Q1. The most recent recorded eruption of Barren Island took place in which year?
a) 1991
b) 2005
c) 2017
d) 2025
Answer: d) 2025
Context: India’s only active volcano at Barren Island, Andaman Sea, witnessed two mild eruptions on 13 and 20 September 2025.
Q2. Barren Island, India’s only active volcano, lies in which type of tectonic boundary?
a) Divergent
b) Convergent
c) Transform
d) Hotspot Region
Answer: b) Convergent Plate Boundary (Subduction Zone)
Barren Island lies in the Andaman Subduction Zone, where the Indian Plate is subducting beneath the Burmese Plate, creating volcanic activity.
Q3. Barren Island volcano is classified as which type of volcano?
a) Shield Volcano
b) Stratovolcano
c) Caldera Volcano
d) Lava Dome
Answer: b) Stratovolcano (Composite Volcano)
Barren Island is a stratovolcano, characterized by alternating layers of lava and ash.
Q4. Which of the following is TRUE about Barren Island?
a) It is inhabited by tribal communities.
b) It is home to rich flora and fauna despite volcanic activity.
c) It is completely barren with no vegetation.
d) It is located near the Lakshadweep Sea.
Answer: b) It is home to rich flora and fauna despite volcanic activity.
Despite its name, Barren Island supports some vegetation and is home to goats, birds, and bats, though it has no permanent human settlement.
Q5. The distance of Barren Island from Port Blair (Andaman & Nicobar’s capital) is approximately:
a) 50 km
b) 70 km
c) 100 km
d) 135 km
Answer: d) 135 km
Barren Island is located ~135 km northeast of Port Blair, making it accessible via ships and boats.
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