hydrosphere & oceanography section 6 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 16

What is the triangular landmass that forms at its mouth when a river splits into several branches just before entering the sea?

a) Delta

b) Estuary

c) Cape

d) Island

Question : 17 [SSC SIG 2006]

Echo sounding is the tech-nique applied to—

a) record the density of air in the atmosphere

b) record earthquake waves

c) measure the depth of the sea

d) measure the amplitude of sound waves

Question : 18 [UPPCS (Pre) 1999]

Spring Tide occurs

a) When the night is very cold

b) When a strong wind blows

c) When the Sun, the Earth and Moon are in a straight line

d) When the Sun and Moon make a right angle

Question : 19 [UGC (Geog) 2016]

Identify the correct statement regarding variation in density of ocean water and air at the same temperature—.

a) Ocean water is 200 times more denser than air.

b) Ocean water is 400 times more denser than air.

c) Ocean water is 800 times more denser than air.

d) Ocean water is 600 times more denser than air.

Question : 20 [NDA 2016-II]

Which one among the following is a sea without having a coastline?

a) Bering sea

b) Baltic sea

c) North sea

d) Sargasso sea