hydrosphere & oceanography section 4 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 41 [SSC CPO 2004]

A place where there is constant intermingling of salt water and fresh water is ____

a) Bay

b) Gulf

c) Estuary

d) Delta

Answer: (c)

Estuaries form a transition zone between river environments and ocean environments and are subject to both marine influences, such as tides, waves, and the influx of saline water; and riverine influences, such as flows of fresh water and sediment.

The inflow of both seawater and freshwater provide high levels of nutrients in both the water column and sediment, making estuaries among the most productive natural habitats in the world.

Question : 42

Which of the following seas has the highest salinity?

a) Dead sea

b) Red sea

c) Caspian sea

d) Mediterranean sea

Answer: (a)

Dead sea has the highest salinity. The Dead Sea is 306 m (1,004 ft) deep, the deepest hypersaline lake in the world. With 34.2% salinity (in 2011), it is also one of the world’s saltiest bodies of water.

Question : 43 [UP UDA/LDA 2010]

The tension of gravitational water in the ground is

a) At 15 atmosphere

b) At 5 atmosphere

c) below 1/3 atmosphere

d) At 1.25 atmosphere

Answer: (c)

Question : 44 [UGC (Geog) 2016]

Which one of the following bays has the highest tides in the world?

a) Bay of Khambat

b) Bay of Fundy

c) Bay of Bengal

d) Hudson Bay

Answer: (b)

The Bay of Fundy, a bay on the Atlantic coast of North America. It is known for having the highest tidal range in the world.

Question : 45 [BPSC (Pre) 2016]

Which of the following seas has the highest average salinity?

a) Dead Sea

b) Mediterranean Sea

c) Black Sea

d) Yellow Sea

Answer: (a)

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