Earth and Its Structure NDA Questions

NDA Physical Geography

Earth and Its Structure MCQ Questions


7.
The Earth's crust is divided into two types: continental and ________.
A.
Oceanic
B.
Lithospheric
C.
Mantle
D.
Asthenosphere
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ANSWER :
A. Oceanic
8.
The boundary between the Earth's crust and the mantle is called the ________.
A.
Moho
B.
Lithosphere
C.
Tectonic plate boundary
D.
Core-Mantle boundary
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ANSWER :
A. Moho
9.
The Earth's outer core is ________.
A.
Solid
B.
Liquid
C.
Gaseous
D.
Semi-solid
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ANSWER :
B. Liquid
10.
Which layer of the Earth is responsible for generating the Earth's magnetic field?
A.
Mantle
B.
Outer Core
C.
Crust
D.
Inner Core
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ANSWER :
B. Outer Core
11.
The movement of tectonic plates is driven by ________.
A.
Wind
B.
Convection currents
C.
Gravity
D.
Solar energy
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ANSWER :
B. Convection currents
12.
The MohorovičiΔ‡ discontinuity is the boundary between the ________ and the ________.
A.
Mantle, Core
B.
Crust, Mantle
C.
Mantle, Atmosphere
D.
Crust, Inner Core
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ANSWER :
B. Crust, Mantle