UPSC solved previous year questions
160 solved questions from the UPSC 2025 examination, each with an answer and explanation.
Harappan architecture (c. 2600–1900 BCE) reveals an urban civilisation organised around planning, sanitation, craft production and civic regulation.…
Akbar’s religious syncretism was a pragmatic and intellectual effort to build imperial legitimacy in a religiously diverse society while transcending sectarian orthodoxy.…
Chandella sculpture, especially at Khajuraho (10th–12th centuries), combines spiritual aspiration with an exuberant portrayal of the full range of human and natural life.…
Small island states face disproportionate climate risks because modest elevation, limited land and narrow economic bases magnify the effects of warming oceans and rising seas.…
Non-farm primary activities directly extract natural resources without crop cultivation. Their location reflects the availability, accessibility and quality of physical resources.…
India’s high solar insolation and large semi-arid spaces make solar energy a strategic route to energy security, decarbonisation and inclusive development.…
A tsunami is a series of long-period sea waves produced by sudden displacement of a large volume of water, most commonly during submarine earthquakes.…
A smart city should use technology and better urban institutions not merely for efficiency, but to make services accessible, affordable and accountable to disadvantaged residents.…
Indian civil services convert constitutional values into everyday administration. Their ethos must unite specialised competence with a non-partisan commitment to India’s unity, welfare and sovereignty.…
Globalisation intensifies market integration and advertising, but its social effects are contradictory: it can promote aggressive consumerism while also widening communication, choice and cultural exchange.…
Jotirao Phule challenged Brahmanical hierarchy, patriarchy and colonial-era social deprivation through writing, education and organised action, giving diverse subaltern groups a common language of dignity.…
After 1947, India’s consolidation combined territorial integration, democratic institution-building, planned development, mass education and strategic autonomy amid partition and poverty.…
The French Revolution transformed ideas of sovereignty, citizenship and rights. Its legacy remains relevant because modern democracies continue to negotiate equality, liberty, popular power and violence.…
Oil accumulates where organic-rich sediments mature in suitable geological basins and hydrocarbons migrate into porous reservoirs sealed by impermeable strata. These conditions occur on land and beneath continental margins.…
GIS integrates spatial layers, remote sensing (RS) observes land and environmental change, drones provide fine-resolution data, and AI detects patterns for faster, evidence-based planning.…
Plate tectonics explains the evolving geometry of continents and ocean basins through the movement, creation, destruction and deformation of lithospheric plates over the asthenosphere.…
The Ganga basin supports one of the world’s largest population concentrations because its level alluvial plains combine fertile soils, abundant water, long settlement history and transport accessibility.…
Fast food expands because it fits urban time constraints and changing aspirations, even as non-communicable diseases and nutrition concerns expose the costs of highly processed diets.…
Environmental protection and poverty reduction can conflict in the short term because poor households depend directly on land, forests, energy and low-cost infrastructure; yet ecological degradation ultimately deepens poverty.…
Displacement and rehabilitation are central axes of tribal development because dams, mines, industries, conservation and infrastructure have repeatedly altered Adivasi habitats; however, development must be understood beyond…
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