hydrosphere & oceanography section 3 Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6 [MPPCS (Pre) 1993]

Formation of delta is affected by

a) Deep sea

b) Strong winds

c) Rocks

d) Tide-ebb

Question : 7 [SSC ASI 2-13]

The rapidly growing mass of phytoplankton covering the surface water of a lake or pond is known as :

a) Water hyacinth

b) Water pollution

c) Eutrophication

d) Water bloom

Question : 8 [UPPCS (Pre) 1991]

Which is the world’s deepest trench?

a) Richards

b) Manhattan

c) Northern

d) Challenger

Question : 9 [UPPCS (Mains) 2007]

Persian Gulf does not form border with

a) Oman

b) Kuwait

c) Bahrain

d) Iraq

Question : 10 [SSC FCI Assistant Grade 2012]

Tsunamis are cuased by

a) volcanic eruption

b) changes in sea level

c) mixing of cold and warm currents

d) earthquakes