6. The ocean surface currents follow clockwise circulatory paths in the northern parts of the Pacific and Atlantic oceans due to the

1. 1. convergence and divergence movements

   
   
   

   2. Corioli's force

   
   
   

   3. density difference in sea water

   
   
   

   4. impact of prevailing winds

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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7. Tidal range is quite high

1. 1. in equatorial regions of ocean

   
   
   

   2. in shallow continental shelves

   
   
   

   3. in narrow estuaries

   
   
   

   4. around island

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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8. Which of the following is a warm current ?

1. 1. South Pacific current

   
   
   

   2. Kuroshio current

   
   
   

   3. Labrador current

   
   
   

   4. Rip current

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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9. Which one of the following is NOT correctly matched ?

1. 1. Humbolt current- North pacific ocean

   
   
   

   2. Brazil current - South Atlantic

   
   
   

   3. Agulhas current - Indian ocean

   
   
   

   4. Gulf stream - North Atlantic ocean

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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10. Which of the following factors are responsible for the change in the regular direction of the ocean currents in the Indian Ocean ?

1. 1. Indian Ocean is only 'half an ocean'

   
   
   

   2. Indian ocean has monsoon drift

   
   
   

   3. Indian ocean is a landlocked ocean

   
   
   

   4. Indian ocean has greater variations in salinity

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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