Q1 C of 34 Page 82

Choose the correct answer:

Ocean currents are produced due to _________


OPTION D is correct because all the given factors play a role in producing ocean currents.


Due to variation in temperature, there is warm and cold ocean currents.


Due to earth’s movement around the sun and moon’s movement around the earth, there is tidal forces acting on water bodies.


Due to earth’s rotation, there is the Coriolis force that push the ocean currents to rotate in opposite directions in each hemisphere.


Hence, all of the above factors influence the creation and the movement of the ocean currents.

More from this chapter

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1 A

Choose the correct answer:

The Sunda Trench lies in the ___________ ocean.


 1 B

Choose the correct answer:

The temperature of the ocean waters generally_______ at greater depth.


 1 D

Choose the correct answer:

Consider the following statements.


1. Most of the fishing grounds occur in areas where the continental shelf is wide.


2. Fishing is well developed in warm tropical waters.


3. Mixing of warm and cold currents facilitates plant nutrients for fish.


4. Inland fishing became significant in India.


 1 E

Choose the correct answer:

The oceanic ridge comes into existence due to