Hydrosphere - Section 1

36:  

The Ocean currents transfer heat from

A.

one sea or ocean to another

B.

one coast to another

C.

the surface of the sea to greater depths

D.

lower to higher altitudes

 
 

Option: D

Explanation :

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37:  

What is the average salt content in a litre of sea water?

A.

39 gm

B.

37 gm

C.

35 gm

D.

32 gm

 
 

Option: C

Explanation :

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38:  

'Tides' are best defined as

A.

Wind and pressure system having a low pressure at the centre and a circular wind motion

B.

Great circulatory movement of ocean water caused by difference in the density of sea water

C.

Periodic rise and fall of sea water caused by the gravitational force of Moon and Sun on Earth

D.

Powerful movement of the ocean which moves constantly in a definite direction

 
 

Option: C

Explanation :

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39:  

The warm ocean current of the west Pacific which sets in close to Philippines running north eastward past Formusa and the Southern Islands of Japan is called

A.

Gulf Stream

B.

Kuroshio current

C.

Brazil current

D.

Benguela current

 
 

Option: B

Explanation :

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40:  

Gulf Stream carries

A.

warm equatorial water to West American coast

B.

warm equatorial water to the eastern coast of Brazil

C.

warm equatorial water to the western coast of Europe

D.

cold polar water to East American coast

 
 

Option: C

Explanation :

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