14000+ MCQs World Geography (Oceanography)
Total Questions:- 50
Time:- 30 Minutes
MCQ Pattern
Date:- 29/10/2026
1. Identify the correct decreasing order of salts in terms of % in sea water.
2. Consider the following statements and choose the correct one.
I. Density is lowest in the photic zone.
II. Pycnocline layer represents the zone of rapidly changing sea water density.
III. Density is highest in polar areas.
3. Which one of the following statements is not correct?
4. Which one of the following ocean currents is a cold current?
5. Arrange the following ocean zones from top to bottom.
6. Which of the following zone lies just above the Benthic zone?
7. As compared to continental shelf, the continental slope is
8. Identify the incorrect statement(s) about marine deposits.
I. Blue mud covers the largest area of ocean.
II. Green mud is found in abundance on the sea floor near the Cape of Good Hope.
III. Grey colour of Green Mud is because of mineral Glauconite.
IV. Red clay is the most widespread Pelagic deposit.
9. Sea waves are generated due to friction of water surface caused by blowing wind. Choose the correct statement regarding sea waves.
I. Undulations of sea water at the place of their origin are called swells.
II. Height of winds generated depends on wind speed, duration of wind in one direction, length of water surface over which the wind blows.
III. Wavelength is expressed in terms of unit of meters.
IV. Wave velocity is directly related to wavelength.
10. 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.
11. A tidal phenomenon where the leading edge of incoming tide forms a wave against the direction of river, is known as
12. Tides are caused by the gravitational pull of the
13. In which one of the following oceans the Diamantina Trench situated?
14. Which of the following is a warm current?
15. Which one of the following pairs of island and sea/ocean is not correctly matched?
16. The remains of marine plants and animals in the form of oozes is deposited in the form of
17. Jaffreys Basin, having an average depth of 5000 m is located on
18. Which of the following is not a cold ocean current?
19. 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?
20. Tides are of various types, caused by different alignments of Sun, Moon and Earth. Choose the correct statement.
I. Height of high tides and low tides at different places in different oceans, differs.
II. At perigee, spring tide gets abnormally high.
III. Same place will have another spring tide after 12 hours exactly.
21. Which one among the following is a cold ocean current?
22. The distance between two adjacent crests and troughs of a wave is known as
23. What is the similarity between Milwaukee Deep, Java Trench and Challenger Deep?
24. The Carlsberg ridge emerged from which of the following latitudes?
25. Thermal heating of oceanic water will result in which of the following impact on density
26. What percentage of world’s freshwater is stored as glacial ice?
27. Assertion (A) Even in the deepest trenches more than 6 miles below the surface, the water never freezes. Reason (R) Only the upper layer of ocean waters freezes and acts as an insulator for lower layers.
28. Which one of the following ocean currents is not a warm current?
29. Statement I Tsunami is small in open ocean yet may be over 30 m high when it reaches a coastline. Statement II Tsunamis have long wavelength and they travel across the open ocean at high speed. As they approach shore, the wavelength decreases and the wave height increases.
30. Mariana Trench is located in the ocean floor of
31. Coral reefs attached to continental coast or Islands is known as
32. Which one among the following is not correct regarding Tsunami?
33. Which of the following basin lies to the South of Brazilian Basin?
34. Which one of the following is known as a zone of sharp salinity change in the vertical section of ocean?
35. Pelagic zone is one of the most important division of ocean with respect to commercial exploitation. Choose the correct statement.
I. Any water in sea or lake is neither close to bottom nor near the shore can be said to be in pelagic zone.
II. Pelagic life decreases with increasing depth.
III. Demersal zone lies between benthic and pelagic zone.
36. Which one of the following is the correct sequence of the four stages of water movement in a hydrological cycle?
37. Which one of the following sites does not have coral reef formation?
38. The deepest zones on oceanic basins is
39. Identify the odd ones out in relation to the process of upwelling in the ocean?
40. Which one of the following pairs is not correctly matched?
41. Assertion (A) Continental shelves are very useful to man. Reason (R) Marine food comes entirely from continental shelves.
42. The coral reefs are the marine counterparts of
43. Highest density of sea water is recorded at
44. Salinity is higher in which of the following seas or oceans as compared to others?
45. Arrange the following island correctly from West to East.
46. 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
48. Which one of the following is correctly matched?
49. Identify the incorrect statement(s).
I. Other things being equal, the differential effect of wave refraction tends to smooth the coastal outline.
II. A wave of translation can be a powerful force of destruction.
III. Waves often change direction as they approach the shore, a phenomenon known as Wave Refraction.
IV. Wave amplitude is one half of the wavelength.
50. Amsterdam St Paul plateau is located between
