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Geography
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Geomorphology
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Interior of Earth
Geomorphology
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Interior of Earth
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Weathering
quiz
Interior of Earth
1.
Which part of the Earth is the outermost solid layer?
A)
Crust
B)
Mantle
C)
Inner core
D)
Outer core
Answer
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A) Crust
Explanation
2.
In the oceanic crust, what kind of rock is most common?
A)
Granite
B)
Limestone
C)
Sandstone
D)
Basalt
Answer
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D) Basalt
Explanation
3.
Which region has the thickest continental crust?
A)
Himalayan region
B)
Mid-Atlantic Ridge
C)
Pacific Ring of Fire
D)
Great Rift Valley
Answer
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A) Himalayan region
Explanation
4.
What is the primary source of heat in the mantle?
A)
Nuclear fusion
B)
Radioactive decay
C)
Geothermal energy
D)
Solar radiation
Answer
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B) Radioactive decay
Explanation
5.
Which phenomenon in the mantle is responsible for the movement of tectonic plates?
A)
Convection
B)
Conduction
C)
Radiation
D)
Subduction
Answer
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A) Convection
Explanation
6.
What is the primary composition of Earth’s core?
A)
Iron and nickel
B)
Silicate minerals
C)
Lead and uranium
D)
Felsic materials
Answer
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A) Iron and nickel
Explanation
7.
Which layers make up the lithosphere?
A)
Outer core and inner core
B)
Liquid outer core and mantle
C)
Crust and upper mantle
D)
Asthenosphere and lower mantle
Answer
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C) Crust and upper mantle
Explanation
8.
Which theory suggests that convection in the outer core, combined with the Coriolis effect, generates Earth’s magnetic field?
A)
Dynamo theory
B)
Tectonic theory
C)
Plate tectonics theory
D)
Seismic theory
Answer
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A) Dynamo theory
Explanation
9.
The lowest part of the mantle next to the core-mantle border is known as
A)
Transition zone
B)
B-layer
C)
D″ (D-double-prime) layer
D)
C-layer
Answer
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C) D″ (D-double-prime) layer
Explanation
10.
Which layer of the Earth is the thickest?
A)
Crust
B)
Mantle
C)
Outer Core
D)
Inner Core
Answer
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B) Mantle
Explanation
11.
Where is “Sial” primarily found?
A)
Ocean floor
B)
Continents
C)
Mantle
D)
Inner core
Answer
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B) Continents
Explanation
12.
How is the Earth divided into layers based on mechanical properties?
A)
Crust, mantle, core
B)
Lithosphere, crust, mantle, outer core
C)
Crust, asthenosphere, inner core
D)
Lithosphere, asthenosphere, mesosphere, outer core, inner core
Answer
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D) Lithosphere, asthenosphere, mesosphere, outer core, inner core
Explanation
13.
What is the name given to the plates capable of moving relative to each other?
A)
Tectonic plates
B)
Seismic plates
C)
Inner core
D)
Mantle
Answer
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A) Tectonic plates
Explanation
14.
What protects life on Earth from interplanetary radiation?
A)
Earth's atmosphere
B)
The mantle
C)
The magnetic field generated by the core flow
D)
The Curie temperature
Answer
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C) The magnetic field generated by the core flow
Explanation
15.
What is the Earth’s mantle primarily composed of?
A)
Iron and nickel
B)
Silicate rocks
C)
Water and gas
D)
Granite
Answer
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B) Silicate rocks
Explanation
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