| A. | 2 and 3 |
| B. | 1 and 3 |
| C. | 1 and 2 |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 27. |
Assertion (A) : A composite profile includes only the lowest parts of a series of parallel profiles.Reason (R) : A composite profile is constructed to represent the overall relief of an are a as viewed from a distance.Code |
| A. | Both (A) and (R) are individually true and (R) is the correct explanation of (A) |
| B. | Both (A) and (R) are individually true but (R) is not the correct explanation of (A) |
| C. | (A) is true but (R) is false |
| D. | (A) is false but (R) is true |
| Answer» E. | |
| 28. |
Match List - I (Ridges) with List - II (Oceans) and select the code given below the listsList - IList - IIF. Mendelevav1.North Atlantic OceanG. Kerguelen2.South Atlantic OceanH. San Felix-Juan3.Arctic OceanJ. Walvis4.Indian Ocean5. South Pacific OceanCode : FGHJA.5412B.3254C.5214D.3452 |
| A. | A. |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» E. | |
| 29. |
Assertion (A) : In the deep ocean, primary production occurs near hydrothermal vents.Reason (R) : Over there, microbes produce food through chemosynthesis which forms the basis for a food-chain.Code |
| A. | Both (A) and (R) are individually true and (R) is the correct explanation of (A) |
| B. | Both (A) and (R) are individually true but (R) is not the correct explanation of (A) |
| C. | (A) is true but (R) is false |
| D. | (A) is false but (R) is true |
| Answer» C. (A) is true but (R) is false | |
| 30. |
The deepest oceanic trench Mariana is located in |
| A. | Atlantic Ocean |
| B. | Arctic Ocean |
| C. | Pacific Ocean |
| D. | Indian Ocean |
| Answer» D. Indian Ocean | |
| 31. |
Oceanic waves |
| A. | S- waves |
| B. | L-waves |
| C. | P-waves |
| D. | Tsunamis |
| Answer» E. | |
| 32. |
Among |
| A. | Kurile trench |
| B. | Japan trench |
| C. | Mariana trench |
| D. | Tonga trench |
| Answer» D. Tonga trench | |
| 33. |
Match List - I (Ridges) with List - II (Oceans) and select the code given below the lists |
| A. | A. |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» E. | |
| 34. |
Which one of the following sequences correctly represents the percentage of given salts in sea water in decreasing order ? |
| A. | Magnesium chloride - Sodium chloride - Magnesium sulphate - Calcium Sulphate |
| B. | Magnesium sulphate - Magnesium chloride - Cancium sulphate - Socium chloride |
| C. | Sodium chloride - Magnesium chloride - Magnesium culphate - Calcium sulphate |
| D. | Sodium chloride - Magnesium sulphate Magnesium chloride - Calcium sulphate |
| Answer» D. Sodium chloride - Magnesium sulphate Magnesium chloride - Calcium sulphate | |
| 35. |
Match List - I (Landform types) with List - II (Location) and select the correct the correct answer using the code given below the lists |
| A. | A. |
| B. | B. |
| C. | C. |
| D. | D. |
| Answer» B. B. | |
| 36. |
Following relief zones are characteristics of ocean basins |
| A. | 2,1,4,3 |
| B. | 1,2,4,3 |
| C. | 2,1,3,4 |
| D. | 1,2,3,4 |
| Answer» D. 1,2,3,4 | |
| 37. |
Which of the following factors support the hypothesis of the permanency of ocean basin and continents ? |
| A. | 2 and 3 |
| B. | 1 and 3 |
| C. | 1 and 2 |
| D. | 1, 2 and 3 |
| Answer» E. | |
| 38. |
'Water table ' |
| A. | The lower limit of the zone of saturation |
| B. | The upper limit of the zone of saturation |
| C. | Seepage of water into fissures lying underground |
| D. | The contact zone of the permeable and impermeable rocks |
| Answer» C. Seepage of water into fissures lying underground | |
| 39. |
Where the lower end of the through is drowned by the sea it forms a deep steep side inlet called |
| A. | Barkhan |
| B. | U - shaped valley |
| C. | Ground water |
| D. | Fiord |
| Answer» E. | |
| 40. |
Rocks on the coast have many cracks they become wider and wider with the impact of the waves, creating |
| A. | Seacliff |
| B. | Seacane |
| C. | Lagoon |
| D. | Island |
| Answer» C. Lagoon | |
| 41. |
Water bodies which have |
| A. | littoral zones |
| B. | oligotrophic areas |
| C. | neritic province |
| D. | benthos zone |
| Answer» C. neritic province | |
| 42. |
which of the following is correct sequence of |
| A. | Continental shelf, Continental slope, Deep sea plains, Ocean depths |
| B. | Continental slope, Continental shelf, Deep sea plains, Ocean depths |
| C. | Continental shelf, Continental slope, Ocean depths, Deep sea plains |
| D. | Continental slope, Continental shelf, Ocean depths, Deep sea plains |
| Answer» D. Continental slope, Continental shelf, Ocean depths, Deep sea plains | |
| 43. |
Which one of the following sequences of ocean trenches is correct in terms of the ascending order of their depths ? |
| A. | Aleutian Trench - Mindanao Trench - New Herbides Trench |
| B. | New Herbides Trench - Mindanao Trench - Aleutian Trench |
| C. | Aleutian Trench - New Herbides Trench - Mindanao Trench |
| D. | New Herbides Trench - Aleutian Trench - Mindanao Trench |
| Answer» D. New Herbides Trench - Aleutian Trench - Mindanao Trench | |
| 44. |
Which one of the following combination is responsible for higher salinity in ocean water ? |
| A. | High evaporation, high temperature and high rainfall |
| B. | High evaporation, high temperature and low rainfall |
| C. | Low evaporation, Low temperature and high rainfall |
| D. | Low evaporation, high temperature and low rainfall |
| Answer» C. Low evaporation, Low temperature and high rainfall | |
| 45. |
When the snow from the mountain peaks slides it gets deposited in a hallow if there is one or any side of the peak |
| A. | Eskers |
| B. | Ice berg |
| C. | Moraine |
| D. | Cirque |
| Answer» E. | |
| 46. |
Following relief zones are the characteristics of ocean basins |
| A. | 2,1,4,3 |
| B. | 1,2,4,3 |
| C. | 2,1,3,4 |
| D. | 1,2,3,4 |
| Answer» D. 1,2,3,4 | |
| 47. |
Which one of the following sequences correctly indicates the |
| A. | Abyssal plain - continental shelf - continental slop - continental rise |
| B. | Continental shelf - continental slope - continental rise - abyssal plain |
| C. | Continental slope - continental shelf - abyssal plain - continental rise |
| D. | Continental shelf - continental slope - abyssal plain - continental rise |
| Answer» C. Continental slope - continental shelf - abyssal plain - continental rise | |