Earth and Its Structure NDA Questions

NDA Physical Geography

Earth and Its Structure MCQ Questions


7.
Meteors provide indirect information about Earth's interior because:
A.
They carry gases from Earth's core
B.
They originate from Earth's mantle
C.
They are made of materials similar to Earth's interior
D.
They strike the Earth's crust directly
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ANSWER :
C. They are made of materials similar to Earth's interior
8.
The 'Deep Ocean Drilling Project' and 'Integrated Ocean Drilling Project' were launched primarily to:
A.
Study tsunami generation
B.
Discover marine life at deep levels
C.
Map ocean floor relief
D.
Explore conditions in the crustal portions of the Earth
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ANSWER :
D. Explore conditions in the crustal portions of the Earth
9.
What is an earthquake in simple terms?
A.
Shaking of the Earth due to release of energy
B.
Movement of ocean waters
C.
Collapse of underground mines
D.
Volcanic eruption at the surface
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ANSWER :
A. Shaking of the Earth due to release of energy
10.
The point inside the Earth where earthquake energy is released is called:
A.
Epicentre
B.
Seismic zone
C.
Fault plane
D.
Focus (Hypocentre)
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ANSWER :
D. Focus (Hypocentre)
11.
The epicentre of an earthquake is:
A.
The area of maximum destruction
B.
The centre of the earthquake zone
C.
The point on the surface directly above the focus
D.
The deepest point of energy release
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ANSWER :
C. The point on the surface directly above the focus
12.
What is a 'fault' in geological terms?
A.
A volcanic crater
B.
A depression in the ocean floor
C.
A layer between crust and mantle
D.
A sharp break in crustal rocks along which rocks tend to move
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ANSWER :
D. A sharp break in crustal rocks along which rocks tend to move