Physical Geography MCQs
Practice Physical Geography MCQs with answers and detailed explanations covering the Earth's structure, landforms, rocks, volcanoes, earthquakes, atmosphere, hydrosphere, biosphere, weather, climate and important physical geography concepts frequently asked in SSC, Railway, Banking, UPSC, JKSSB, Police, Defence, Teaching and other competitive examinations.
Question #1
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Which layer of the Earth is composed mainly of nickel and iron?
Correct Answer: Option A
Explanation:
The Earth's core is primarily composed of nickel and iron (NiFe). It is divided into the outer core and inner core and is the hottest part of the Earth.
The Earth's core is primarily composed of nickel and iron (NiFe). It is divided into the outer core and inner core and is the hottest part of the Earth.
This question belongs to:
Geography GK
Physical Geography
Question #2
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The outermost solid layer of the Earth is known as:
Correct Answer: Option B
Explanation:
The crust is the Earth's outermost solid layer. It is thinner beneath oceans and thicker beneath continents.
The crust is the Earth's outermost solid layer. It is thinner beneath oceans and thicker beneath continents.
This question belongs to:
Geography GK
Physical Geography
Question #3
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Which discontinuity separates the Earth's crust from the mantle?
Correct Answer: Option B
Explanation:
The Mohorovicic Discontinuity (Moho) separates the Earth's crust from the mantle and was discovered by Andrija Mohorovicic.
The Mohorovicic Discontinuity (Moho) separates the Earth's crust from the mantle and was discovered by Andrija Mohorovicic.
This question belongs to:
Geography GK
Physical Geography
Question #4
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The mantle extends up to a depth of approximately:
Correct Answer: Option A
Explanation:
The mantle extends from the base of the crust to about 2900 km depth and constitutes the largest portion of Earth's volume.
The mantle extends from the base of the crust to about 2900 km depth and constitutes the largest portion of Earth's volume.
This question belongs to:
Geography GK
Physical Geography
Question #5
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Which type of rock is formed by the cooling and solidification of magma?
Correct Answer: Option C
Explanation:
Igneous rocks are formed when magma or lava cools and solidifies. They are called primary rocks because all other rocks originate from them.
Igneous rocks are formed when magma or lava cools and solidifies. They are called primary rocks because all other rocks originate from them.
This question belongs to:
Geography GK
Physical Geography
Question #6
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Granite is an example of:
Correct Answer: Option D
Explanation:
Granite is an intrusive igneous rock formed when magma cools slowly beneath the Earth's surface.
Granite is an intrusive igneous rock formed when magma cools slowly beneath the Earth's surface.
This question belongs to:
Geography GK
Physical Geography
Question #7
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Basalt is a common example of:
Correct Answer: Option D
Explanation:
Basalt forms from lava cooling rapidly on the Earth's surface and is therefore an extrusive igneous rock.
Basalt forms from lava cooling rapidly on the Earth's surface and is therefore an extrusive igneous rock.
This question belongs to:
Geography GK
Physical Geography
Question #8
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Which rock is formed by the accumulation and compression of sediments?
Correct Answer: Option C
Explanation:
Sandstone is a sedimentary rock formed from compacted sand particles deposited over time.
Sandstone is a sedimentary rock formed from compacted sand particles deposited over time.
This question belongs to:
Geography GK
Physical Geography
Question #9
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Marble is formed from the metamorphism of:
Correct Answer: Option C
Explanation:
Marble is a metamorphic rock formed when limestone undergoes heat and pressure.
Marble is a metamorphic rock formed when limestone undergoes heat and pressure.
This question belongs to:
Geography GK
Physical Geography
Question #10
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The process by which rocks are broken down in situ is called:
Correct Answer: Option B
Explanation:
Weathering is the disintegration and decomposition of rocks at or near the Earth's surface.
Weathering is the disintegration and decomposition of rocks at or near the Earth's surface.
This question belongs to:
Geography GK
Physical Geography
