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UPSC Prelims Environment and Ecology PYQs (2011–2026): Topic-wise with Answers – Page 5
283 UPSC Prelims questions on Environment and Ecology from 2011–2026, grouped by topic with the newest year first. The most-asked topics are Climate Change (43), Biodiversity (41), Pollution (40). Difficulty: 18% easy, 53% medium and 29% hard.
Agriculture and Environment 13 questions
- Palm OilWith reference to 'palm oil', consider the following statements:
- Fertigation AdvantagesWhat are the advantages of fertigation in agriculture?
- Zero Tillage AdvantagesWhat is/are the advantage/advantages of zero tillage in agriculture?
- Sugarcane Cultivation TrendsWith reference to the current trends in the cultivation of sugarcane in India, consider the following statements:
- Eco Friendly AgricultureIn the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture?
- Biochar FarmingWhat is the use of biochar in farming?
- Carbofuran PesticidesIn India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as
- Agricultural Heritage Systems FAOThe FAO accords the status of ‘Globally Important Agricultural Heritage System (GIAHS)’ to traditional agricultural systems. What is the overall goal of this initiative?
- Sustainable Sugarcane InitiativeWhat are the significance of a practical approach to sugarcane production known as 'Sustainable Sugarcane Initiative'?
- Legumes Pulse Fodder Green ManureConsider the following crops of India:
- Carbon Sequestration Farming PracticesConsider the following agricultural practices:
- Soil Salinization EffectsSalinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the…
- Micro Irrigation FertigationWith reference to micro-irrigation, which of the following statements is/are correct?
Protected Areas and Conservation 16 questions
- Madhav National ParkWith reference to Madhav National Park, which of the following statements is/are correct?
- Community ReserveConsider the following statements:
- Hokera Renuka Rudrasagar SasthamkottaConsider the following pairs: Wetland/Lake Location
- Desert National ParkWith reference to India's Desert National Park, which of the following statements are correct?
- Critical Tiger HabitatAmong the following Tiger Reserves, which one has the largest area under 'Critical Tiger Habitat'?
- Cauvery Basin Protected AreasWhich of the following Protected Areas are located in Cauvery basin?
- Kanha BarasinghaWhich one of the following protected areas is well-known for the conservation of a sub-species of the Indian swamp deer (Barasingha) that thrives well on hard ground…
- Agasthyamala Biosphere ReserveWhich of the following are in Agasthyamala Biosphere Reserve?
- Valley of Flowers National ParkWhich one of the following National Parks lies completely in the temperate alpine zone?
- Pakhui Wildlife SanctuaryIn which one of the following States is Pakhui Wildlife Sanctuary located?
- Keibul Lamjao National ParkWhich of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?
- Namdapha National ParkWhich one of the following National Parks has a climate that varies from tropical to subtropical, temperate and arctic?
- Eco Sensitive ZonesWith reference to 'Eco-Sensitive Zones', which of the following statements is/are correct?
- Wetlands River ConfluencesConsider the following pairs:
- Bandipur Manas Sundarbans Tiger ReservesConsider the following protected areas:
- National Park Biomass RestrictionsIn which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass?
Environmental Organisations 14 questions
- FAO Blue TransformationAt the United Nations Ocean Conference (UNOC) held in June, 2025 in France, the Food and Agricultural Organization (FAO) of the United Nations demonstrated its leading…
- Nirantar Natural Resources InstituteWhich of the following statements in relation to NIRANTAR (National Institute for Research and Application of Natural Resources to Transform, Adapt and Build…
- Hundred Million FarmersWhich one of the following is the correct description of '100 Million Farmers'?
- Invasive Species Specialist GroupInvasive species Specialist Group' (that develops Global Invasive Species Database) belongs to which one of the following organizations?
- Seabed Mining GovernanceConsider the following statements:
- Green Tribunal vs Pollution BoardHow is the National Green Tribunal (NGT) different from the Central Pollution Control Board (CPCB)?
- PAGE Green Economy PartnershipThe Partnership for Action on Green Economy (PAGE), a UN mechanism to assist countries transition towards greener and more inclusive economies, emerged at
- Traffic Wildlife Trade NetworkConsider the following statements in respect of Trade Related Analysis of Fauna and Flora in Commerce (TRAFFIC):
- IUCN and CITESWith reference to the International Union for Conservation of Nature and Natural Resource (IUCN) and the Convention of International Trade in Endangered Species of Wild…
- Environment Statutory BodiesConsider the following statements:
- Earth HourConsider the following statements regarding 'Earth Hour':
- Bombay Natural History SocietyWith reference to Bombay Natural History Society (BNHS), consider the following statements:
- Global Environment FacilityWith reference to 'Global Environment Facility', which of the following statements is/are correct?
- Wetlands InternationalWith reference to a conservation organization called 'Wetlands International', which of the following statements is/are correct?