C:\UPSC\GS1\2015\Q-5.txt
GeographyEXAMINEYear 201510 Marks
Concept / Statute•Directive•Institution / Stakeholder

Explain the formation of thousands of islands in Indonesian and Philippines archipelagos.

Exact Syllabus Pointer

Physical geography, distribution of key natural resources, factors for industrial location, geophysical phenomena (earthquakes, cyclones, volcanoes).

Syllabus Tags:Island ArcsSubduction & VolcanismIndonesian ArchipelagoPlate TectonicsPacific Ring of Fire

Connected Questions Across All Papers

Discovered through overlapping concepts: Island Arcs, Subduction & Volcanism, Indonesian Archipelago

Recurring Theme Trend: “Island Arcs”

6 questions across 14 yrs

Frequency of UPSC CSE Mains questions testing this core concept, landmark doctrine, or foundational syllabus theme (2013-2026)

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