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World Geography Practice Test: Salinity
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Salinity is the dissolved salt content of a body of water.

World Geography Practice Test: Salinity
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16 Questions

1. When water freeze in the polar seas the salts
2. Which one of the following sequence in the increasing order of salinity concentration in their waters is correct?
3. The highest salinity is found in
4. Assertion (A) : Despite low evaporation and stable stratification of the atmosphere, salinity is high in polar regions. Reason (R) : Sea water freezes leaving the remaining water saline than before. Codes
5. Average salinity of water of Arabian Sea is
6. Major source of oceanic salinity is
7. Salinity in ocean water decreases when
8. The relief of the ocean floor is generally
9. Consider the following conditions:
1. Anticyclone conditions with static air and high temperature
2. Cyclonic conditions with unstable air
3. High precipitatioin with low evaporation
4. Low precipitation with high evaporation High salinity of ocean waters is associated with
10. Assertion (A) : Average ocean salinity generally decreases from equator the pole but tropical zone (20-30º) is characterised by maximum salinity. Reason (R) : The tropical zone owes its high salinity to high temperature, high evaporation and significantly low rainfall. Codes
11. What is the average salt content in a liter of sea water?
12. Sea water is saltier than rain water because
13. The favourable percentage of sea water salinity from the point of view of fish production is
14. Match List-I with List-II and select the correct answer using the codes given below the lists: List-I List-II
A. Gulf Stream 1. Pacific Ocean
B. West wind drift
2. A slow Eastward movement of water over the zone of Westerly winds
C. Peru current 3. Indian Ocean
D. West Australian current
4. Warm current Codes A B C D
15. Assertion (A) : The amount of salinity in the tropical coasts of continents. Reason (R) : The trade wind causes upwelling of water in the Western coasts and the water is piled up in the Eastern coasts of continents. Codes
16. Assertion (A) : Oceanic salinity is higher along Tropics of Cancer and Capricorn. Reason (R) : Increased evaporation coupled with relatively more insolation along these latitudes causes higher oceanic salinity. Codes