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 #121
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The Great Lakes of North America were formed by:
Correct Answer: Option B
Explanation:
The Great Lakes were carved out and shaped by continental glaciers.
The Great Lakes were carved out and shaped by continental glaciers.
This question belongs to:
Geography GK
Physical Geography
Question #122
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Which layer of the atmosphere contains the maximum mass of air?
Correct Answer: Option C
Explanation:
About 75% of the atmosphere's mass is concentrated in the troposphere.
About 75% of the atmosphere's mass is concentrated in the troposphere.
This question belongs to:
Geography GK
Physical Geography
Question #123
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Temperature generally decreases with height in the troposphere at the rate of:
Correct Answer: Option B
Explanation:
The normal lapse rate in the troposphere is approximately 6.5°C per kilometer.
The normal lapse rate in the troposphere is approximately 6.5°C per kilometer.
This question belongs to:
Geography GK
Physical Geography
Question #124
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The boundary between troposphere and stratosphere is called:
Correct Answer: Option B
Explanation:
The tropopause separates the troposphere from the stratosphere.
The tropopause separates the troposphere from the stratosphere.
This question belongs to:
Geography GK
Physical Geography
Question #125
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Which gas absorbs harmful ultraviolet radiation?
Correct Answer: Option D
Explanation:
Ozone absorbs most of the Sun's harmful ultraviolet radiation.
Ozone absorbs most of the Sun's harmful ultraviolet radiation.
This question belongs to:
Geography GK
Physical Geography
Question #126
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Which cloud type is associated with fair weather?
Correct Answer: Option D
Explanation:
Cumulus clouds are fluffy white clouds generally associated with fair weather.
Cumulus clouds are fluffy white clouds generally associated with fair weather.
This question belongs to:
Geography GK
Physical Geography
Question #127
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Cyclones are associated with:
Correct Answer: Option A
Explanation:
Cyclones develop around low-pressure centers where air converges and rises.
Cyclones develop around low-pressure centers where air converges and rises.
This question belongs to:
Geography GK
Physical Geography
Question #128
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Anticyclones are associated with:
Correct Answer: Option A
Explanation:
Anticyclones are high-pressure systems generally associated with clear skies.
Anticyclones are high-pressure systems generally associated with clear skies.
This question belongs to:
Geography GK
Physical Geography
Question #129
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The eye of a tropical cyclone is characterized by:
Correct Answer: Option B
Explanation:
The eye is the calm central region of a tropical cyclone.
The eye is the calm central region of a tropical cyclone.
This question belongs to:
Geography GK
Physical Geography
Question #130
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Which ocean has no coastline touching India?
Correct Answer: Option B
Explanation:
India borders the Indian Ocean but has no direct coastline on the Atlantic Ocean.
India borders the Indian Ocean but has no direct coastline on the Atlantic Ocean.
This question belongs to:
Geography GK
Physical Geography
Question #131
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Which is the thinnest layer of the Earth?
Correct Answer: Option D
Explanation:
The crust is the thinnest layer of the Earth, varying from about 5 km under oceans to about 70 km under continents. The mantle and core are much thicker.
The crust is the thinnest layer of the Earth, varying from about 5 km under oceans to about 70 km under continents. The mantle and core are much thicker.
This question belongs to:
Geography GK
Physical Geography
Question #132
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The discontinuity separating the crust and mantle is known as:
Correct Answer: Option A
Explanation:
The Mohorovicic Discontinuity (Moho) marks the boundary between the Earth's crust and mantle. It was discovered by Andrija Mohorovicic through seismic studies.
The Mohorovicic Discontinuity (Moho) marks the boundary between the Earth's crust and mantle. It was discovered by Andrija Mohorovicic through seismic studies.
This question belongs to:
Geography GK
Physical Geography
Question #133
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The most abundant element in the Earth's crust is:
Correct Answer: Option C
Explanation:
Oxygen is the most abundant element in the Earth's crust, constituting about 46.6% by weight. Silicon is the second most abundant.
Oxygen is the most abundant element in the Earth's crust, constituting about 46.6% by weight. Silicon is the second most abundant.
This question belongs to:
Geography GK
Physical Geography
Question #134
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Granite is an example of which type of rock?
Correct Answer: Option D
Explanation:
Granite is an intrusive igneous rock formed when magma cools slowly beneath the Earth's surface, allowing large crystals to develop.
Granite is an intrusive igneous rock formed when magma cools slowly beneath the Earth's surface, allowing large crystals to develop.
This question belongs to:
Geography GK
Physical Geography
Question #135
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Which rock is commonly formed from compressed plant remains?
Correct Answer: Option C
Explanation:
Coal is an organic sedimentary rock formed from the accumulation and compression of plant remains over millions of years.
Coal is an organic sedimentary rock formed from the accumulation and compression of plant remains over millions of years.
This question belongs to:
Geography GK
Physical Geography
Question #136
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The wearing away of the Earth's surface by natural agents is called:
Correct Answer: Option B
Explanation:
Erosion is the removal and transportation of weathered material by agents such as rivers, wind, glaciers, and waves.
Erosion is the removal and transportation of weathered material by agents such as rivers, wind, glaciers, and waves.
This question belongs to:
Geography GK
Physical Geography
Question #137
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Which landform is formed by river deposition at its mouth?
Correct Answer: Option B
Explanation:
A delta forms when a river deposits sediments at its mouth where it enters a sea, lake, or ocean. The Nile and Ganga-Brahmaputra deltas are examples.
A delta forms when a river deposits sediments at its mouth where it enters a sea, lake, or ocean. The Nile and Ganga-Brahmaputra deltas are examples.
This question belongs to:
Geography GK
Physical Geography
Question #138
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A plateau is best described as:
Correct Answer: Option D
Explanation:
A plateau is an elevated area of land with a relatively flat top. Examples include the Deccan Plateau and Tibetan Plateau.
A plateau is an elevated area of land with a relatively flat top. Examples include the Deccan Plateau and Tibetan Plateau.
This question belongs to:
Geography GK
Physical Geography
Question #139
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Which process is responsible for the formation of fold mountains?
Correct Answer: Option B
Explanation:
Fold mountains are formed when tectonic forces compress rock layers, causing them to bend and fold. The Alps and Himalayas are examples.
Fold mountains are formed when tectonic forces compress rock layers, causing them to bend and fold. The Alps and Himalayas are examples.
This question belongs to:
Geography GK
Physical Geography
Question #140
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The sudden release of energy in the Earth's crust causing ground shaking is called:
Correct Answer: Option A
Explanation:
An earthquake occurs when accumulated stress in rocks is suddenly released, generating seismic waves that cause ground shaking.
An earthquake occurs when accumulated stress in rocks is suddenly released, generating seismic waves that cause ground shaking.
This question belongs to:
Geography GK
Physical Geography
