Physical Geography MCQs with Answers and Explanations

Question #481

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Which ocean contains the largest number of islands?

A. Atlantic Ocean

B. Arctic Ocean

C. Pacific Ocean

D. Indian Ocean

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Correct Answer: Option C

Explanation:
The Pacific Ocean contains thousands of islands and island groups.

This question belongs to: Geography GK Physical Geography

Question #482

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Which is the world's largest continental shelf?

A. Indian Shelf

B. Australian Shelf

C. Brazilian Shelf

D. Siberian Shelf

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Correct Answer: Option D

Explanation:
The Siberian Continental Shelf is the largest continental shelf in the world.

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Question #483

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The Challenger Deep is located in:

A. Puerto Rico Trench

B. Java Trench

C. Mariana Trench

D. Tonga Trench

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Correct Answer: Option C

Explanation:
Challenger Deep is the deepest known point in the world's oceans, located in the Mariana Trench.

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Question #484

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Which mineral is the principal ore of zinc?

A. Galena

B. Chromite

C. Magnetite

D. Sphalerite

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Correct Answer: Option D

Explanation:
Sphalerite (ZnS) is the most important ore of zinc and is widely mined across the world.

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Question #485

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Which mineral is commonly called 'Fool's Silver'?

A. Molybdenite

B. Galena

C. Pyrite

D. Mica

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Correct Answer: Option C

Explanation:
Pyrite resembles precious metals due to its metallic luster and is often called Fool's Gold or Fool's Silver.

This question belongs to: Geography GK Physical Geography

Question #486

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The study of earthquakes through recorded seismic waves is called:

A. Seismology

B. Geomorphology

C. Petrology

D. Volcanology

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Correct Answer: Option A

Explanation:
Seismology is the scientific study of earthquakes and the propagation of seismic waves.

This question belongs to: Geography GK Physical Geography

Question #487

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Which type of volcano erupts very fluid basaltic lava?

A. Shield Volcano

B. Cinder Cone

C. Caldera

D. Composite Volcano

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Correct Answer: Option A

Explanation:
Shield volcanoes are formed by repeated eruptions of fluid basaltic lava that spread over large areas.

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Question #488

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The Hawaiian Islands are primarily of ______ origin.

A. Volcanic

B. Fluvial

C. Glacial

D. Aeolian

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Correct Answer: Option A

Explanation:
The Hawaiian Islands were formed by volcanic activity over a hotspot beneath the Pacific Plate.

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Question #489

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A geyser is associated with:

A. Wind Erosion

B. Glacial Action

C. Groundwater Heated by Magma

D. River Deposition

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Correct Answer: Option C

Explanation:
Geysers occur when groundwater is heated by volcanic activity and erupts periodically as hot water and steam.

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Question #490

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Yellowstone National Park is famous for its:

A. Sand Dunes

B. Delta

C. Coral Reefs

D. Geysers

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Correct Answer: Option D

Explanation:
Yellowstone in the USA contains the world's largest concentration of geysers.

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Question #491

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Which type of weathering is caused by plant roots breaking rocks?

A. Biological Weathering

B. Mechanical Weathering

C. Chemical Weathering

D. Thermal Weathering

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Correct Answer: Option A

Explanation:
Plant roots can penetrate rock cracks and break them apart, causing biological weathering.

This question belongs to: Geography GK Physical Geography

Question #492

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Exfoliation is mainly caused by:

A. River Erosion

B. Temperature Changes

C. Glacial Action

D. Sea Waves

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Correct Answer: Option B

Explanation:
Exfoliation occurs when outer rock layers peel off due to expansion and contraction from temperature variations.

This question belongs to: Geography GK Physical Geography

Question #493

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The wearing away of rocks by wind carrying sand particles is called:

A. Abrasion

B. Deposition

C. Attrition

D. Corrosion

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Correct Answer: Option A

Explanation:
Abrasion occurs when wind-driven particles scrape and wear away rock surfaces.

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Question #494

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Which desert landform resembles a yard-shaped ridge?

A. Loess

B. Yardang

C. Barchan

D. Mesa

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Correct Answer: Option B

Explanation:
Yardangs are streamlined ridges formed by wind erosion in arid regions.

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Question #495

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Barchans are:

A. Crescent-shaped Sand Dunes

B. Volcanic Cones

C. Glacial Deposits

D. Coral Reefs

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Correct Answer: Option A

Explanation:
Barchans are crescent-shaped sand dunes formed by unidirectional winds.

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Question #496

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The largest sand desert in the world is:

A. Thar

B. Sahara

C. Gobi

D. Arabian

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Correct Answer: Option B

Explanation:
The Sahara is the largest hot sand desert in the world, covering much of North Africa.

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Question #497

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Which process forms sea caves?

A. Wave Erosion

B. Wind Erosion

C. River Deposition

D. Glaciation

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Correct Answer: Option A

Explanation:
Sea caves are formed when waves erode weaker parts of coastal cliffs.

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Question #498

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A sea arch develops from:

A. Sea Cave

B. Lagoon

C. Delta

D. Beach

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Correct Answer: Option A

Explanation:
Continued erosion enlarges a sea cave until it breaks through a headland, forming a sea arch.

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Question #499

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A stack is formed when:

A. A volcano erupts

B. A river deposits sediment

C. A sea arch collapses

D. A glacier melts

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Correct Answer: Option C

Explanation:
When the roof of a sea arch collapses, a detached pillar called a stack remains.

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Question #500

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Which coastal feature is formed by deposition?

A. Cliff

B. Beach

C. Wave-cut Platform

D. Sea Cave

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Correct Answer: Option B

Explanation:
Beaches form through the deposition of sand, gravel, and pebbles by waves.

This question belongs to: Geography GK Physical Geography

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