Q3 of 39 Page 100

Consider the given statements:

Statement I: Mountain ranges are formed by the collision of tectonic plates


Statement II: The movement of tectonic plates is due to the thermal energy from the mantle


a. Statement I is false II is true


b. Statement I and II are false


c. Statement I is true II is false


d. Statement I and II are true


The continuous movement of the tectonic plates leads to the changes in the earth’s surface. The collision of these plates produces irregular surface and mountain ranges both on the land surface and the oceanic floor. This phenomenon is known as plate tectonics. The movement of the tectonic plates is due to the thermal energy from the mantle.

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3 A

Consider the given statements:

i. Mt. Fuji is a dormant volcano


ii. Mt. Kilimanjaro is a dormant volcano


iii. Mt. Tanzania is a dormant volcano


Which of the statement(s) is are true


a. i is true


b. ii is true


c. iii is true


d. i, ii, iii are true


 3 B

Consider the given statements:

Statement: Magma gushes out when it finds vents.


Reason: Interior of the Earth contains compressed hot magma


Which of the statement(s) is are true


a. Statements & reason are true


b. Statements are true, the reason is false


c. Statement is false reason is true


d. Statement & reason are false


 4 A

Answer the following in one or two sentences:

Write a brief note on the various spheres of the Earth.


 4 B

Answer the following in one or two sentences:

Mention the layers of the interior of the Earth.