14000+ MCQs World Geography (Oceanography)
Total Questions:- 50
Time:- 30 Minutes
MCQ Pattern
Date:- 30/10/2026
1. On the planet Earth, most of the fresh water exists as ice caps and glaciers. Out of the remaining fresh water, the largest proportion
2. The coral reefs are the marine counterparts of
3. The ideal temperature for development of coral reefs is
5. Assertion (A) Ocean water in the Northern hemisphere is warmer than that of the Southern hemisphere. Reasons (R) In comparison to the Northern hemisphere, rivers discharging into the oceans of the Southern hemisphere are more in number.
6. Which one of the following is correctly matched?
7. Which of the following is true regarding oceanic surface temperature?
I. The temperature of ocean’s surface decreased from poles towards equator.
II. The temperature of ocean water varies in Northern and Southern hemisphere.
III. The Isotherms are regular in the Southern hemisphere over oceanic surface.
8. Arrange the following island correctly from West to East.
9. Tsunamis are not caused by
10. Which one of the following statements is not correct?
11. The Gulf Stream is the warm ocean current. It is moving along the East of North America up to 40°N, where it meets with Labrador current, which is cold current. This meeting of warm and cold ocean current is helping for the
12. Which one of the following does the ‘West Wind Drift’ belong to?
13. Consider the following statements.
I. Ocean currents are large mass of surface water that circulate in regular patterns around the oceans.
II. The planetary winds are probably the dominant influence on the flow of ocean currents.
III. The water of high salinity are denser than the water of low salinity.
IV. A landmass always obstructs and diverts an ocean current.
Which of the statements given above is/are correct?
14. Assertion (A) Water in an open pond remains cool even on a hot summery day. Reason (R) Water on heating evaporates and heat energy gets converted into latent heat.
15. Which one among the following is not correct regarding Tsunami?
16. Assertion (A) Despite low evaporation and stable stratification of the atmosphere, salinity is high in Polar Regions. Reason (R) Sea water freezes leaving the remaining water saline than before.
17. Which of the following currents is located near the coastline of Philippines and China?
18. Which one among the following sequences of water bodies, from lower to higher salinity concentration, is correct?
19. Jaffreys Basin, having an average depth of 5000 m is located on
20. The Galapagos ridge is found in
21. In which one of the following oceans the Diamantina Trench situated?
22. Which one of the following factors is responsible for the change in the regular direction of the ocean currents in the Indian Ocean?
23. Highest density of sea water is recorded at
24. Out of the following which combination is incorrect?
25. The largest island of Arctic Ocean is
26. Statement I The Kuroshio is a warm North-flowing ocean current on the Western margin of the North Pacific Ocean. Statement II Presence of a number of volcanoes at the bottom of the sea of Japan is responsible for the Kuroshio current becoming warm.
27. The largest coral reef system is located in
28. Crest and trough form two extreme of sea waves in a vertical plain. Choose correct statements regarding sea waves.
I. Water does not move forward.
II. Water particles within a wave move in circular motion.
III. Sea waves radiate outward from generating area.
IV. Longer wavelength move more rapidly.
29. The average salinity of oceans in the world is
30. The time it takes for the crests (or troughs) of two successive waves to pass a given point is known as the
31. Which of the following is a terrigenous oceanic deposit?
32. Which of the following theory is related to origin of tides?
I. Isostacy theory
II. Dynamic theory of laplace
III. Canal theory of GB Airy
IV. Equilibrium theory of Newton
33. The interval between two high tides is approximately
34. Identify the correct decreasing order of salts in terms of % in sea water.
35. With respect to thermocline, choose the correct statement.
I. It is the Layer in which temperature changes more rapidly than it does in layers above and below.
II. It depends upon season, latitude and turbulent mixing by wind.
III. It may be semi-permanent feature of body of water in which they occur.
36. Which of the following basin lies to the South of Brazilian Basin?
37. Which of the following zone lies just above the Benthic zone?
38. Which one among the following is a cold ocean current?
39. Submarine canyons are formed due to which of the following?
40. Coral reefs are not found in which one of the following regions?
41. The increase in salinity of water
42. Which of the following conditions hinders the development of corals?
43. The average depth of Spanish Basin is
44. Which of the following are cold ocean currents?
I. Humboldt Current
II. Brazil Current
III. Oyashio Current
IV. Canary Current
45. The remains of marine plants and animals in the form of oozes is deposited in the form of
46. The Carlsberg ridge emerged from which of the following latitudes?
47. The oceanic zone that is closest to the sea bed is
48. Consider the following statements with reference to the continental shelf.
I. It is submerged in water.
II. Its average depth is 100 fathoms.
III. Its higher percentage is found in the Pacific Ocean.
IV. It is wider, where high mountains are close and parallel to the coast.
Which of the statements given above is/are correct?
49. Consider the following and choose the correct options.
I. Corals grow more rapidly towards sea side.
II. Corals require a firm platform for their growth.
III. Lower salinity limits coral growth.
50. Which of the following is true about Benthic zone?
I. Only micro-organisms live in Benthic zone.
II. Benthic zone extends downwards along the surface of continental shelf.
III. Organisms living in Benthic zone are called Benthos.