Q4 of 21 Page 28

Observe the map on Pg. 27 in 'Give it a try' and answer the following questions:

(a) Madagascar and Sri Lanka are related to which landform of the ocean floor?


(b) Near which continent are these landforms located?


(c) Which islands in our country are examples of peaks of submerged mountains?

(a) These can be considered as Marine Islands i.e. as peaks of the submerged mountains and hills on the ocean bed.


(b) Sri Lanka is located near Asia and Madagascar near African continent.


(c) Andaman and Nicobar Islands. These are considered to be emergent peaks of a submerged mountain range related to the Arakan Yoma range of Myanmar.


More from this chapter

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3

Give geographical reasons:

The continental slope is considered to be the boundary of continents.

 3

Give geographical reasons:

The disposal of waste materials in the oceans by man is harmful to the environment.

 1

Prepare a model of the ocean floor.

 1

• Continents and oceans are a part of the lithosphere and hydrosphere respectively.

• Continents and oceans lie on plates


• During low tides, the level of ocean water goes down and the land below the water near the coast is exposed.


• Ships wreck when they strike against the rocks in the ocean.


If the above points are correct, then select the most appropriate option from the following:


The surface of the earth is occupied by land and water


There is land below the ocean too.


Even if the water has the same level, the land submerged is not even.


The level of water and land is uneven.


Discuss in the class regarding the choice of your options. Know from your teachers about the correct option.