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July 16, 2026

Rivers Originating in the Eastern Ghats — UPSC Prelims PYQ 2021

Didwana, Kuchaman, Sargol, Khatu — UPSC Prelims PYQ 2021 (Rajasthan Features)

Jeevan Bisht
2021 / Geography / Indian Geography / Physical Features of India / UPSC Prelims PYQs
Didwana Lake / Khatu Lake / Kuchaman Lake / Saline Lakes / Sargol Lake

Indus River System: Which River Joins Indus Directly? — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Geography / Indian Geography / India’s Rivers / UPSC Prelims PYQs
Chenab river / Indus river / Jhelum River / Satluj River / Sutlej River

Palm Oil — Origins, Uses and Biodiesel — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Agriculture / Geography / Major Crops / UPSC Prelims PYQs
Biodiesel / Cosmetics Industry / Elaeis guineensis / Palm Oil / Palm Oil Production

Permaculture vs Conventional Farming — UPSC Prelims PYQ 2021

International Mother Language Day & Bengali demand — UPSC Prelims PYQ 2021

Bethune (Hindu Female) School secretary — UPSC Prelims PYQ 2021 (Duplicate)

Ajanta Caves and Other Sites — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Architecture / Art and Culture / Indian History / UPSC Prelims PYQs
Ajanta Caves / Ajanta Murals / Pandavleni Caves / Sanchi Stupa / Waghora River

Origins of Arcot, Mysore and Rohilkhand — UPSC Prelims PYQ 2021

Shah Nawaz Khan, Sehgal & Dhillon — UPSC Prelims PYQ 2021 (INA officers)

Bethune (Hindu Female) School secretary — UPSC Prelims PYQ 2021

Administrative units Pargana, Sarkar, Suba — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Indian History / Medieval India / Mughal Empire / UPSC Prelims PYQs
Akbar / Mughal Administration / Pargana / Sarkar / Suba

‘Songs from Prison’ translator — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Indian History / Modern India / Personalities / UPSC Prelims PYQs
Gandhi Writings / Mahatma Gandhi / Sanskrit Hymns / Songs from Prison / Upanishads

Quit India Resolution — UPSC Prelims PYQ 2021 (8 August 1942)

Montagu-Chelmsford Reforms and Government of India Act — UPSC Prelims PYQ 2021

UPSC Prelims PYQ 2019: Bhavabhuti, Hastimalla and Kshemeshvara — famous as

UPSC Prelims PYQ 2021: Mitakshara vs Dayabhaga — inheritance rules

Jeevan Bisht
2021 / Ancient India / Indian History / Misc (Ancient) / UPSC Prelims PYQs
Dayabhaga / Hindu Law / Inheritance Law / Mitakshara / Property Rights

UPSC Prelims PYQ 2021: St. Francis Xavier — Jesuit founder and Goa feast

Jeevan Bisht
2021 / Indian History / Modern India / Personalities / UPSC Prelims PYQs
Christian Festivals / Goa Festivals / Jesuit Order / Old Goa / Society of Jesus

UPSC Prelims PYQ 2021: Historical statements on Iltutmish, Muhammad bin Tughluq, Deva Raya II

Jeevan Bisht
2021 / Delhi Sultanate / Indian History / Medieval India / UPSC Prelims PYQs
Deva Raya II / Genghis Khan / Iltutmish / Muhammad bin Tughluq / Vasco da Gama

UPSC Prelims PYQ 2021: Matching historical sites — Burzahom, Chandraketugarh, Ganeshwar

Jeevan Bisht
2021 / Ancient India / Indian History / Misc (Ancient) / UPSC Prelims PYQs
Archaeological Sites / Burzahom / Chandraketugarh / Ganeshwar / Neolithic Culture

UPSC Prelims PYQ 2021: Madanapalle — Tagore’s translation of the National Anthem

UPSC Prelims PYQ 2021: Nuniz on women in Vijayanagara — areas of expertise

UPSC Prelims PYQ 2021: Kingdoms in North India between Gupta decline and Harshavardhana

Jeevan Bisht
2021 / Ancient India / Gupta Empire / Indian History / UPSC Prelims PYQs
Harshavardhana / Later Guptas / Maitrakas / Maukharis / Pushyabhutis

English EIC factories in early 17th century – UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / European Settlement / Indian History / Modern India / UPSC Prelims PYQs
British Factories / Broach / English Factory / Masulipatnam / Surat

Dholavira water-harvesting system – UPSC Prelims PYQ 2021

Chausath Yogini Temple (Morena) facts – UPSC Prelims PYQ 2021

Symbiotic species in Cnidarians, Fungi, Protozoa – UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Environment / Environment Basics / UPSC Prelims PYQs
Cnidarians / Coral-Algae Symbiosis / Fungi / Protozoa / Symbiotic Association

Common Carbon Metric for buildings – UPSC Prelims PYQ 2021

Detritivores (earthworm, millipede, woodlouse) – UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Environment / Environment Basics / UPSC Prelims PYQs
Decomposition / Detritivores / Earthworms / Millipedes / Woodlice

Unconditional Women Cash Transfer Programmes () ()

Unconditional Cash Transfers (UCTs) to Women: Benefits, Initiatives & Challenges

Phosphorus cycle and rock weathering – UPSC Prelims PYQ 2021

Filter feeders – UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Environment / Species / UPSC Prelims PYQs
Aquatic Ecosystems / Filter Feeders / Marine Ecology / Oysters / Water Quality

Sources of magnetite particle pollution — UPSC Prelims PYQ 2021

New York Declaration on Forests — UPSC Prelims PYQ 2021

Animals that roll up for protection — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Environment / Species / UPSC Prelims PYQs
Chinese Pangolin / Hedgehog / Indian Pangolin / Marmot / Pangolin

Primary producers in ocean food chains — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Environment / Environment Basics / UPSC Prelims PYQs
Cyanobacteria / Diatoms / Marine Food Chains / Phytoplankton / Primary Producers

Natural mosquito repellent plant — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Environment / Species / UPSC Prelims PYQs
Citronella Oil / Congress Grass / Lemongrass / Mosquito Control / Natural Repellents

Organisms surviving on surfaces without soil — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Environment / Environment Basics / UPSC Prelims PYQs
Ferns / Lichens / Mosses / Pioneer Species / Soil Formation

Blue carbon definition — UPSC Prelims PYQ 2021

Jeevan Bisht
2021 / Climate Change / Climate Change Control / Environment / UPSC Prelims PYQs
Blue Carbon / Carbon Sequestration / Coastal Ecosystems / Mangroves / Seagrass

Furnace oil: properties and uses — UPSC Prelims PYQ 2021

Concerns about copper smelting plants UPSC Prelims PYQ 2021

R2 Code of Practices purpose UPSC Prelims PYQ 2021