1. Which among the following is/are cold currents in the Indian Ocean?
- Somali current
- West Australian current
- Mozambique current
- All of the above
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Answer: All of the above
Cold currents in the Indian Ocean include Somali current, West Australian current, and Mozambique current.
2. Which among the following is not a cold current in the Atlantic Ocean?
- Falkland current
- Labrador current
- Brazilian current
- Benguela current
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Answer: Brazilian current
The Brazilian current is not a cold current in the Atlantic Ocean.
3. Which among the following is/are cold currents in the Atlantic Ocean?
- Canaries current
- Labrador current
- Benguela current
- All 1, 2, 3
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Answer: All 1, 2, 3
The cold ocean currents in the Atlantic Ocean are: Labrador, Canary, Falkland, and Benguela current.
4. Which among the following is/are warm ocean currents in the Atlantic Ocean?
- Gulf Stream
- Canaries current
- Florida current
- All of the above
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Answer: Gulf Stream
One of the strongest ocean currents, Gulf Stream is a warm ocean current in the Atlantic Ocean. The warm ocean currents in the Atlantic Ocean are: Gulf stream, North Atlantic drift, Brazillian current.
5. Which of the following is/are cold ocean currents in the Pacific Ocean?
- Kuroshio current
- Humboldt current
- Oyashio current
- All 1, 2,3
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Answer: All 1, 2,3
Cold ocean currents in the Pacific Ocean include the Kuroshio current, Humboldt current, and Oyashio current.
6. Which of the following statements is/are correct about Ocean Currents?
- The difference in heating and surface temperatures play a key role in movements of ocean water.
- Due to Coriolis force, the movement of ocean currents in the northern hemisphere is in the clockwise and in the southern hemisphere it is in the anti-clockwise direction.
- Both 1 & 2
- Neither 1 & 2
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Answer: Both 1 & 2
The differential heating of the Sun at the equator and the poles causes a difference in the temperature of ocean water, which plays a key role in the movements of ocean water. Under the action of Coriolis force, the movement of ocean currents in the northern hemisphere is in the clockwise direction and in the southern hemisphere, it is in the anti-clockwise direction.
7. Which of the following statements is/are correct about Ocean Currents?
- Warm currents flow from equatorial regions towards the polar regions and hence have a higher surface temperature.
- Cold currents flow from polar regions towards the equator and have a lower surface temperature.
- Both 1 & 2
- Neither 1 & 2
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Answer: Both 1 & 2
Warm currents flow from equatorial regions towards the polar regions and have a higher surface temperature. Cold currents flow from polar regions towards the equator and have a lower surface temperature.
8. What is the general distribution of winds in the lower atmosphere called?
- Cyclones
- Planetary winds
- Jet streams
- Loo
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Answer: Planetary winds
The general distribution of winds in the lower atmosphere is called Planetary winds.
9. Which factors are responsible for ocean currents?
- Planetary winds
- Temperature
- Earth’s Rotation
- All 1, 2, 3
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Answer: All 1, 2, 3
Ocean currents are influenced by Planetary winds, Temperature, and Earth’s Rotation, as well as Salinity.
10. Oceanography – Ocean Currents, Coastal Climate
- Tides
- Tsunamis
- Ocean currents
- WavesWaves
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Answer: Ocean currents
Ocean currents are the large masses of surface water that circulate in regular patterns around the oceans.
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