Earth and Its Structure NDA Questions

NDA Physical Geography

Earth and Its Structure MCQ Questions


1.
The Earth's crust is made mostly of ________.
A.
Iron
B.
Oxygen and Silicon
C.
Hydrogen
D.
Carbon
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ANSWER :
B. Oxygen and Silicon
2.
The Earth's core is primarily composed of ________.
A.
Nickel and Iron
B.
Oxygen and Silicon
C.
Calcium and Magnesium
D.
Aluminum and Iron
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ANSWER :
A. Nickel and Iron
3.
Which of the following layers of the Earth is liquid?
A.
Outer Core
B.
Inner Core
C.
Crust
D.
Mantle
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ANSWER :
A. Outer Core
4.
The Earth's lithosphere is divided into ________.
A.
Tectonic plates
B.
Continents
C.
Oceans
D.
Mantle
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ANSWER :
A. Tectonic plates
5.
The Earth's inner core is primarily composed of ________.
A.
Silicon
B.
Iron and Nickel
C.
Carbon
D.
Aluminum
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ANSWER :
B. Iron and Nickel
6.
Which of the following is the largest layer of the Earth?
A.
Mantle
B.
Outer Core
C.
Crust
D.
Inner Core
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ANSWER :
A. Mantle