UPSC Geography Oceans and Continents / महासागरों और महाद्वीपों Question Bank

done Oceanography Total Questions - 105

• question_answer1)
  What is the correct sequence of the following oceans in descending order of their areas?
  A)
   Indian Ocean, Arctic Ocean, Atlantic Ocean and Pacific Ocean done clear
  B)
   Arctic Ocean, Atlantic Ocean, Indian Ocean and Pacific Ocean done clear
  C)
   Atlantic Ocean, Pacific Ocean, Arctic Ocean and Indian Ocean done clear
  D)
   Pacific Ocean, Atlantic Ocean, Indian Ocean and Arctic Ocean done clear
  View Solution play_arrow

• question_answer2)
  What is the correct sequence of features on the sea floor starting from the coast to greater depths?
  A)
   Continental shelf, continental slope, continental rise, abyssal plain done clear
  B)
   Abyssal plain, continental rise, continental slope, continental shelf done clear
  C)
   Continental slope, continental rise, abyssal plain, continental shelf done clear
  D)
   Continental rise, continental slope, continental shelf, abyssal plain done clear
  View Solution play_arrow

• question_answer3)
  Consider the following pairs:

  List I (Sea)	List II (Ocean)
  1. Kara Sea	Atlantic Ocean
  2. Baltic Sea	Arctic Ocean
  3. Weddell Sea	Southern Ocean
  4. Coral Sea	Pacific Ocean

  Which of the above pairs are correctly matched?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   3 and 4 only     done clear
  D)
   None done clear
  View Solution play_arrow

• question_answer4)
  Match List I with List II and select the correct answer using the codes given below:

  List I (Sea)	List II (Country)
  A. Black Sea	1.  Bulgaria
  B. Red Sea	2. China
  C. Yellow Sea	3.  Eritrea
  D. Caspian Sea	4. Kazakhstan

  A)
  A-1                B-2      C-4       D-3 done clear
  B)
  A-2                B-3      C-1       D-4 done clear
  C)
  A-1                B-3      C-2       D-4 done clear
  D)
  A-2                B-4      C-1       D-3 done clear
  View Solution play_arrow

• question_answer5)
  Consider the following statements regarding continental shelves

  1. They have gentle slope and they extend up to 200m depth.

  2. They are quite wide where mountains are close and parallel to the coast.

  3. They are narrow where there are wide plains near the coast.

  4. The widest continental is off the Arctic coast of Siberia.

  A)
   1 and 2 are true             done clear
  B)
   2 and 3 are true done clear
  C)
   3 and 4 are true             done clear
  D)
   1 and 4 are true done clear
  View Solution play_arrow

• question_answer6)
  Consider the following statements:

  1. Continental shelf is that part of the continents which has submerged under the sea

  2. Continental shelves can be a great source of minerals in the world

  3. Continental shelves are devoid of any form of plant and animal life

  4. Width of the continental shelves in inversely proportional to their slope

  Which of the above statements are correct?
  A)
   1 and 2 only     done clear
  B)
   1, 2 and 3 only done clear
  C)
   1, 2 and 4 only   done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer7)
  Consider the following statements regarding continental shelves:

  1. They can extend up to a depth of 100 fathoms.

  2. They extend between coast and continental slope.

  3. They cover more than 10 per cent of the sea surface area.

  4. Maximum width of the continental shelf is found in the Atlantic Ocean.

  Which of the above statements are correct?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   1,2 and 3 only               done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer8)
  Consider the following oceans

  1. Pacific Ocean

  2. Atlantic Ocean

  3. Indian Ocean

  Which of the following is the correct descending order with respect to the percentage of area covered by continental shelves to the total area in individual oceans?
  A)
   1, 2, 3                          done clear
  B)
   2, 1, 3 done clear
  C)
   1, 3, 2                          done clear
  D)
  3, 2, 1 done clear
  View Solution play_arrow

• question_answer9)
  Consider in following statements regarding continental slope.

  1. It is an area of steep slope between continental shelf and deep sea plain

  2. It is a part of the continental margin covered by the ocean water.

  3. Continental slopes may have deep sea fan at its base.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   3 only                          done clear
  D)
   1,2 and 3 done clear
  View Solution play_arrow

• question_answer10)
  Consider the following oceans with respect to extent of continent slopes
  A)
   Atlantic Ocean, Indian Ocean and Pacific Ocean done clear
  B)
   Pacific ocean, Atlantic Ocean and Indian Ocean done clear
  C)
   Atlantic ocean, Pacific Ocean and Indian Ocean done clear
  D)
   Indian ocean, Atlantic Ocean and Pacific Ocean Which of the above is the correct sequence in descending order of percentage of area occupied by continental slopes in the respective oceans? done clear
  View Solution play_arrow

• question_answer11)
  Consider the following statements regarding continental slopes

  1. They have an average slope of \[{{4.3}^{o}}\]

  2. Their average depth varies from 200 to 2000 m.

  3. The maximum extension of continental slope is found between \[{{20}^{o}}N\] and \[{{50}^{o}}N\] latitudes and on \[{{80}^{o}}N\] and \[{{70}^{o}}N\] latitudes

  4. They are characterized by extensive marine deposits

  Which of the above statements are correct?
  A)
   1, 2 and 4 only done clear
  B)
   1, 2 and 3 only done clear
  C)
   2, 3 and 4 only              done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer12)
  Consider the following pairs

  List I	List II
  (Ocean Floor Feature)	(Percentage of Ocean Area)
  1. Continental Shelves	7.6
  2. Continental Slopes	8.5
  3. Abyssal plains	75.9

  Which of the above pairs are correctly matched?
  A)
   3 only                          done clear
  B)
   2 and 3 only done clear
  C)
   1 and 3 only                 done clear
  D)
   1,2 and 3 done clear
  View Solution play_arrow

• question_answer13)
  Consider the following statements:

  1. Seamounts are isolated steep submarine hills

  2. The Andaman and Nicobar Islands are parts of seamounts projecting above the sea level.

  Which of the above statements is/are correct?
  A)
   1 only     done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer14)
  Which of the following statements is not correct?
  A)
   Generally continental shelves are wider in front of river mouths done clear
  B)
   Geologically continental slope is a part of oceanic crust done clear
  C)
   Beyond the continental shelf and continental slope, there is continental rise done clear
  D)
   Mid oceanic ridges are the result of spreading of sea floor. done clear
  View Solution play_arrow

• question_answer15)
  Match list I with list II

  List I	List II
  (Islands)	(Location)
  A. Masshal	1. South Pacific Ocean
  B, Tonga	2. North Pacific Ocean
  C. Cape Verde	3. North Atlantic Ocean
  D. Crozet	4. South Indian Ocean

  A)
  A-2                B-1      C-3       D-4 done clear
  B)
  A-1                B-2      C-3       D-4 done clear
  C)
  A-3                B-4      C-2       D-1 done clear
  D)
  A-4                B-3      C-1       D-2 done clear
  View Solution play_arrow

• question_answer16)
  Match list I with list II and select correct answer using the codes given below

  List I	List II
  (Ocean Trench)	(Ocean)
  A. South Sandwich	1. Southern Ocean
  B. Aleutian Trench	2. South Pacific Ocean
  C. Kermadec Trench	3. North Pacific
  D. Sunda Trench	4. South Indian Ocean

  A)
  A-1                B-3      C-2       D-4 done clear
  B)
  A-3                B-1      C-4       D-2 done clear
  C)
  A-2                B-4      C-3       D-1 done clear
  D)
  A-4                B-2      C-1       D-3 done clear
  View Solution play_arrow

• question_answer17)
  Consider the following names of the oceans

  1. Atlantic Ocean

  2. Indian Ocean

  3. Pacific Ocean

  Which of the following sequences is correct with respect to number of deeps located in each ocean?
  A)
   1, 2 and 3        done clear
  B)
   2, 3 and 1 done clear
  C)
   3, 1 and 2        done clear
  D)
   3, 2 and 1 done clear
  View Solution play_arrow

• question_answer18)
  Consider the following statements.

  1. Most of the ocean trenches are found in the eastern and western parts of the Pacific Ocean and they are seldom found in the middle ocean region.

  2. Most of the trenches are curved, with concave side facing the open ocean.

  Which of the above statements is/are correct?
  A)
   1 only       done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer19)
  Which of the following statements is not correct?
  A)
   Kepmadec Trench lies in South Indian Ocean. done clear
  B)
   Aleutian Trench is located in the south of the Bering Sea. done clear
  C)
   Peru Trench has been formed by subduction of Nazca Plate below South American plate. done clear
  D)
   Sunda Trench lies to the south of equator done clear
  View Solution play_arrow

• question_answer20)
  Which of the following combination is wrong? Plateau
  A)
   Telegraph Plateau :        Indian Ocean done clear
  B)
   Cocoa ridge          :        Pacific Ocean done clear
  C)
   Wolvis ridge        :         Atlantic Ocean done clear
  D)
   Agulhas basin       :        Indian Ocean done clear
  View Solution play_arrow

• question_answer21)
  Match list I with list II and select the correct answer using the codes given below.

  List I	List II
  A. Welvis Ridge	1. North Atlantic Ocean
  B. Wyville Thomsan Ridge	2. South Atlantic Ocean
  C. Clarion Fracture zone	3. Indian Ocean
  D. Cocos-Keeling Basin	4. North Pacific Ocean

  A)
  A-2                B-1      C-3       D-4 done clear
  B)
  A-1                B-2      C-4       D-3 done clear
  C)
  A-3                B-4      C-1       D-2 done clear
  D)
  A-4                B-3      C-2       D-1 done clear
  View Solution play_arrow

• question_answer22)
  Consider the following oceans of the world

  1. Pacific Ocean

  2. North Atlantic Ocean

  3. South Atlantic Ocean

  4. Indian Ocean

  5. Southern Ocean

  6. Arctic Ocean

  Which is the correct sequence of these oceans according to descending order of their average depths?
  A)
   1, 2, 3, 4, 5, 6                 done clear
  B)
   2, 4, 5, 1, 3, 6 done clear
  C)
   4, 3, 1, 2, 6, 5                           done clear
  D)
   3, 4, 2, 1, 5, 6 done clear
  View Solution play_arrow

• question_answer23)
  Consider the following statements

  1. Ramanche Gap divides the Mid Pacific Ridge into two parts.

  2. Cape Verde Basin lies in North Atlantic Ocean between Mid-Atlantic Ridge and Africa

  Which of the above statements is/are correct?
  A)
   1 only              done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer24)
  Consider the following statements

  1. Canyons facing see the river mouths are usually long but have gentle gradient

  2. Canyons located near islands are quite deep

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2     done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer25)
  Which of the following statements is wrong?
  A)
   Seamounts are isolated volcanic hills on the sea floor done clear
  B)
   Guyots are flat topped hills done clear
  C)
   Deep sea plains cover the maximum area of the ocean floors done clear
  D)
   The largest number of islands is found in the Atlantic Ocean done clear
  View Solution play_arrow

• question_answer26)
  Consider the following statements

  1. Yellow Sea lies between China and Japan

  2. Adriatic Sea lying between Italy and Greece is an example of deep marginal sea

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer27)
  Which of the following statements is not correct?
  A)
   Wyevale Thomson Ridge lies between British Isles and Ireland. done clear
  B)
   Walvis Ridge is located along the Brazilian coast done clear
  C)
   Albatross Plateau is a part of Equatorial Pacific Ocean done clear
  D)
   Amsterdam St. Paul Plateau lies in South Indian Ocean done clear
  View Solution play_arrow

• question_answer28)
  The northern and the southern parts of the Mid Atlantic Ridge are respectively known as:
  A)
   Dolphin Ridge and Challenger Ridge done clear
  B)
   Challenger Ridge and Walvis Ridge done clear
  C)
   Dolphin Ridge and Wyville Thomson ridge done clear
  D)
   Walvis Ridge and Wyville Thomson Ridge done clear
  View Solution play_arrow

• question_answer29)
  Match List I with List II and find out the correct answer using the codes given below:

  List I	List II
  (Feature)	(Location)
  Bromley Plateau	1. South Atlantic Ocean
  B. Socotra-Chagos Ridge	2. North Indian Ocean
  C. Cape Verde Basin	3. North Atlantic Ocean
  D. Emperor Seamounts	4. North Pacific Ocean

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-2                B-3      C-4       D-1 done clear
  C)
  A-4                B-2      C-1       D-3 done clear
  D)
  A-3                B-1      C-2       D-4 done clear
  View Solution play_arrow

• question_answer30)
  Match list I with list II and find out the correct answer by using the codes given below.

  List I (Feature)	List II (Location)
  A. Natal Basin	1. S.W. of Madagascar
  B. Sierra Leone Basin	2. Between \[{{0}^{o}}\]to\[{{10}^{o}}N\] and \[{{10}^{o}}\]to\[{{20}^{o}}W\]
  C. Albatross plateau	3. East Tropical Pacific Ocean
  D. Murray seas carp	4. Off the west coast of North America

  A)
  A-1                B-2      C-3       D-4 done clear
  B)
  A-3                B-4      C-1       D-2 done clear
  C)
  A-2                B-3      C-4       D-1 done clear
  D)
  A4                 B-1      C-2       D-3 done clear
  View Solution play_arrow

• question_answer31)
  Consider the following statements?

  1. Submarine canyons are so called because they resemble river canyons on the continents

  2. They look like long V-shaped valleys with steep sides.

  3. They have tributaries similar to those of river cut canyons on land

  4. Most of the canyons are formed by continental rifting

  Which of the above statements are not correct?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   3 and 4 only     done clear
  D)
   None done clear
  View Solution play_arrow

• question_answer32)
  Which of the following statements regarding submarine canyons are wrong?
  A)
   They tend to have steep side slopes done clear
  B)
   Most canyons are formal by turbidity currents done clear
  C)
   There are no tributaries of the submarine canyons done clear
  D)
   They are similar to youthful river valleys on the land but are much deeper than the river valleys on the land. done clear
  View Solution play_arrow

• question_answer33)
  Consider the following statements regarding submarine canyons:

  1. They are largely found in front of large rivers.

  2. They are rarely found in islands studded seas or along desert coasts.

  3. They are absent along straight coasts.

  4. They are commonly found off the coast of North America from Canada to Cape Hatteras.

  Which of the above mentioned statements are correct?
  A)
   1 and 2 only     done clear
  B)
   1, 2 and 3 only done clear
  C)
   2, 3 and 4 only              done clear
  D)
   1, 2, and 4 only done clear
  View Solution play_arrow

• question_answer34)
  Match List I with List II and select the correct answer using codes given below the list.

  List I	List II
  (Oceanic Trench)	(Location)
  A. Aleutian	1. Indian Ocean
  B. Kermadic	2. North Pacific Ocean
  C. Sunda	3. South Pacific Ocean
  D. S. Sandwich	4. South Atlantic Ocean

  A)
  A-2                B-4      C-1       D-3 done clear
  B)
  A-2                B-3      C-1       D-4 done clear
  C)
  A-1                B-3      C-2       D-4 done clear
  D)
  A-1                B-4      C-2       D-3 done clear
  View Solution play_arrow

• question_answer35)
  The correct sequence of major salts in the ocean waters in descending order with respect to percentage is
  A)
   Sodium Chloride, Magnesium Chloride, Magnesium Sulphate, Calcium Sulphate done clear
  B)
   Magnesium Chloride, Magnesium Sulphate, Calcium Sulphate, Sodium Chloride done clear
  C)
   Sodium Chloride, Calcium Sulphate, Magnesium Sulphate, Magnesium Chloride done clear
  D)
   Magnesium Sulphate, Calcium Sulphate, Sodium Chloride, Magnesium chloride done clear
  View Solution play_arrow

• question_answer36)
  Salinity of the ocean waters near the equator is low because of

  I. Heavy rainfall

  II. High rate of evaporation

  III. Huge quantities of water brought to oceans by the rivers

  A)
   I and II are correct done clear
  B)
   II and III are correct done clear
  C)
   I and III are correct done clear
  D)
   I, II and III are correct done clear
  View Solution play_arrow

• question_answer37)
  Consider the following statements regarding salinity of the ocean waters.

  1. Salinity near the equator is very low due to heavy rainfall and little evaporation.

  2. Salinity near the Tropic of Cancer is high due to huge evaporation and steady trade winds.

  3. Salinity in the polar region is very low due to little evaporation and melting of ice.

  4. The lowest salinity is found in the Red Sea.

  A)
   1 and 4 are correct         done clear
  B)
   2 and 4 are correct done clear
  C)
   3 and 4 are correct         done clear
  D)
   1,2, and 3 are correct done clear
  View Solution play_arrow

• question_answer38)
  Consider the following statements regarding salinity of the ocean waters.

  1. The salinity patterns of the surface waters of the Pacific Ocean are influenced largely by wind, rain and evaporation.

  2. The water within the belt of calms and variable winds near the equator has lower salinity as compared to those in the trade wind bells.

  3. The higher salinity in the open Pacific occurs in the southern tropical belt.

  4. The lowest salinities occur in area near the Aleutian Islands.

  Which of the above statements are correct?
  A)
   1 only                          done clear
  B)
   1 and 2 only done clear
  C)
   1, 2 and 3 only   done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer39)
  Which of the following is the correct sequence of seas in decreasing order of salinity?
  A)
   Red Sea, Caribbean Sea, Bering Sea, Baltic Sea done clear
  B)
   Caribbean Sea, Bering Sea, Baltic Sea, Red Sea done clear
  C)
   Bering Sea, Baltic Sea, Red Sea, Caribbean Sea done clear
  D)
   Baltic Sea, Red Sea, Caribbean Sea, Bering Sea done clear
  View Solution play_arrow

• question_answer40)
  Consider the following statements:

  1. Of all the latitudes, salinity is the maximum at the equator.

  2. Within the tropics, salinity of the open oceans is larger than that of the closed areas.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2     done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer41)
  Consider the following statements

  1. Lake Van has the highest salinity in the world.

  2. Gulf of Bothnia records some of the lowest salinity in the world.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer42)
  Which of the following statements is not correct?
  A)
   Salinity of the ocean water is directly proportional to the rate of evaporation. done clear
  B)
   Salinity of the ocean water decreases with the increase in precipitation. done clear
  C)
   Higher rates of salinity are found at the mouths of big rivers. done clear
  D)
   Tides and currents bring about changes in salinity. done clear
  View Solution play_arrow

• question_answer43)
  Match List I with List II and find out the correct answer using the codes given below     

  List I	List II
  (Sea)	(Salinity)
  A. Red Sea	1. 37-41%
  B. North Sea	2. 34%
  C. Black Sea	3. 17-18%
  D. Dead Sea	4. 240%

  A)
  A-3                B-4      C-1       D-2 done clear
  B)
  A-2                B-3      C-4       D-1 done clear
  C)
  A-4                B-2      C-1       D-3 done clear
  D)
  A-1                B-2      C-3       D-4 done clear
  View Solution play_arrow

• question_answer44)
  Consider the following statements

  1. Salinity of the ocean waters generally decreases from the equator towards poles.

  2. Tropic of Cancer and Tropic of Capricorn have higher salinity than the equator.

  3. Mediterranean Sea has higher salinity than the open Atlantic Ocean.

  4. Salinity is low in the polar areas due to influx of melting water.

  Which of the above statements are correct?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   3 and 4 only     done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer45)
  Which of following statements is not correct?
  A)
   In the North Atlantic Ocean the highest salinity is found off the Labrador coast. done clear
  B)
   In the South Atlantic Ocean salinity is higher along the western margins as compared to salinity along the eastern margins. done clear
  C)
   South Indian Ocean has lower salinity than the North Indian Ocean. done clear
  D)
   Salinity is uniformly low in the Southern Ocean. done clear
  View Solution play_arrow

• question_answer46)
  Examine the following statements and select the correct answer using the codes given below

  1. The average salinity of the oceans is 35%

  2. Salinity of the Mediterranean Sea decreases from east to west.

  3. Salinity of the Red Sea increases from south to north.

  4. Salinity of the Persian Gulf increases from its head to the interior.

  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   1, 2 and 3 only              done clear
  D)
   1,2,3 and 4 done clear
  View Solution play_arrow

• question_answer47)
  Consider the following water bodies

  1. Lake Van

  2. Dead Sea

  3. Red Sea

  4. Gulf of Bothnia

  Find out the correct sequence of the above water bodies in descending order of salinity by using the following codes.
  A)
   1, 2, 3 and 4     done clear
  B)
   2, 3, 4 and 1 done clear
  C)
   3, 4, 2 and 1                 done clear
  D)
   4, 3, 2 and 1 done clear
  View Solution play_arrow

• question_answer48)
  Salinity of the open oceans is maximum in the:
  A)
   Equatorial regions done clear
  B)
   Tropical regions                       done clear
  C)
   Sub-tropical region done clear
  D)
   Polar region done clear
  View Solution play_arrow

• question_answer49)
  Which of the following statements is not correct?
  A)
  Temperature of the ocean water increases with depth as we find increase in temperature with increasing depth within the earth. done clear
  B)
   Temperature differences play a vital role in controlling the movements of the ocean water. done clear
  C)
  Differential thermal conditions of the ocean water influence the general atmospheric conditions and control the planetary wind belts. done clear
  D)
  Ocean water temperature has moderating effect on weather conditions of coastal areas. done clear
  View Solution play_arrow

• question_answer50)
  Which of the following statements is not correct?
  A)
   Temperatures of the ocean waters are the highest at the equator and decreases towards the poles. done clear
  B)
   Diurnal range of ocean water temperature is very small and is often around\[{{1}^{o}}C\]. done clear
  C)
   Annual range of temperature in the northern parts of the Pacific and Atlantic oceans is higher than their southern counterparts. done clear
  D)
   Range of the water temperature increases with depth. done clear
  View Solution play_arrow

• question_answer51)
          Consider the following statements:

  1. The temperature of the ocean water falls with increasing depth but at no depth point, the temperature falls below freezing point.

  2. The temperature of the ocean water is almost the same at the sea surface in the Indian Ocean and Red Sea, but at greater depth temperature in Indian Ocean falls more rapidly than in Red Sea.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2     done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer52)
  Consider the following statements:

  1. Boundary between surface waters and deeper waters is known as thermocline.

  2. Temperature above the thermocline layer is lower than that of the layer below thermocline.

  Which of the above statements is/are correct?
  A)
   1 only      done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer53)
  Which of the following statements is not correct?
  A)
   The rate of decrease of temperature with increasing depth goes on decreasing from equator towards poles. done clear
  B)
   The change in sea temperature below 2000 m is negligible. done clear
  C)
   The diurnal and annual range of temperature cease below the depths of 5 fathom and 100 fathoms respectively. done clear
  D)
   The annual range of temperature is the same for open oceans and closed seas. done clear
  View Solution play_arrow

• question_answer54)
  Which of the following statements is not correct?
  A)
   Density of water increases and temperature of water decreases with increasing depth. done clear
  B)
   About 90 per cent of the ocean water is found below the thermocline. done clear
  C)
   West coast of the temperate North Atlantic Ocean has much lower temperature than is east coast done clear
  D)
   Temperature variations in the northern and southern hemisphere are the same. done clear
  View Solution play_arrow

• question_answer55)
  Consider the following statements:

  1. Saline water freezes slowly as compared to fresh water.

  2. There is a positive correlation between salinity and density of sea water.

  3. Boiling point of water decreases with increase in salinity

  4. Salinity of sea water is inversely proportional to evaporation.

  Which of the above statements are correct?
  A)
   1 and 2   done clear
  B)
   2 and 3 done clear
  C)
   3 and 4                        done clear
  D)
   1 and 4 done clear
  View Solution play_arrow

• question_answer56)
  Consider the following

  1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean.

  2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere.

  Correct statements
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer57)
  Match list I with list II and find out the correct answer using the code given below:         

  List I	List II
  A. Wave crest	1. Lowest part of the wave
  B. Wave trough	2. Highest part of the wave
  C. Wave length	3. Distance between a trough and its neighboring crust
  D. Wave height	4. Distance between two consecutive crests  or  troughs

  A)
  A-1                B-4      C-2       D-3 done clear
  B)
  A-2                B-1      C-4       D-3 done clear
  C)
  A-4                B-2      C-3       D-1 done clear
  D)
  A-3                B-1      C-4       D-2 done clear
  View Solution play_arrow

• question_answer58)
  Which of the following factors does not cause ocean currents?
  A)
   Prevailing winds                 done clear
  B)
   Rotation of the earth             done clear
  C)
   Revolution of the earth   done clear
  D)
   Temperature differences done clear
  View Solution play_arrow

• question_answer59)
  Which of the following factors of ocean current formation is specific to the North Indian Ocean?
  A)
   Salinity difference          done clear
  B)
   Shape of coasts done clear
  C)
   Evaporation     done clear
  D)
   Change of seasons done clear
  View Solution play_arrow

• question_answer60)
  Consider the following statements:

  1. Ocean currents are the slow-surface movements of water in the ocean.

  2. Ocean currents assist in maintaining the Earth's heat balance.

  3. Ocean currents are set in motion primarily by prevailing winds.

  4. Ocean currents are affected by the configuration of the ocean.

  Which of these statements are correct?
  A)
   1 and 2 only     done clear
  B)
   2, 3 and 4 only done clear
  C)
   1, 3 and 4 only              done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer61)
  Which the following statements regarding currents of the North Atlantic Ocean are not correct?
  A)
   Trade winds maintain fairly steady near North Equatorial current. done clear
  B)
   Huge quantity of water is accumulated in the Caribbean Sea. done clear
  C)
   On reaching the American coast, the North Equatorial current of the Atlantic Ocean is divided into Antilles current and Caribbean current. done clear
  D)
   Florida current is the slowest of all the currents of the North Atlantic Ocean. done clear
  View Solution play_arrow

• question_answer62)
  Which of the following currents is also known as the Humboldt Current?
  A)
   California Current          done clear
  B)
   Labrador Current done clear
  C)
   Peru Current     done clear
  D)
   Kuroshio Current done clear
  View Solution play_arrow

• question_answer63)
  Consider the following statements.

  1. In the Pacific Ocean there is a seasonal march of the Pacific Equatorial currents to the north of equator in summer and to the south of equator in the winter.

  2. Axis of the counter equatorial current remains at the equator throughout the year.

  Which of the above statements is/are correct?
  A)
   1 only        done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer64)
  Which one of the following factors is responsible for change in the regular direction of ocean currents in the North Indian Ocean?
  A)
   Indian Ocean is 'half an ocean'. done clear
  B)
   Indian Ocean has monsoon drift. done clear
  C)
   Indian Ocean has greater variation in salinity. done clear
  D)
   Indian Ocean is a land- locked ocean. done clear
  View Solution play_arrow

• question_answer65)
  Currents surrounding the Sargasso Sea are

  1. Gulf stream

  2. North Atlantic Drift

  3. Norwegian current

  4. Labrador Current

  5. Canaries Current

  6. Counter Equatorial current

  A)
   1, 2, 3, 4 are correct done clear
  B)
   2, 3, 4, 5 are correct done clear
  C)
   1, 2, 5 are correct done clear
  D)
   1, 3, 4, 6 are correct done clear
  View Solution play_arrow

• question_answer66)
  Match List I with List II and find out the correct answer using the codes given below:

  List I (Current)	List II (Location)
  A. Benguela Current	1. East coast of South America
  B. Falkland current	2. West coast of Africa
  C. Kuroshio current	3. East court of Japan
  D. Gulf Stream	4. East coast of U.S.A.

  A)
   A-1               B-2      C-4       D-3 done clear
  B)
   A-2               B-1      C-3       D-4 done clear
  C)
   A-4               B-3      C-2       D-1 done clear
  D)
   A-3               B-4      C-1       D-2 done clear
  View Solution play_arrow

• question_answer67)
  Which of the following pairs is not correctly matched?
  A)

  (Current)	(Characteristics)
  Gulf Stream	1. Carries heat to western coast of Europe

  done clear
  B)

  (Current)	(Characteristics)
  Labrador current	2. Carries cold water from Baffin Bay

  done clear
  C)

  (Current)	(Characteristics)
  West wind Drift	3. Flows in all the southern oceans.

  done clear
  D)

  (Current)	(Characteristics)
  Humboldt current	4. Warm current along the African coast

  done clear
  View Solution play_arrow

• question_answer68)
  The important fishing grounds of the world are found in the regions where
  A)
   Warm and cold atmospheric currents meet. done clear
  B)
   Rivers drain out large amounts of fresh water into the sea. done clear
  C)
   Warm and cold oceanic currents meet. done clear
  D)
   Continental shelf is undulating. done clear
  View Solution play_arrow

• question_answer69)
  Match List I with List II and find out the correct answer by using the codes given below:

  (Current)	(Origin)
  A. Labrador current	1. Baffin Bay
  B. North-East Monsoon Drift	2. Strait of Malacca
  C. Kurile current	3. Okhotsk Sea
  D. North Atlantic Equatorial Current	4. West coast of Africa

  A)
  A-3       B-4       C-1       D-2 done clear
  B)
  A-2       B-1       C-4       D-3 done clear
  C)
  A-1       B-2       C-3       D-4 done clear
  D)
  A-4       B-3       C-2       D-1 done clear
  View Solution play_arrow

• question_answer70)
  Consider the following statements

  1. Ocean currents have great effect on the temperature of the ocean water.

  2. Ocean currents are deeply influenced by local winds.

  3. Labrador Current sinks down the below the Gulf Stream and flows as a sub-surface current.

  4. Ocean currents are not affected by Carioles force.

  Which of the above statements are correct?
  A)
   1 and 2 only     done clear
  B)
   1 and 3 only done clear
  C)
   3 and 4 only     done clear
  D)
   2 and 4 only done clear
  View Solution play_arrow

• question_answer71)
  Imager Current is a branch of
  A)
   Canaries current done clear
  B)
   Labrador current done clear
  C)
   North Atlantic current done clear
  D)
   Beguele current done clear
  View Solution play_arrow

• question_answer72)
  Consider the following statements

  1. Saragossa Sea is a 'gyre' of calm and motionless sea.

  2. Saragossa Sea is surrounded by warm currents on all sides.

  3. Saragossa Sea has higher salinity than the neighboring sea.

  4. Saragossa Sea is not fit for navigation.

  Which of the above statements are correct?
  A)
   1, 2 and 3 only              done clear
  B)
   2, 3 and 4 only done clear
  C)
   1, 2 and 4 only              done clear
  D)
   1, 3 and 4 only done clear
  View Solution play_arrow

• question_answer73)
  Consider the following statements

  1. Spring tides occur at the time of full moon.

  2. Neap tides occur at the time of new moon.

  A)
   Only 1 is correct done clear
  B)
   Only 2 is correct done clear
  C)
   Both 1 and 2 are correct done clear
  D)
   Neither 1 nor 2 is correct done clear
  View Solution play_arrow

• question_answer74)
  The duirnal tides occur in

  1. Gulf of Tonkins and Thailand

  2. Java Sea

  3. Bismark and Solomon Sea N and E island' of New Guinea

  4. Along much of the Pacific coast

  A)
   Only 1 is incorrect done clear
  B)
   1 and 2 are incorrect done clear
  C)
   3 and 4 are incorrect done clear
  D)
   Only 4 is incorrect done clear
  View Solution play_arrow

• question_answer75)
  Match List I with List II and find out the correct answer by using the codes given below

  List I (Theory of Tidal Oragins)	List II (Scholar)
  A. Equilibrium Theory	1. Laplace
  B. Dynamic Theory	2. William Whewell
  C. Progressive wave	3. Newton Theory
  D. Stationary wave	4. R.A. Harris Theory

   
  A)
   A-1      B-3       C-2       D-4 done clear
  B)
   A-3      B-1       C-2       D-4 done clear
  C)
  A-2       B-4       C-3       D-1 done clear
  D)
  A-4       B-2       C-1       D-3 done clear
  View Solution play_arrow

• question_answer76)
  Which is the correct sequence in descending order of tidal range in the Pacific Ocean?
  A)
   Cape Horn, Yokohama, Honolulu, That done clear
  B)
   Yokohama, Honolulu, That, Cape Horn done clear
  C)
   Honolulu, That, Cope Horn, Yokohama done clear
  D)
   That, Cape Horn, Yokohama, Honolulu done clear
  View Solution play_arrow

• question_answer77)
  Which of the following conditions is not suitable for the occurrence of a tidal bore?
  A)
   Narrow, low-lying shallow, constrict coastal river with gentle slope done clear
  B)
   A narrow bay with tapering head done clear
  C)
   A small tide with wave height less than 2 metres done clear
  D)
   Decreasing depth of water with increasing distance inland from the coast done clear
  View Solution play_arrow

• question_answer78)
  Consider the following statements: 1. Moon is more effective than the sun for generating tides on the earth. 2. Spring tides are produced by the combined gravitational pull of moon and sun when moon, sun and earth are in the same line. 3. Each day a tide is experienced at the same time Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   1 and 2 only done clear
  C)
   2 and 3 only     done clear
  D)
   1,2 and 3 done clear
  View Solution play_arrow

• question_answer79)
  Which of the following statements is not correct?
  A)
   Atlantic Ocean is the youngest of all the oceans. done clear
  B)
   Pacific Ocean has larger number of islands than any other ocean of the world. done clear
  C)
   No part of the mid Atlantic Ridge emerges out of the ocean water. done clear
  D)
   North Indian Ocean is characterized by seasonal reversal of direction of its currents. done clear
  View Solution play_arrow

• question_answer80)
  Which of the following is not the major cause of tsunamis in the ocean?
  A)
   Earthquakes     done clear
  B)
   Volcanoes done clear
  C)
   Landslides         done clear
  D)
   Cyclones done clear
  View Solution play_arrow

• question_answer81)
  Consider the following statements 1. In deep sea, tsunamis travel at very high speeds varying from 500 to 700 km ph. 2. Their speed is further increased when they reach the coast Which of the above statements is/are correct?
  A)
   1 only      done clear
  B)
   2 only done clear
  C)
   Both 1 and-2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer82)
  Consider the following statements: 1. Tsunamis have very short wave length and high amplitude in the deep sea. 2. As the tsunamis reach the coast, their wave length increases and amplitude decreases. Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer83)
  Consider the following statements 1. Pacific is the most vulnerable ocean with respect to tsunamis. 2. India has developed a perfect tsunami warning system in the Indian Ocean. Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2    done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer84)
  Which of the following countries suffered maximum loss of life by the tsunami in the Indian Ocean on 26th December 2004.
  A)
   India                            done clear
  B)
   Sri Lanka done clear
  C)
   Indonesia      done clear
  D)
   Thailand done clear
  View Solution play_arrow

• question_answer85)
  Examine the following statements and select the correct answer using the codes given below 1. Isotherm of \[{{20}^{o}}C\] determines the pole ward growth of corals. 2. Rise in temperature during the El Nino event can lead to coral bleaching. 3. Corals grow well at greater depths in the sea where sun light cannot reach. 4. Corals thrive well in those ocean waters where salinity varies from 27% to 30% Code:
  A)
   1,2 and 3 are correct done clear
  B)
   2, 3 and 4 are correct done clear
  C)
   1,3 and 4 are correct done clear
  D)
   1,2 and 4 are correct done clear
  View Solution play_arrow

• question_answer86)
                                                                                     Consider the following factors.

  1. Temperature between \[{{18}^{o}}C\] and \[{{20}^{o}}C\]

  2. Upwelling of cold water

  3. Salinity above \[{{40}^{o}}\] %o

  4. Turbidity

  5. Fresh water

  6. Submarine Plate forms

  Which of the above factors are not suitable for the growth of corals?
  A)
   1, 2, 3 and 4                 done clear
  B)
   3, 4, 5 and 6 done clear
  C)
   2, 3, 4 and 5   done clear
  D)
   1,3, 5 and 6 done clear
  View Solution play_arrow

• question_answer87)
  Which of the following statements is not correct?
  A)
   A fringing reef lies close to the shore. done clear
  B)
   A barrier reef is separated from land by a lagoon. done clear
  C)
   World's largest barrier reef lies along the coast of New South Wales in Australia. done clear
  D)
   An atoll is a ring shaped island. done clear
  View Solution play_arrow

• question_answer88)
  Consider the following statements regarding barrier reefs:

  1. Barrier reefs are separated from the mainland by a lagoon.

  2. Landward slope of a barrier reef is steeper than its seaward slope.

  3. Barrier reefs are always found as continuous chain.

  4. The surface of barrier reef is composed of boulders, coral debris and sand deposits

  Which of the above statements are correct?
  A)
   1 and 2            done clear
  B)
   2 and 3 done clear
  C)
   3 and 4            done clear
  D)
   1 and 4 done clear
  View Solution play_arrow

• question_answer89)
  Consider the following statements

  1. Most of the coral reefs of the world are confined within the tropics.

  2. The Great Barrier Reef of Australia is the largest in the world and extends for a distance of about two thousand kilo metres between \[{{9.5}^{o}}\] and \[{{22.5}^{o}}\] south latitudes.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2     done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer90)
  Which of the following have coral reefs?

  1. Andaman and Nicobar Islands

  2. Gulf of Kachch

  3. Gulf of Mannar

  4. Sunderban

  Select the correct answer using the codes given below
  A)
   1,2 and 3 only   done clear
  B)
   2 and 4 only done clear
  C)
   1,3 and 4 only               done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer91)
  Which of the following pairs are correctly matched?

  Table I (Theory of origin of coral reefs)	Table II (Propounders)
  1. Subsidence Theory	Darwin
  2. Standstill Theory	Dana
  3. Glacial Theory	Daly

  Code:                                      
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only         done clear
  C)
   1 and 3 only    done clear
  D)
   1, 2 and 3         done clear
  View Solution play_arrow

• question_answer92)
  The largest coral reef in the world is found near the coast of which of the following countries    
  A)
   Australia        done clear
  B)
   Cuba done clear
  C)
   Ghana              done clear
  D)
   Philippines done clear
  View Solution play_arrow

• question_answer93)
  Which of the following statements is not correct?
  A)
   All unconsolidated materials deposited on the ocean floor are known as ocean deposits. done clear
  B)
   Temgenous deposits have their source over the land areas. done clear
  C)
   Pelagic deposits are derived from the sea. done clear
  D)
   Meteoric dust is the main source of ocean deposits,                                 done clear
  View Solution play_arrow

• question_answer94)
  Which of the following pairs are not correctly matched?                                      1. Blue Mud              :    Temgenous Deposits   2. Globigermic Ooze :      Siliceous Deposits     3. Diatom Ooze         :    Calcareous Deposits   4. Red clay                :   Inorganic Deposits Code:
  A)
   1 and 2                        done clear
  B)
   2 and 3 done clear
  C)
   3 and 4                        done clear
  D)
   1 and 2    done clear
  View Solution play_arrow

• question_answer95)
  Which of the following is the correct sequence of deposits on the continental shelf from coast to deeper sea?
  A)
  Gravel, sand, sandy mud, mud done clear
  B)
   Sand, gravel, sandy mud, mud done clear
  C)
   Sandy mud, mud, sand, gravel done clear
  D)
   Mud, sandy mud, gravel, sand done clear
  View Solution play_arrow

• question_answer96)
  Consider the following statements with regard to ocean deposits:

  1. Organic deposits originate in the ocean itself.

  2. Blue mud is the most widely spread of all the muds.

  3. Calcareous deposits consist of remains of those animals which have high proportion of lime.

  Which of the above statements are correct?
  A)
   1 and 2 only     done clear
  B)
   2 and 3 only done clear
  C)
   2 and 3 only     done clear
  D)
   1, 2 and 3 done clear
  View Solution play_arrow

• question_answer97)
  Which of the following statements regarding mangroves is not correct?
  A)
   They are found in low muddy coasts of tropical and subtropical regions. done clear
  B)
   They can survive both in fresh water and salty sea water done clear
  C)
   They do not provide any timber wood. done clear
  D)
   Sundri in the Sundarban delta is a typical example of mangrove vegetation. done clear
  View Solution play_arrow

• question_answer98)
  Consider the following statements.

  1. Exclusive economic zone extends to a distance of 200 nautical miles.

  2. High seas can be used only by the concerned nation.

  Which of the above statements is/are correct?
  A)
   1 only      done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer99)
  Consider the following countries

  1. Denmark

  2. Japan

  3. Russian Federation

  4. United Kingdom

  5. United States of America

  Which of the above are the members of the 'Arctic Council'?
  A)
   1, 2 and 3        done clear
  B)
   2, 3 and 4 done clear
  C)
   1, 4 and 5         done clear
  D)
   1, 3 and 5 done clear
  View Solution play_arrow

• question_answer100)
  Consider the following statements

  1. Base line is an imaginary line joining the land projecting towards the sea.

  2. Sea water lying between coastline and baseline is known as internal water.

  3. Territorial water of a nation extends upto 12 nautical miles from the base line.

  4. Oceans outside the exclusive economic zone are considered as high seas.

  Which of the above statements are correct?
  A)
   1 and 2 only     done clear
  B)
   1, 2 and 3 only done clear
  C)
   2, 3 and 4 only              done clear
  D)
   1, 2, 3 and 4 done clear
  View Solution play_arrow

• question_answer101)
  Consider the following statements

  1. Saline sea water which is refined and transformed into fresh water is known as 'manufactured water'

  2. All coastal areas of India have sands which contain large quantities of monazite.

  Which of the following statements is/are correct?
  A)
   1 only     done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer102)
  Consider the following statements

  1. Indian Ocean contains the largest deposits of manganese nodules.

  2. Arctic Ocean has become a major source of attraction for the countries surrounding this ocean due to its large deposits of valuable minerals.

  Which of the above statements is/are correct?
  A)
   1 only                          done clear
  B)
   2 only done clear
  C)
   Both 1 and 2                 done clear
  D)
   Neither 1 nor 2 done clear
  View Solution play_arrow

• question_answer103)
  Match the following and find out the correct answer by using the codes given below.

  List I (Feature)	List II (Example)
  A. Strait	1.  Malacca
  B. Sea	2. Caribbean
  C. Gulf	3. Bothnia
  D. Isthmus	4. Panama

  Code:
  A)
   A-1               B-2      C-3       D-4 done clear
  B)
   A-3               B-1      C-4       D-2 done clear
  C)
   A-2               B-3      C-1       D-4 done clear
  D)
   A-4               B-2      C-3       D-1 done clear
  View Solution play_arrow

• question_answer104)
  Through which one of the following straits does a channel connect the United Kingdom and France?                                             
  A)
   Davis Strait      done clear
  B)
   Strait of Dover          done clear
  C)
   Denmark Strait              done clear
  D)
   Strait of Gibraltar   done clear
  View Solution play_arrow

• question_answer105)
           Which of the following straits is nearest to the International Date Line?                                 
  A)
   Malacca Strait               done clear
  B)
   Strait of Florida         done clear
  C)
   Bering Strait     done clear
  D)
   Strait of Gibraltar done clear
  View Solution play_arrow