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Hydrosphere - Section 1

1:  

The most salty sea in the world is

A.

Dead Sea

B.

Red Sea

C.

Ural Sea

D.

Black Sea

 
 

Option: C

Explanation :

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2:  

In the ocean, water moves horizontally over vast areas due to

A.

Slope of the ocean floor

B.

Waves

C.

Density difference

D.

Currents

 
 

Option: C

Explanation :

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3:  

Which of the following are the factors that are mainly responsible for the movements of surface oceanic currents?

1. Prevailing winds

2. Earth's Rotation

3. Earthquake activity

4. Bottom Topography

5. Difference in the density of sea water

A.

1, 2 and 3

B.

1, 2 and 4

C.

1, 2 and 5

D.

3, 4, and 5

 
 

Option: C

Explanation :

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4:  

Which is the smallest among the following water bodies?

A.

Arctic Sea

B.

Hudson Bay

C.

Japan Sea

D.

Okhotsk Sea

 
 

Option: C

Explanation :

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5:  

The phenomenon of an opening occurring in the earth's surface through which a jet of hot water and steam is forced out at regular intervals, is called

A.

Gorge

B.

Stream

C.

Geyser

D.

Canyon

 
 

Option: C

Explanation :

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