1. With reference to the Galapagos Islands, which of the following statem

With reference to the Galapagos Islands, which of the following statements is/are correct ?

  • 1. They are formed due to volcanic activity
  • 2. They are part of the South American nation, Peru
  • 3. They are situated in the Pacific Ocean

Select the correct answer using the code given below :

1 and 2 only
1 and 3 only
2 and 3 only
3 only
This question was previously asked in
UPSC CISF-AC-EXE – 2023
Statements 1 and 3 are correct, while Statement 2 is incorrect.
The Galapagos Islands are an archipelago of volcanic islands located in the Pacific Ocean (Statement 3). They were formed by volcanic activity millions of years ago (Statement 1).
The Galapagos Islands are a province of Ecuador (Statement 2 is incorrect), located approximately 1,000 kilometers (620 miles) off the coast of the country. The islands are famous for their unique biodiversity, studied by Charles Darwin, which influenced his theory of evolution by natural selection.

2. Which one of the following is the biggest Island of Japan archipelago

Which one of the following is the biggest Island of Japan archipelago ?

Honshu
Hokkaido
Shikoku
Kyushu
This question was previously asked in
UPSC CAPF – 2019
Japan is an archipelago composed of numerous islands. The four main islands, in descending order of size, are Honshu, Hokkaido, Kyushu, and Shikoku. Honshu is by far the largest and most populous island of Japan.
Knowing the geography of major countries, including their key islands and their relative sizes, is important for general knowledge questions.
Honshu is home to major cities like Tokyo, Osaka, Kyoto, and Hiroshima. Hokkaido is the northernmost main island, known for its wilderness and winter sports. Kyushu is the southernmost of the main islands, while Shikoku is the smallest of the four main islands.

3. Which one of the following pairs of Island and Sea/Ocean is NOT correc

Which one of the following pairs of Island and Sea/Ocean is NOT correctly matched ?

Cyprus : Mediterranean Sea
Falkland : Atlantic Ocean
Chagos : North Pacific Ocean
Islas Cocos : Indian Ocean
This question was previously asked in
UPSC CAPF – 2017
The pair ‘Chagos : North Pacific Ocean’ is NOT correctly matched. The Chagos Archipelago is located in the central Indian Ocean, approximately 500 km south of the Maldives archipelago.
Geographical location of major island groups and the seas/oceans they are situated in.
A) Cyprus is correctly located in the Mediterranean Sea.
B) The Falkland Islands are correctly located in the South Atlantic Ocean.
D) Islas Cocos can refer to multiple islands. If it refers to Cocos (Keeling) Islands, they are in the Indian Ocean. If it refers to Cocos Island off Costa Rica, it’s in the Pacific Ocean. However, given the clear incorrectness of option C (Chagos in North Pacific), C is the intended answer.

4. New Zealand is considered part of which one of the following island gr

New Zealand is considered part of which one of the following island groups ?

Micronesia
Melanesia
Polynesia
Hawaii Island chain
This question was previously asked in
UPSC NDA-2 – 2020
New Zealand is considered part of the Polynesia island group.
The Pacific Islands are broadly divided into three major cultural and geographical regions: Melanesia, Micronesia, and Polynesia. Polynesia forms a vast triangle in the Pacific Ocean with corners at Hawaii, New Zealand (Aotearoa), and Easter Island. New Zealand is the largest and most populous island nation within the Polynesian triangle.
Melanesia is generally located to the north and west of Polynesia, including island nations like Fiji, Vanuatu, Solomon Islands, and Papua New Guinea. Micronesia is situated north of Melanesia and includes islands like Guam, Marshall Islands, and Federated States of Micronesia.

5. Sentosa island, which was in news recently, is located in

Sentosa island, which was in news recently, is located in

Singapore
China
Australia
Sri Lanka
This question was previously asked in
UPSC NDA-2 – 2018
Sentosa island, which was in news recently (in 2018, due to the Trump-Kim summit), is located in Singapore.
Sentosa is a resort island off the southern coast of Singapore. It is known for its beaches, resorts, attractions like Universal Studios Singapore, and the S.E.A. Aquarium. In June 2018, it gained significant global attention as the venue for the historic summit between US President Donald Trump and North Korean leader Kim Jong Un.
The summit took place at the Capella Hotel on Sentosa island. The island was formerly a British military base and was renamed “Sentosa” (meaning “peace and tranquility” in Malay) after being redeveloped as a tourist destination.

6. Match List I with List II and select the correct answer using the code

Match List I with List II and select the correct answer using the code given below the Lists :

List I
(Island)
List II
(Location)
A. Continental island 1. Mauritius
B. Coral island 2. Madagascar
C. Volcanic island 3. Andaman and Nicobar islands
D. Mountain island 4. Maldives
A-2, B-4, C-1, D-3
A-2, B-1, C-4, D-3
A-3, B-1, C-4, D-2
A-3, B-4, C-1, D-2
This question was previously asked in
UPSC NDA-1 – 2015
Let’s match the types of islands with their examples:
A. Continental island: These are islands that were formerly part of a continent and became detached due to changes in sea level, geological uplift, or separation of landmasses. Madagascar is a classic example of a continental island that broke away from Africa. So, A matches with 2.
B. Coral island: These islands are formed from the accumulation of coral skeletons and associated organic material. Maldives is an archipelago of coral atolls, making it a prime example of a coral island chain. So, B matches with 4.
C. Volcanic island: These islands are formed by volcanic activity, either from underwater volcanoes reaching the surface or continental volcanic activity. Mauritius was formed by volcanic activity. So, C matches with 1.
D. Mountain island: This term can refer to islands that are essentially the peaks of submerged mountain ranges or fold mountains. The Andaman and Nicobar Islands are believed to be the northern extension of the Arakan Yoma mountain range of Myanmar, making them mountain islands. So, D matches with 3.
Putting it together: A-2, B-4, C-1, D-3. This matches option A.
Islands are classified based on their formation process: Continental islands separated from continents, Coral islands built by coral polyps, Volcanic islands formed by volcanoes, and Mountain islands representing submerged mountain peaks.
Other examples: Great Britain is a continental island. Lakshadweep in India is also a coral island group (atoll). Hawaii is a famous example of a volcanic island chain. Indonesia and Japan are archipelagos largely made up of volcanic islands.

7. Which one among the following islands in South-East Asia is situated b

Which one among the following islands in South-East Asia is situated between Wallace’s Line and Weber’s Line that are related to Bio-diversity ?

Borneo
Celebes (Sulawesi)
Java
New Guinea
This question was previously asked in
UPSC Geoscientist – 2024
Celebes (Sulawesi) is an island situated in Wallacea, the biogeographical transition zone between Wallace’s Line and Weber’s Line in Southeast Asia.
Wallace’s Line is a faunal boundary line drawn in 1859 by Alfred Russel Wallace that separates the biogeographical realms of Asia and Wallacea, a transitional zone. It passes through the Indonesian archipelago. Weber’s Line, proposed by Max Carl Wilhelm Weber, runs slightly east of Wallace’s Line and is considered the boundary where the fauna is approximately 50% Asian and 50% Australian in origin. The islands situated between these two lines are part of Wallacea.
Borneo and Java lie west of Wallace’s Line and belong to the Asian faunal region. New Guinea lies east of Weber’s Line and belongs to the Australasian faunal region. Celebes (Sulawesi) is one of the largest islands entirely within Wallacea, the zone between the two lines.

8. Which of the following statements regarding Galápagos Islands in the P

Which of the following statements regarding Galápagos Islands in the Pacific Ocean is/are correct ?

  • They are formed due to volcanic activity.
  • They are part of the South American nation Peru.

Select the answer using the code given below :

1 only
2 only
Both 1 and 2
Neither 1 nor 2
This question was previously asked in
UPSC Geoscientist – 2024
The first statement, “They are formed due to volcanic activity,” is correct. The Galápagos Islands are a volcanic archipelago. The second statement, “They are part of the South American nation Peru,” is incorrect. The Galápagos Islands are a province of Ecuador.
Galápagos Islands are volcanic and belong to Ecuador.
The Galápagos Islands are famous for their unique ecosystems, which inspired Charles Darwin’s theory of evolution by natural selection following his visit in 1835. They are located about 900 kilometers (560 mi) west of continental Ecuador.

9. Which one of the following statements about Marajo Island is NOT

Which one of the following statements about Marajo Island is NOT correct?

It is world's largest river island
It is a river island on Amazon river
It is rich in wildlife and the home of water buffalo
Capital of Brazil is located on this island
This question was previously asked in
UPSC Geoscientist – 2021
The capital of Brazil is Brasilia, which is located inland and not on Marajo Island.
Marajo Island is a large island located at the mouth of the Amazon River in Brazil.
Marajo is often considered one of the largest fluvial-maritime islands in the world. It is indeed rich in wildlife and known for water buffalo farming. The statements A, B, and C are generally considered correct descriptions of Marajo Island.

10. Which one of the following islands is the largest?

Which one of the following islands is the largest?

Borneo
Madagascar
New Guinea
Sumatra
This question was previously asked in
UPSC CDS-2 – 2017
To determine the largest island among the given options, we compare their approximate areas:
– Borneo: approx. 743,330 sq km (world’s 3rd largest island)
– Madagascar: approx. 587,041 sq km (world’s 4th largest island)
– New Guinea: approx. 785,753 sq km (world’s 2nd largest island after Greenland)
– Sumatra: approx. 473,481 sq km (world’s 6th largest island)
Comparing these areas, New Guinea is the largest island.
– New Guinea is the second-largest island in the world.
– Borneo is the third-largest island in the world.
– Madagascar is the fourth-largest island in the world.
– Sumatra is the sixth-largest island in the world.
– Greenland is the largest island in the world.
The islands listed are among the largest in the world. Borneo is politically divided among Indonesia, Malaysia, and Brunei. New Guinea is divided between Indonesia and Papua New Guinea. Madagascar and Sumatra are sovereign nations or major islands within sovereign nations (Madagascar is a country, Sumatra is part of Indonesia).

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