14000+ MCQs World Geography (Oceanography)
Total Questions:- 50
Time:- 30 Minutes
MCQ Pattern
Date:- 13/09/2026
1. Which of the following statements is true regarding oceanic salinity?
2. Identify the correct statement/s.
I. Littoral deposits generally contains gravels, sand, silt, clay.
II. Terrigeneous deposits are usually deposited at shallow depths.
III. Deep water deposits contain coral mud, volcanic mud.
3. Which of the following current flows Northward to feed the South Equatorial Current?
4. Tsunamis are not caused by
5. Jaffreys Basin, having an average depth of 5000 m is located on
6. Deep sea plains are characterised by which of the following deposits?
7. 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.
8. The Wyville Thomson ridge is located between
9. 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
10. Which one of the following type of tides is observed at an interval of every 6 months?
12. Which of the following seas has the highest average salinity?
13. The remains of marine plants and animals in the form of oozes is deposited in the form of
14. The average surface temperature of oceanic water is
15. Which of the following currents is located near the coastline of Philippines and China?
16. 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.
17. Assertion (A) Water recedes from the coast before Tsunami strikes the coast. Reason (R) Tsunami is generated because of seismic waves.
18. Which one of the following ocean currents is a cold current?
19. Which one of the following statements is not correct?
20. Identify the odd ones out in relation to the process of upwelling in the ocean?
21. What percentage of world’s freshwater is stored as glacial ice?
22. The Newfoundland island is located in
23. 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.
24. Which one of the following pairs of island and sea/ocean is not correctly matched?
25. Continental shelves are formed by
26. 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.
27. Waves often change direction as they approach a shoreline, a phenomenon known as
28. Which one of the following ocean currents is not a warm current?
29. Which of the following is a terrigenous oceanic deposit?
30. 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.
31. In the question given below there are two statements labelled as Assertion (A) and Reason (R). In the context of the two, which of the following is correct?
Assertion (A) Seas and Oceans are vast reservoir of food and mineral resources for future.
Reason (R) At present mankind has not been able to develop cost effective technologies for the exploitation of marine resources.
32. 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?
33. Assertion (A) It is easier to swim in seawater compared to ordinary water. Reason (R) Density of sea-water is higher than that of ordinary water.
34. The deepest zones on oceanic basins is
35. The East Pacific rise is also known as
36. On the planet Earth, most of the fresh water exists as ice caps and glaciers. Out of the remaining fresh water, the largest proportion
37. A tidal phenomenon where the leading edge of incoming tide forms a wave against the direction of river, is known as
38. Salinity is higher in which of the following seas or oceans as compared to others?
39. The Madagascar island is found in
40. Which one of the following is known as a zone of sharp salinity change in the vertical section of ocean?
41. Which one of the following does the ‘West Wind Drift’ belong to?
44. Which of the following conditions hinders the development of corals?
45. Which of the following are the necessary conditions for the growth of coral reefs?
I. Photic conditions.
II. Clean and sediment-free water.
III. Sea salinity of 6%.
IV. Tropical sea water with temperature of 20°C to 21°C.
Select the correct answer using the codes given below.
46. The largest coral reef system is located in
47. Amsterdam St Paul plateau is located between
49. Which one of the following is the correct sequence of the four stages of water movement in a hydrological cycle?
50. 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.
