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Layers of the Atmosphere — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAtmospheric Layers / Earth’s Atmosphere / Mesosphere / Stratosphere / Troposphere
Devadasis system at Jagannath Temple at Puri — UPSC Prelims PYQ 1996PMF IAS1996 / Art and Culture / Indian History / Places of Cultural Importance / UPSC Prelims PYQsDevadasis System / Jagannath Temple / Maharis / Odisha / Puri
Asteroids — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAsteroid Belt / Asteroids / Ceres / Mars / Solar System
Disease–Organism Matching — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsMalaria / Poliomyelitis / Protozoan Diseases / Ringworm / Tuberculosis
Metals and Amalgams — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAmalgams / Copper / Iron / Mercury / Zinc
Planets — UPSC Prelims PYQ 1998 (Match List)PMF IAS1998 / UPSC Prelims PYQsJupiter / Planets / Pluto / Solar System / Venus
Acetylene — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAcetylene / Calcium Carbide / Oxy-Acetylene Welding / Plastics / PVC
Haemophilia — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsGenetic Disorders / Haemophilia / Haemophilia A / Haemophilia B / Hereditary Disorders
Match Scientists to Their Theories — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsCharles Darwin / Hugo de Vries / Operon Concept / Theory of Evolution / Theory of Mutation
Complete Conversion of Glucose with Oxygen — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAerobic Respiration / Cellular Respiration / Glucose / Glucose Metabolism / Oxygen
Definition of One Astronomical Unit — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAstronomical Unit / Astronomy / Earth-Sun Distance / Solar System / Sun
Starch vs Cellulose Iodine Test — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsCellulose / Glucose / Iodine Test / Polysaccharides / Starch
Why a Metal Wire Heats with Electric Current — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsElectric Current / Electrical Energy / Electrical Resistance / Joule Heating / Metal Wires
Formic Acid vs Acetic Acid Strength — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAcetic Acid / Acid Strength / Electron-Releasing Effect / Formic Acid / Organic Acids
Dara Shikoh’s Expeditions and Mughal Campaigns — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsBalkh / Dara Shikoh / Mughal Empire / Qandahar / Shah Jahan
Cripps Mission and Congress Response — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsCripps Mission / Cripps Proposals / Dominion Status / Indian National Congress / Transfer of Power
Partition of Bengal and the Moderates — UPSC Prelims PYQ 1998PMF IAS1998 / Indian History / Modern India / Nationalist Movement (1934-39) / UPSC Prelims PYQsExtremists / Indian National Congress / Moderates / Partition of Bengal / Surat Split
Khilafat Movement and National Movement — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsIndian National Congress / Indian National Movement / Indian Nationalism / Khilafat Movement / Non-Cooperation Movement
Asoka’s Edicts: Social Harmony vs Religious Devotion — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAshoka / Ashokan Edicts / Dhamma / Religious Tolerance / Social Harmony
Which language is Austric (Austroasiatic)? — UPSC Prelims PYQ 1998PMF IAS1998 / UPSC Prelims PYQsAustric Languages / Austroasiatic Languages / Khasi Language / Language Families / Meghalaya
Leader of the Ghadar Party — UPSC Prelims PYQ 1998PMF IAS1998 / Indian History / Modern India / Nationalist Movement 1905-1918 / UPSC Prelims PYQsGhadar Movement / Ghadar Party / Indian Independence Movement / Lala Hardayal / Revolutionary Nationalism
Fuse Properties — UPSC Prelims PYQ 1998PMF IAS1998 / General Science / Physics / UPSC Prelims PYQsElectric Circuits / Electrical Fuse / Electrical Safety / Excess Current / Fuse Properties
Atmospheric Layers Sequence — UPSC Prelims PYQ 1998PMF IAS1998 / Climatology / Geography / Physical Geography / UPSC Prelims PYQsAtmospheric Layers / Ionosphere / Mesosphere / Stratosphere / Troposphere
Asteroids — UPSC Prelims PYQ 1998PMF IAS1998 / Astronomy and Solar System / General Science / UPSC Prelims PYQsAsteroid Belt / Asteroids / Ceres / Jupiter / Mars
UPSC Prelims PYQ 1998: Match diseases to causative organisms — Malaria, Polio, TB, RingwormPMF IAS1998 / General Science / Health and Diseases / UPSC Prelims PYQsMalaria / Plasmodium / Poliomyelitis / Ringworm / Tuberculosis
UPSC Prelims PYQ 1998: Which metal does not form amalgams?PMF IAS1998 / Chemistry / General Science / UPSC Prelims PYQsAmalgams / Copper / Iron / Mercury / Zinc
UPSC Prelims PYQ 1998: Match planets to properties — farthest, largest, second, nearestPMF IAS1998 / Astronomy and Solar System / General Science / UPSC Prelims PYQsJupiter / Planets / Pluto / Solar System / Venus
UPSC Prelims PYQ 1998: Statements about acetylene — uses and productionPMF IAS1998 / Chemistry / General Science / UPSC Prelims PYQsAcetylene / Calcium Carbide / Oxy-Acetylene Welding / Plastic Manufacturing / PVC Production
UPSC Prelims PYQ 1998: What does haemophilia lead to?PMF IAS1998 / General Science / Health and Diseases / UPSC Prelims PYQsBlood Clotting / Genetic Disorders / Haemophilia / Haemophilia A / Hereditary Diseases
UPSC Prelims PYQ 1998: Match theories and scientists — Mutation, Evolution, One gene–one enzyme, OperonPMF IAS1998 / Biology / General Science / UPSC Prelims PYQsGene-Enzyme Hypothesis / Hugo de Vries / Mutation Theory / Operon Concept / Theory of Evolution
UPSC Prelims PYQ 1998: Complete conversion of glucose in presence of oxygen is called?PMF IAS1998 / Chemistry / General Science / UPSC Prelims PYQsAerobic Respiration / Anaerobic Respiration / Cellular Respiration / Glucose Metabolism / Glycolysis
UPSC Prelims PYQ 1998: Astronomical Unit — average distance between which bodies?PMF IAS1998 / Astronomy and Solar System / General Science / UPSC Prelims PYQsAstronomical Unit / Earth / Earth-Sun Distance / Solar System / Sun
Iodine test: starch vs cellulose — UPSC Prelims PYQ 1998PMF IAS1998 / Biology / General Science / UPSC Prelims PYQsAmylose / Cellulose / Iodine / Polysaccharides / Starch
Why wire heats when current passes — UPSC Prelims PYQ 1998PMF IAS1998 / General Science / Physics / UPSC Prelims PYQsElectric Current / Electrical Resistance / Electron Collision / Joule Heating / Metal Wires
Formic acid vs acetic acid strength — UPSC Prelims PYQ 1998PMF IAS1998 / Chemistry / General Science / UPSC Prelims PYQsAcetic Acid / Acid Strength / Formic Acid / Inductive Effect / Organic Acids
Dara Shikoh’s expeditions under Shah Jahan — UPSC Prelims PYQ 1998PMF IAS1998 / Indian History / Medieval India / Mughal Empire / UPSC Prelims PYQsBalkh / Dara Shikoh / Mughal Empire / Qandahar / Shah Jahan
Congress rejection of Cripps proposals — UPSC Prelims PYQ 1998PMF IAS1998 / Indian History / Modern India / Nationalist Movement (WW II) / UPSC Prelims PYQsCripps Mission / Cripps Proposals / Dominion Status / Indian Independence / Indian National Congress
Partition of Bengal and the Moderates — UPSC Prelims PYQ 1998PMF IAS1998 / Indian History / Modern India / Nationalist Movement 1905-1918 / UPSC Prelims PYQsExtremists / Indian National Congress / Moderates / Partition of Bengal / Surat Session
Khilafat movement and urban Muslims — UPSC Prelims PYQ 1998PMF IAS1998 / Indian History / Modern India / Non-cooperation and Khilafat Movements / UPSC Prelims PYQsAnti-Imperialism / Indian National Movement / Khilafat Movement / Non-Cooperation Movement / Urban Muslims
Consider the following statements about Ashoka’s edicts and social harmony — UPSC Prelims PYQ 1998PMF IAS1998 / Ancient India / Indian History / Mauryan Period / UPSC Prelims PYQsAshoka / Ashokan Edicts / Dhamma / Religious Tolerance / Social Harmony
Which language belongs to the Austric group? UPSC Prelims PYQ 1998PMF IAS1998 / Art and Culture / Indian History / Language and Literature / UPSC Prelims PYQsAustric Languages / Austroasiatic Languages / Khasi Language / Language Families / Meghalaya
Sustainable Coastal Development and ResiliencePMF IASEnvironment / Mains Pathfinder (Daily Mains Answer Writing) / Pathfinder for Mains – 2026
Illegal Immigration in India: Reasons, Impacts & Key ChallengesPMF IASIndian Society (IS) / Mains Pathfinder (Daily Mains Answer Writing) / Pathfinder for Mains – 2026Citizenship Act / Foreigners Act / Illegal Immigration / Immigration Laws / India-Bangladesh Border
Professionals at risk of a permanent change in their cells’ DNA — UPSC Prelims PYQ 1996PMF IAS1996 / Art and Culture / Biotechnology / Indian History / Places of Cultural Importance / Science and Technology / UPSC Prelims PYQsCarbon-14 Isotope / Chemical Mutagens / DNA Mutations / Ionizing Radiation / X-ray Technicians
Supply-side economics emphasis — UPSC Prelims PYQ 1998PMF IAS1998 / Economic Activity / Economy / UPSC Prelims PYQsEconomic Growth / Economic Policy / Producers / Production / Supply-Side Economics
Consumer equilibrium — UPSC Prelims PYQ 1998PMF IAS1998 / Economic Activity / Economy / UPSC Prelims PYQsBudget Constraint / Consumer Behaviour / Consumer Equilibrium / Consumer Theory / Utility Maximisation
MERCOSUR group of countries — UPSC Prelims PYQ 1998PMF IAS1998 / International Relations / Organisations and Groupings / UPSC Prelims PYQsLatin America / MERCOSUR / South American Trade / Southern Common Market / Trade Blocs
White goods delicense — UPSC Prelims PYQ 1998PMF IAS1998 / Economic Activity / Economy / UPSC Prelims PYQsConsumer Durables / Delicensing / Household Appliances / Industrial Policy / White Goods