Static quiz 06 September 2025 (Geography)
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Static quiz 06 September 2025 (Geography) for UPSC exam
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Ask 1 by 5
Consider the following statements about types of volcanoes:
1. Shield volcanoes have soft slopes and are mainly formed by basalt lava.
2. Composite volcanoes are also called Stratovolcanos and are characterized by alternating layers of lava and pyroclastic material.
3. Sintelkel volcanoes are the greatest size and have wide bases.
Which of the above statements are correct?CorrectAnswer: A. 1 and 2
Explanation:
• Statement 1 is correct: Shield volcanoes (eg Mauna Loa in Hawaii) are wide, softly sloping, formed by liquid basalt lava.
• Statement 2 is correct: composite/stratovolcanoes (eg Mount Fuji, Vesuvius) have varied lava flows and pyroclastic deposits.
• Statement 3 is incorrect: volcanoes are small, steep, not the largest.IncorrectAnswer: A. 1 and 2
Explanation:
• Statement 1 is correct: Shield volcanoes (eg Mauna Loa in Hawaii) are wide, softly sloping, formed by liquid basalt lava.
• Statement 2 is correct: composite/stratovolcanoes (eg Mount Fuji, Vesuvius) have varied lava flows and pyroclastic deposits.
• Statement 3 is incorrect: volcanoes are small, steep, not the largest.Ask 2 by 5
The Pacific “Ring of Fire” is associated with:
CorrectAnswer: B. Convergent Plate Boundaries and Subductones
Explanation:
The ring of fire surrounded by the Pacific is dominated by subduction zones (convergent borders), where ocean plates sink under continental or other ocean plates, which produce intensely volcanism.IncorrectAnswer: B. Convergent Plate Boundaries and Subductones
Explanation:
The ring of fire surrounded by the Pacific is dominated by subduction zones (convergent borders), where ocean plates sink under continental or other ocean plates, which produce intensely volcanism.Ask 3 by 5
Match the volcanic land shape with its characteristic:
A. Caldera → 1. Steep-sided depression formed after violent eruption and collapse
B. Lava -Koepel → 2. Bulbous Heuvel formed by viscous lava lava that gets left at the ventilation opening
C. Fissure outburst → 3. Hot avaline of ash, gas and rock fragments
D. Pyroclastic Stroming → 4. Outpouring of liquid basalt of long cracks
Select the correct code:CorrectAnswer: B. A – 1, B – 2, C – 4, D – 3
Explanation:
• Caldera → Depression collapse after eruption (eg Krakatoa).
• Lava -Koepel → Viscous Magma creates dome near ventilation.
• Fissure outburst → basaltic lava flows from cracks (eg deccan traps).
• Pyroclastic current → Hot, dense avalanche of volcanic materials.IncorrectAnswer: B. A – 1, B – 2, C – 4, D – 3
Explanation:
• Caldera → Depression collapse after eruption (eg Krakatoa).
• Lava -Koepel → Viscous Magma creates dome near ventilation.
• Fissure outburst → basaltic lava flows from cracks (eg deccan traps).
• Pyroclastic current → Hot, dense avalanche of volcanic materials.Ask 4 by 5
Assertion
Claim (A): Volcanic activity is more often found along plate limits than within the interior.
Reason (r): plate boundaries are zones of crust of weakness where magma can easily reach the surface.CorrectAnswer: A. Both a and r are true and R is the correct explanation of one
Explanation:
Most volcanoes are on plate boundaries (eg subduction zones, Mid-Ocean Ridges). Crustal -Weakness facilitates Magma Ascent, which makes R the correct explanation of A..IncorrectAnswer: A. Both a and r are true and R is the correct explanation of one
Explanation:
Most volcanoes are on plate boundaries (eg subduction zones, Mid-Ocean Ridges). Crustal -Weakness facilitates Magma Ascent, which makes R the correct explanation of A..Ask 5 by 5
Which of the following volcanoes is an example of a fuel volcano?
CorrectAnsts: Iolani (Hawaii)
Explanation:
• Mauna Loa is the classic shield volcano with huge, softly sloping basalt lava flows.
• Mount St. Helens and Mount Fuji → Stratovolcanoes.
• Mount Vesuvius → Composite volcano.IncorrectAnsts: Iolani (Hawaii)
Explanation:
• Mauna Loa is the classic shield volcano with huge, softly sloping basalt lava flows.
• Mount St. Helens and Mount Fuji → Stratovolcanoes.
• Mount Vesuvius → Composite volcano.
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