14000+ MCQs World Geography (Oceanography)
Total Questions:- 50
Time:- 30 Minutes
MCQ Pattern
Date:- 14/12/2025
1. Which of the following factors affects the origin and nature of movement of ocean current?
2. Which of the following is not a cold ocean current?
3. Which one of the following pairs of island and sea/ocean is not correctly matched?
4. 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.
5. 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.
6. The increase in salinity of water
7. 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.
9. The tides whose height are 20 per cent more than normal tides are called
10. Which one of the following ocean currents is not a warm current?
11. Assertion (A) Continental shelves are very useful to man. Reason (R) Marine food comes entirely from continental shelves.
12. 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.
13. Salinity is higher in which of the following seas or oceans as compared to others?
14. Which of the following currents is located near the coastline of Philippines and China?
15. The deepest zones on oceanic basins is
16. Which of the following has the maximum percentage in sea water?
17. Coral reefs attached to continental coast or Islands is known as
19. Continental shelves are formed by
20. The Carlsberg ridge emerged from which of the following latitudes?
21. Arrange the following island correctly from West to East.
22. Identify the odd ones out in relation to the process of upwelling in the ocean?
23. The epipelagic zone extends from the surface till the depth of
24. Falkland island, the bone of contention between South America and Britishers, is located in
25. The Gulf Stream is a poleward flowing current in the Atlantic Ocean. Which one of the following statements with regard to this is not correct?
27. 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.
28. The average salinity of oceans in the world is
29. Ocean basin has been divided into number of types. Abyssal plain is one of them. Choose the correct statement.
I. It lies immediately after continental slope.
II. They are among flattest, smoothest surface on Earth.
III. It covers more than 50% of Earth’s surface.
30. A tidal phenomenon where the leading edge of incoming tide forms a wave against the direction of river, is known as
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. The Cyprus island is located in
33. The Newfoundland island is located in
34. 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.
35. The interval between two high tides is approximately
37. 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.
38. With reference to Ocean Mean Temperature (OMT), which of the following statements is/are correct?
I. OMT is measured up to a depth of 26°C isotherm which is 129 meters in the South-Western Indian Ocean during January to March.
II. OMT collected during January to March can be used in assessing whether the amount of rainfall in monsoon will be less or more than a certain long-term mean.
39. 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.
40. The average surface temperature of oceanic water is
41. The oceanic zone that is closest to the sea bed is
42. 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?
43. 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.
44. The Mid Atlantic ridge has a length of about
45. Submarine canyons are formed due to which of the following?
46. Identify the correct decreasing order of salts in terms of % in sea water.
47. Which of the following current flows Northward to feed the South Equatorial Current?
48. The cold current flowing in Indian Ocean is
49. 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?
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.
