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11.

Sargasso sea is located in:

A.	North Pacific Ocean	B.	North Atlantic Ocean
C.	South Pacific Ocean	D.	Indian Ocean

12.

The North and South Equatorial currents are caused by:

A.	Differencein temperatures	B.	The prevailing trades
C.	The prevailing westerlies	D.	None of these

13.

The world's deepest trench is in:

A.	Pacific Ocean	B.	Indian Ocean
C.	Atlantic Ocean	D.	Mediterranean Sea

14.

The tide at its maximum height is known as:

A.	Equinox	B.	Neap tide
C.	Spring tide	D.	Tsunami

15.

The Benguela current touches:

A.	The eastern coast of South America	B.	West African coast
C.	India coast	D.	None of these

16.

A huge mass of ice fed by snow on a high mountain slowly sliding downhill before it starts melting is called:

A.	Avalanche	B.	Glacier
C.	Iceberg	D.	None of these

17.

The greatest known ocean depth which lies in the Pacific Ocean is:

A.	8890 m	B.	11033 m
C.	10000 m	D.	12008 m

18.

Which is the smallest among the following water bodies?

A.	Arctic Sea	B.	Hudson Bay
C.	Japan Sea	D.	Okhotsk Sea

19.

Which ocean current is popularly known as warm blanket of Europe?

A.	East Australian current	B.	Gulf Stream
C.	Brazil current	D.	Equatorial current

20.

Gulf Stream carries:

A.	Warm equatorial water to West American coast	B.	Warm equatorial water to eastern coast of Brazil
C.	Warm equatorial water to the western coast of Europe	D.	None of these