Ocean Salinity: MCQ Test
16 questions · pick one option for each · submit when you finish to see your score and the correct answers.
Question 1 of 16
The sea which is different from the other three in terms of salinity is-
- ARed Sea
- BBlack Sea
- CDead Sea
- DMediterranean Sea
Question 2 of 16
The average salinity of the water of the Arabian Sea is-
- A25 ppt
- B35 ppt
- C45 ppt
- D55 ppt
Question 3 of 16
The reason for the relatively high salinity in the North Sea is-
- Amore evaporation
- Bscanty rainfall
- CNorth Atlantic Current
- Dover temp
Question 4 of 16
The average salinity of sea water is-
- A0.2
- B0.25
- C0.3
- D0.35
Question 5 of 16
The reason for high salinity in the Dead Sea is-
- Ahigh temperature
- Bscanty rainfall
- Cstagnant water
- Dhighest rate of evaporation
Question 6 of 16
The salt found in the highest quantity in sea water is-
- Acalcium chloride
- Bsodium chloride
- Ccalcium sulfate
- Dmagnesium sulfate
Question 7 of 16
The source of ocean salinity is-
- Arivers
- Bvolcanic ash
- Cwind
- Dland
Question 8 of 16
The correct sequence of the following oceans in descending order of salinity is-
- ARed Sea, Black Sea, Arctic Sea
- BRed Sea, Arctic Sea, Black Sea
- CBlack Sea, Red Sea, Arctic Ocean
- DBlack Sea, Arctic Sea, Red Sea
Question 9 of 16
The reason for the low salinity in the Black Sea is-
- Astagnation of water
- Blow temperature
- Clow evaporation
- DSupply of clean water by rivers
Question 10 of 16
Which of the following oceans has the highest salinity?
- AAtlantic Ocean
- Bpacific ocean
- CIndian Ocean
- DArctic Ocean
Question 11 of 16
Generally, the salinity of ocean water increases with the increase in depth -
- Aincreases
- Bdecreases
- CRespect remains
- Dgradually increases
Question 12 of 16
The highest salinity in the world is found in-
- Ain the Great Salt Lake
- Bin the Dead Sea
- Cin the Pacific Ocean
- DAt Lake Van
Question 13 of 16
Between which latitudes is the highest amount of salinity found in ocean water?
- A0⁰ between 10° and 15° latitude
- BBetween 10° and 20° latitude
- CBetween 20° and 40° latitude
- DBetween 40° and 60° latitude
Question 14 of 16
Salinity of ocean water in high latitudes during summer-
- Adecreases
- Bincreases
- Cremains the same
- Dnone of these
Question 15 of 16
In which ocean is the highest salinity found?
- ADead Sea
- BRed Sea
- CIndian Ocean
- DArabian Sea
Question 16 of 16
The highest salinity of ocean water is found in
- Anear 0° latitude
- Bnear 25° latitude
- Cnear 35° latitude
- Dnear 45° latitude