11. Which is the biggest Gulf of the World?
(A) Gulf of Mexico (B) Gulf of Persia
(C) Bay of Bengal (D) Hudson bay
Ans.(A)
12. To which of the following, Grand Bank and Dogger Bank are related?
(A) Tidal power plants
(B) Main fish catching zone
(C) Scuba diving (D) Shipping
Ans. (B)
13. The deepest surface depression on earth is-
(A) Kuri Trench (B) Mariana Trench
(C) Tonga-Kermadec Trench
(D) Bentley Subglacial Trench
Ans.(B)
14. Where is world’s deepest trench “Mariana Trench” located?
(A) In Indian Ocean (B) In Atlantic Ocean
(C) In Arctic Ocean (D) In Pacific Ocean
Ans. (D)
15. Where is Sunda Trench?
(A) Indian Ocean (B) Pacific Ocean
(C) Atlantic Ocean (D) Gulf of Mexico
Ans.(A)
16. Which of the following lake is known as “Honeymoon Lake”?
(A) Nyasa (B) Chad
(C) Titicaca (D) Toba
Ans. (C)
17. The stagnated water in the surface of lake is known as-
(A) Epilimnion (B) Metalmnion
(C) Thermocline (D) Hypolimnion
Ans.(D)
18. Which of the following sea is landlocked?
(A) Red Sea (B) Timor Sea
(C) Northern Sea (D) Aral Sea
Ans. (D)
19. The Marine cliffs are formed mainly due to-
(A) Ocean Currents (B) Structure of Shall
(C) Coast of Sea (D) Depth of The Ocean
Ans. (A)
20. What is the narrow strip which connects two water bodies or Sea or Ocean?
(A) Gulf (B) Strait
(C) Peninsula (D) Isthmus
Ans. (B)
21. The Coast of Norway is an example of-
(A) Dalmatian Coast (B) Fjord Coast
(C) Ria Coast (D) Pelagic Coast
Ans.(B)
22. Which of the following is a tropical ocean current?
(A) Curiel (B) Canary
(C) Labrador (D) Gulf Stream
Ans. (D)
23. Which is the longest current known as “Black
Current” due to its black colour?
(A) Gulf Stream (B) Kuroshio
(C) California Current (D) Antarctica Current
Ans. (B)
24. Find the odd-
(A) Dead Sea (B) Red Sea
(C) Black Sea (D) Caspian Sea
Ans.(A)
25. What is coral island?
(A) Sand Dune (B) Lake
(C) Sand Coast (D) Terrestrial Sea
Ans.(D)
26. Why are the ports of Baltic sea opened for trade
in winter?
(A) It is tropical belt
(B) North Atlantic warm currents flow in this region
(C) Local factors keep it warm
(D) Western disturbances increase the temperature.
Ans.(B)
27. “Tsunami” is the name given to which of the following?
(A) Earthquake (B) Cyclone
(C) Tidal Waves (D) Undersea Waves
Ans. (C)
28. Which of the following separates Asia and North America?
(A) Bass Strait (B) Dover Strait
(C) Bering Strait (D) Cook Strait
Ans.(C)
29. The full name of OTEC-
(A) Offshore Thermal Energy Conservation
(B) Ocean Terminal Energy Conservation
(C) Oil and Thermal Energy Conservation
(D) Ocean Thermal Energy Conservation
Ans.(D)
30. Which of the following current is responsible
for rise in temperature in western Europe?
(A) Labrador Current (B) Gulf Stream
(C) Canary Current (D) North Equatorial
Ans. (B)
31. Which of the following ocean current is not found in Atlantic ocean?
(A) Gulf Stream (B) Brazilian Stream
(C) Peru Current (D) Canary Current
Ans.(C)
32. In which of the ocean is Sargasso Sea?
(A) Atlantic Ocean (B) Pacific Ocean
(C) Indian Ocean (D) Arctic Ocean
Ans. (A)
33. Mongla port is located in-
(A) Srilanka (B) Bangladesh
(C) Bhutan (D) India
Ans. (B)
34. A wide inlet of the sea usually concave in shape, is termed as a-
(A) Strait (B) Sound
(C) Bay (D) Fjord
Ans. (C)
35. Sea water is saltier than rain water because-
(A) Sea animals are salt producing
(B) The air around the sea is saltish
(C) Rivers wash away salts from earth and pour them into the sea
(D) Sea beds have salt producing mines
Ans. (C)
36. A broad, low embankment built up along the banks of a river channel during floods is called-
(A) Delta (B) Levee
(C) Flood Plain (D) Dune
Ans. (B)
37. The tides in the sea are primarily due to-
(A) The atmospheric effect of the Earth
(B) The gravitational effect of Venus on the Earth
(C) The gravitational effect of the Sun on the Earth
(D) The gravitational effect of the Moon on the Earth
Ans: (D)
38. Ring of Fire is found commonly in___________
(A) Pacific Ocean (B) Atlantic Ocean
(C) Indian Ocean (D) Arctic Ocean
Ans: (A)
39. A stretch of sea water, partly or fully separated
by a narrow strip from the main sea is called-
(A) Bay (B) Isthmus
(C) Lagoon (D) Strait
Ans: (C)
40. Among the world oceans, which ocean is having the widest continental shelf ?
(A) Antarctic ocean (B) Arctic Ocean
(C) Indian Ocean (D) Atlantic ocean
Ans: (B)