UPSC Geography Drainage Question Bank

done Hydrosphere Total Questions - 39

• question_answer1)
  Which one of the following factors is responsible for the change in the regular direction of the ocean currents in the Indian Ocean?
  A)
   Indian Ocean is half an ocean done clear
  B)
   Indian Ocean has monsoon drift done clear
  C)
   Indian Ocean is a land-locked ocean done clear
  D)
   Indian Ocean has greater variation in salinity done clear
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• question_answer2)
  Maximum thickness of sediments is found over
  A)
   Abyssal floor done clear
  B)
   Continental shelves and slopes done clear
  C)
   Continental slopes and rises done clear
  D)
   Oceanic ridges done clear
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• question_answer3)
  The seaward extension of the continent from shoreline to the continental edge is called
  A)
   Continental rise     done clear
  B)
   Continental slope done clear
  C)
   Continental shelf            done clear
  D)
   None of the above done clear
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• question_answer4)
  A submarine mountain or peak rising more than 1000 m above the ocean floor is known as
  A)
   Guyots                done clear
  B)
   Seamounts done clear
  C)
   Abyssal hills         done clear
  D)
   Trenches done clear
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• question_answer5)
  Dolphin Challenger Ridge is located in
  A)
   Atlantic Ocean    done clear
  B)
   Pacific Ocean done clear
  C)
   Arctic Ocean                    done clear
  D)
   Indian Ocean done clear
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• question_answer6)
  When water freezes in the polar seas the salts
  A)
   form a layer on top done clear
  B)
   remain in the sub-surface water that does not freeze done clear
  C)
   sink to the bottom done clear
  D)
   partly freeze and partly sink to the bottom done clear
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• question_answer7)
  The winter temperatures of north-western Europe are higher than those of eastern Europe in the same latitudinal zone because
  A)
   it is on the western side of the continent done clear
  B)
   it is near the sea done clear
  C)
   it receives only light falls of snow done clear
  D)
   it lies under westerly winds which blow over the Gulf Stream Drift done clear
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• question_answer8)
  Arrange parts of ocean floor according to increasing distance from the coast.
  A)
   continental slope, continental shelf, continental rise, deep sea plain done clear
  B)
   continental shelf, continental rise, deep sea plain, continental slope done clear
  C)
   continental shelf, continental slope, continental rise, deep sea plain done clear
  D)
   continental rise, continental shelf, continental slope, deep sea plain done clear
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• question_answer9)
  What is Gulf Stream?
  A)
   A cold current in the Atlantic Ocean done clear
  B)
   A cold current in the Pacific Ocean done clear
  C)
   A warm current in the Atlantic Ocean done clear
  D)
   A warm current in the Pacific Ocean done clear
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• question_answer10)
  The abrupt change of gradient at the edge of the continental shift leads to the formation of an
  A)
   Continental rise  done clear
  B)
   Continental slope done clear
  C)
   Continental shelf            done clear
  D)
   None of the above done clear
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• question_answer11)
  The greatest known ocean deep is
  A)
   Challenger deep                 done clear
  B)
    Richards's deep done clear
  C)
   Java trench                       done clear
  D)
    Yap trench done clear
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• question_answer12)
  What is the triangular landmass that forms at its mouth when a river splits into several branches just before entering the sea?
  A)
   Cape                   done clear
  B)
   Island done clear
  C)
   Estuary                done clear
  D)
   Delta done clear
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• question_answer13)
  From west to east, what are the three main island groups in the Pacific called?
  A)
   Melanesia, Micronesia and Polynesia done clear
  B)
   Polynesia, Micronesia and Melanesia done clear
  C)
   Melanesia Polynesia and Micronesia done clear
  D)
   Micronesia, Polynesia and Melanesia done clear
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• question_answer14)
  Consider the following statements and identify the right ones.

  I. Euphotic zone do not receive solar rays.

  II. Aphotic zone receives solar radiation.

  A)
    I only               done clear
  B)
   II only done clear
  C)
   Both                  done clear
  D)
   None of the above done clear
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• question_answer15)
  The direction of ocean currents is reversed with season in
  A)
   the Indian Ocean           done clear
  B)
   the Pacific Ocean done clear
  C)
   the Atlantic Ocean         done clear
  D)
   no area on earth done clear
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• question_answer16)
  The term 'Apogee' refers to which one of the following?
  A)
   A point in the orbit of the moon at which it is farthest from the earth. done clear
  B)
   A point in the orbit of the moon at which it is nearest to the earth. done clear
  C)
   Portion of surface of the moon opposite to the earth. done clear
  D)
   Portion of surface of the moon facing the earth. done clear
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• question_answer17)
  Where is the ocean current called the 'Gulf Stream' found?
  A)
   Atlantic Ocean  done clear
  B)
   Indian Ocean done clear
  C)
   North Pacific Ocean done clear
  D)
   South Pacific Ocean done clear
  View Solution play_arrow

• question_answer18)
  Sunda Trench lies in
  A)
   Atlantic Ocean        done clear
  B)
   Pacific Ocean done clear
  C)
   Indian Ocean                       done clear
  D)
   Antarctic Ocean done clear
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• question_answer19)
  The exceptionally high and low tides that occur at the time of the new moon or the full moon when the Sun, the Moon and the Earth are approximately aligned is called
  A)
   Spring                      done clear
  B)
   Fall done clear
  C)
   Neap                        done clear
  D)
   Diurnal done clear
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• question_answer20)
  Identify the factors that are affected by ocean currents.
  A)
   Temperature          done clear
  B)
   Precipitation done clear
  C)
   Humidity             done clear
  D)
   All the above done clear
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• question_answer21)
  On the planet earth, most of the freshwater exists as ice caps and glaciers. Out of the remaining freshwater, the largest proportion
  A)
   is found in atmosphere as moisture and clouds done clear
  B)
   is found in freshwater lakes and rivers done clear
  C)
   exists as groundwater done clear
  D)
   exists as soil moisture done clear
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• question_answer22)
  Consider the following statements :

  1. The Labrador current is a cold current in the North Atlantic Ocean.

  2. The Falkland current is a warm current that flows along the Chile coast of South Pacific Ocean.

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

• question_answer23)
  Which one of the following pairs is not correctly matched?
  A)
   Kuroshio: Warm ocean current done clear
  B)
   Labrador:  Warm ocean current done clear
  C)
   Benguela:  Cold ocean current done clear
  D)
   Oyashio:  Cold ocean current done clear
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• question_answer24)
  Which one among the following is a sea without having a coastline?
  A)
   North sea                           done clear
  B)
     Sargasso sea done clear
  C)
   Baltic sea     done clear
  D)
    Bering sea done clear
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• question_answer25)
  Match List I with List II and select the correct answer using the code given below the Lists : List I (Ocean current)

  A. Guinea current

  B. Oyashio current

  C. Canaries current

  D. Kuroshio current

  List II (Oceam current) Code:
  A)
   A-4; B-3; C-1; D-2 done clear
  B)
   A-2; B-3; C-1; D-4 done clear
  C)
   A-2; B-1; C-3; D-4 done clear
  D)
   A-4; B-1; C-3; D-2 done clear
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• question_answer26)
  The most 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 freshwater into the sea done clear
  C)
   warm and cold oceanic currents meet done clear
  D)
   continental shelf is undulating done clear
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• question_answer27)
  Read the following statements and select the correct answer from the codes given below:

  1. Corals are mainly found in the tropical oceans.

  2. Corals need clean sediment free water.

  3. Corals are mainly found in deeper parts of the ocean.

  4. Rain water promotes the growth of corals.

  Codes:
  A)
   1 and 2                          done clear
  B)
   2 and 3 done clear
  C)
   3 and 4                          done clear
  D)
   2 and 4 done clear
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• question_answer28)
  The horizontal distribution of temperature of ocean water is largely affected by

  1. Depth of water in the ocean

  2. Ocean current

  3. Prevailing winds

  4. Latitudes

  Which of the following is correct?
  A)
   1, 2 and 3                        done clear
  B)
   1, 2 and 4 done clear
  C)
   2, 3 and 4                        done clear
  D)
   1, 2, 3 and 4 done clear
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• question_answer29)
  Which one of the following is correctly matched?
  A)
   Gulf of Carpentaria   ? Italy done clear
  B)
   Gulf   of Sidra       ? Libya done clear
  C)
   Gulf of Pohai    ? Thailand done clear
  D)
   Gulf of Tonking              ?Malaysia done clear
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• question_answer30)
  Consider the following statements:

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

  2. 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?
  A)
   1 only done clear
  B)
   2 only done clear
  C)
   Both 1 and 2            done clear
  D)
   Neither 1 nor 2 done clear
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• question_answer31)
  A new type of El Nino called El Nino Modoki appeared in the news. In this context, consider the following statements:

  1. Normal El Nino forms in the Central Pacific Ocean whereas El Nino Modoki forms in Eastern Pacific Ocean

  2. Normal El Nino results in diminished hurricanes in the Atlantic Ocean but El Nino Modoki results in a greater number of hurricanes with greater frequency.

  Which of the statements given above 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_answer32)
  Consider the following statements:

  1. Tides are of great help in navigation and fishing.

  2. High tide enables big ships to enter or leave the harbor safely.

  3. Tide prevents siltation in the harbours.

  4. Kandia and Diamond Harbour are tidal ports.

  Which of these statements are correct?
  A)
   1 and 4                done clear
  B)
   2, 3 and 4 done clear
  C)
   1, 2 and 3                          done clear
  D)
   1,        2, 3 and 4 done clear
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• question_answer33)
  Consider the following statements:

  1. Ocean crusts are denser than the continental crust.

  2. Oceanic crusts are made up of granitic rocks whose composition is silicon and aluminium.

  3. Granitic rocks are lighter in colour than basaltic.

  4. Crust extends upto 70 km under mountains, in contrast to oceans which are about 5 km.

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

• question_answer34)
  Which of the following conditions for the survival of corals are correct?

  1. The water temperature must not fall below 20\[{}^\circ \]C

  2. The depth of water should not exceed 30 fathoms

  3. The salinity should be less than 10%

  4. The water should be free from sediments

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

• question_answer35)
  The chief fishing grounds of the world occur where cold and warm currents meet. This is because.

  1. cold currents are rich in nitrates and phosphates which feed plankton.

  2. Such areas cause the water to become well-aerated.

  3. the warm current brings the right temperature for marine life.

  A)
   1 only                                  done clear
  B)
   2 only done clear
  C)
    1, and 2   done clear
  D)
   1, 2, and 3 done clear
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• question_answer36)
  Which among the following statements about the North Atlantic Drift is/are correct?

  1. It keeps the west coast of Northern Europe ice free.

  2. 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.

  3. It meets the Labrador current near Vancouver Island and causes dense fog.

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

• question_answer37)
  Consider the following statements :

  1. The Labrador current is a cold current in the North Atlantic Ocean.

  2. The Falkland current is a warm current that flows along the Chile coast of South Pacific Ocean.

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

• question_answer38)
  DIRECTIONS: Match List-I with List-II and select the correct answer using the codes given below the lists.

  List-I (Current)	List-II (Ocean)
  Agulhas	(1) North Atlantic
  Aleutian	(2) South Pacific
  Canaries	(3) South Indian
  Humboldt	(4) North Pacific

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

• question_answer39)
  Match List-I with List-II and select the correct answer using the code given below:

  List-I (Current)	List-II (Feature)
  A. Kuroshio current	1. Warm current in  Atlantic Ocean
  B. Peru current	2. Cold current in the Atlantic Ocean
  C. Labrador current	3. Warm current in
  D. Florida current	4. Cold current in the Pacific Ocean

  Codes;
  A)
     A- 3 B- 4    C-2    D-1 done clear
  B)
     A-3   B- 2    C-4    D-1 done clear
  C)
     A- 1   B-4    C-2    D-3 done clear
  D)
     A-1    B-2    C-4    D-3 done clear
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