14000+ MCQs World Geography (Oceanography)
Total Questions:- 50
Time:- 30 Minutes
MCQ Pattern
Date:- 31/07/2026
2. Mariana Trench is located in the ocean floor of
3. The distance between two adjacent crests and troughs of a wave is known as
4. The East Pacific rise is also known as
5. Consider the following statements.
I. Tides are of great help in navigation and fishing.
II. High tide enables big ships to enter or leave the harbour safely.
III. Tide prevents siltation in the harbours.
IV. Kandla and Diamond Harbour are tidal ports.
Which of the statements given above are correct?
6. The increase in salinity of water
7. The epipelagic zone extends from the surface till the depth of
9. Coral reefs attached to continental coast or Islands is known as
10. 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.
11. Which of the following seas has the highest average salinity?
12. 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.
13. As compared to continental shelf, the continental slope is
14. Which of the following is a warm current?
15. Which among the following statements about the North Atlantic Drift is/are correct?
I. It keeps the West Coast of Northern Europe ice free.
II. It is responsible for the warm air mass which interacts with the cold air mass from the Polar region and causes rainfall in Western Europe.
III. It meets the Labrador current near Vancouver island and causes dense fog.
17. 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.
18. Coral reefs are not found in which one of the following regions?
19. Extensive coral formations develop between 30°N and 30°S especially on the ............ margins of the landmasses.
20. Which one of the following type of tides is observed at an interval of every 6 months?
21. Regarding Halocline, choose the correct statement given below.
I. It relates to salinity change only.
II. Pycnoclines normally follows halocline.
III. It is a subtype of chemocline.
22. Which of the following current flows Northward to feed the South Equatorial Current?
23. In which ocean is the Kamchataka current found?
24. Consider the following statements.
I. Ocean currents are the slow-surface movement of water in the same.
II. Ocean currents assist in maintaining the Earth’s heat balance.
III. Ocean currents are set in motion primarily by prevailing winds.
IV. Ocean currents are affected by the configuration of the ocean.
Which of the statements given above are correct?
25. Apogean tide occurs during, which of the following conditions?
I. When Sun and Earth is at minimum distance.
II. When Moon is farthest from Earth.
III. When Moon is nearest to the Earth.
IV. When Moon is at 90° to Sun.
26. Consider the following statements.
I. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean.
II. The annual range of temperature is greater in the Northern hemisphere than that in the Southern hemisphere.
Which of the statements given above is/are correct?
27. Salinity is higher in which of the following seas or oceans as compared to others?
28. The remains of marine plants and animals in the form of oozes is deposited in the form of
29. Which of the following factors would result in increasing oceanic salinity?
30. Which one of the following is known as a zone of sharp salinity change in the vertical section of ocean?
31. Which one among the following sequences of water bodies, from lower to higher salinity concentration, is correct?
32. Arrange the following ocean zones from top to bottom.
33. The largest coral reef system is located in
34. Which of the following is a terrigenous oceanic deposit?
35. Which one among the following is not a cause of generation of ocean currents?
36. The current produced by upwelling of cold water off the coast of Chile and Peru is known as
37. Which of the following conditions hinders the development of corals?
38. In which one of the following oceans the Diamantina Trench situated?
39. Out of the following which combination is incorrect?
40. On the planet Earth, most of the fresh water exists as ice caps and glaciers. Out of the remaining fresh water, the largest proportion
41. 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?
42. Which one of the following factors is responsible for the change in the regular direction of the ocean currents in the Indian Ocean?
43. 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.
44. Which one of the following is the correct sequence of the four stages of water movement in a hydrological cycle?
45. The Mid Atlantic ridge has a length of about
46. The largest island of Arctic Ocean is
47. Which of the following statements are true?
I. The direction of Canary current is North to South.
II. The direction of Benguela current is South to North.
III. The direction of North Atlantic drift is West to East.
IV. The Direction of California Current is North to South.
48. Which one among the following is a cold ocean current?
49. 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.
50. The Galapagos ridge is found in