MCQs on Islands and its Types – Geography
Q1. Which of the following is the largest island in the world?
a. Borneo
b. Honshu
c. Java
d. Greenland
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Correct Answer: d. Greenland
Explanation: Greenland is the largest island in the world, covering an area of approximately 2,166,086 square kilometers.
Q2. Which of the following is the largest archipelagic country in the world?
a. Andaman-Nicobar
b. Indonesia
c. Japan
d. Philippines
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Correct Answer: b. Indonesia
Explanation: Indonesia is the largest archipelagic country in the world, extending 5,120 kilometers from east to west and 1,760 kilometers from north to south. It has 13,466 islands, scattered over both sides of the equator, with about 6,000 of them inhabited.
Q3. Which of the following is the world’s largest river island?
a. Majuli
b. Umananda
c. New Moore
d. Dibru-Saikhuwa
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Correct Answer: a. Majuli
Explanation: Majuli, located in Assam, India, is the world’s largest river island. It is formed by the Brahmaputra River in the south and the Kherkutia Xuti, an anabranch of the Brahmaputra, joined by the Subansiri River in the north.
Q4. Which of the following islands is a disputed island between India and Bangladesh?
a. New Moore
b. Majuli
c. Dibru-Saikhuwa
d. Umananda
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Correct Answer: a. New Moore
Explanation: India and Bangladesh both claimed the New Moore Island, which is about 3.5 kilometers long and 3 kilometers wide. Bangladesh referred to the island as South Talpatti.
Q5. Which of the following islands is located in the Indian Ocean and is known for its unique biodiversity?
a. Madagascar
b. Borneo
c. Java
d. Honshu
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Correct Answer: a. Madagascar
Explanation: Madagascar is an island located in the Indian Ocean, off the southeastern coast of Africa. It is known for its unique biodiversity, with many species found nowhere else on Earth.
Q6. Which of the following is a type of island formed by the deposition of sediment carried by a river?
a. Continental island
b. Oceanic island
c. Fluvial island
d. Coral island
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Correct Answer: c. Fluvial island
Explanation: Fluvial islands are formed by the deposition of sediment carried by a river. They are typically found in the middle of a river channel and can be temporary or permanent, depending on the river’s flow and sediment load.
Q7. Which of the following is a type of island formed by the growth of coral reefs?
a. Continental island
b. Oceanic island
c. Fluvial island
d. Coral island
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Correct Answer: d. Coral island
Explanation: Coral islands are formed by the growth of coral reefs, which are made up of the calcium carbonate skeletons of coral polyps. These islands are typically found in warm, shallow waters and can support a diverse array of marine life.
Q8. Which of the following is a type of island formed by volcanic activity?
a. Continental island
b. Oceanic island
c. Fluvial island
d. Coral island
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Correct Answer: b. Oceanic island
Explanation: Oceanic islands are formed by volcanic activity, either through the eruption of an underwater volcano or the buildup of lava on the ocean floor. These islands can be found in various locations around the world, often in areas with tectonic activity.
Q9. Which of the following is a type of island formed by the breakup of a larger landmass?
a. Continental island
b. Oceanic island
c. Fluvial island
d. Coral island
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Correct Answer: a. Continental island
Explanation: Continental islands are formed by the breakup of a larger landmass, usually due to tectonic activity or changes in sea level. These islands are typically found close to a continent and share similar geology and ecology with the nearby mainland.
Q10. Which of the following islands is an example of a volcanic island?
a. Greenland
b. Madagascar
c. Hawaii
d. Majuli
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Correct Answer: c. Hawaii
Explanation: Hawaii is an example of a volcanic island, formed by the eruption of an underwater volcano and the buildup of lava on the ocean floor. The Hawaiian Islands are part of a larger volcanic chain known as the Hawaiian-Emperor seamount chain.
Q11. Which of the following islands is an example of a coral island?
a. Greenland
b. Madagascar
c. Hawaii
d. Maldives
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Correct Answer: d. Maldives
Explanation: The Maldives is an example of a coral island, formed by the growth of coral reefs. The Maldives is an archipelago of 26 atolls, which are made up of over 1,000 coral islands.
Q12. Which of the following islands is an example of a continental island?
a. Greenland
b. Madagascar
c. Hawaii
d. Maldives
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Correct Answer: b. Madagascar
Explanation: Madagascar is an example of a continental island, formed by the breakup of a larger landmass. It is located in the Indian Ocean, off the southeastern coast of Africa, and shares similar geology and ecology with the nearby mainland.
Q13. Which of the following islands is an example of a fluvial island?
a. Greenland
b. Madagascar
c. Hawaii
d. Majuli
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Correct Answer: d. Majuli
Explanation: Majuli, located in Assam, India, is an example of a fluvial island. It is formed by the deposition of sediment carried by the Brahmaputra River and is the world’s largest river island.
Q14. Which of the following islands is located in the Mediterranean Sea?
a. Greenland
b. Madagascar
c. Hawaii
d. Sicily
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Correct Answer: d. Sicily
Explanation: Sicily is an island located in the Mediterranean Sea, off the southern tip of Italy. It is the largest island in the Mediterranean and is known for its rich history, diverse culture, and beautiful landscapes.
Q15. Which of the following islands is located in the Caribbean Sea?
a. Greenland
b. Madagascar
c. Hawaii
d. Cuba
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Correct Answer: d. Cuba
Explanation: Cuba is an island located in the Caribbean Sea, south of the United States and east of Mexico. It is the largest island in the Caribbean and is known for its vibrant culture, beautiful beaches, and unique history.
Q16. Which of the following islands is located in the South China Sea?
a. Greenland
b. Madagascar
c. Hawaii
d. Spratly Islands
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Correct Answer: d. Spratly Islands
Explanation: The Spratly Islands are a group of islands, islets, and reefs located in the South China Sea. They are the subject of territorial disputes among several countries, including China, the Philippines, Vietnam, and Malaysia.
Q17. Which of the following is a type of island formed by the accumulation of sand, rock, and other materials along the coastline?
a. Barrier island
b. Oceanic island
c. Fluvial island
d. Coral island
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Correct Answer: a. Barrier island
Explanation: Barrier islands are formed by the accumulation of sand, rock, and other materials along the coastline. They are typically long and narrow and serve as a protective barrier between the mainland and the ocean.
Q18. Which of the following islands is an example of a barrier island?
a. Greenland
b. Madagascar
c. Hawaii
d. Hatteras Island
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Correct Answer: d. Hatteras Island
Explanation: Hatteras Island is an example of a barrier island, located off the coast of North Carolina in the United States. It is part of the Outer Banks, a chain of barrier islands that protect the mainland from the Atlantic Ocean.
Q19. Which of the following islands is located in the Atlantic Ocean and is known for its unique wildlife?
a. Galápagos Islands
b. Borneo
c. Java
d. Honshu
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Correct Answer: a. Galápagos Islands
Explanation: The Galápagos Islands are an archipelago of volcanic islands located in the Pacific Ocean, known for their unique wildlife. Many of the species found on the islands are not found anywhere else in the world, making them an important location for the study of evolution and biodiversity.
Q20. Which of the following islands is an example of an oceanic island formed by volcanic activity?
a. Greenland
b. Madagascar
c. Hawaii
d. Iceland
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Correct Answer: d. Iceland
Explanation: Iceland is an example of an oceanic island formed by volcanic activity. It is located in the North Atlantic Ocean and is part of the Mid-Atlantic Ridge, a tectonic plate boundary where new oceanic crust is formed by volcanic eruptions.