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Environment & Ecology MCQ - Practice Questions

Practice 4,512 questions across 156 topics with detailed explanations.

4,512Questions
156Topics
3Difficulty levels

Topics in Environment & Ecology

Biodiversity & Conservation 958 questionsEnvironmental & Ecological Changes 732 questionsEnvironmental Issues 138 questionsRenewable Energy 107 questionsAccess and Benefit Sharing 101 questionsEco-Sensitive Zones 98 questionsRecycling 98 questionsWildlife Translocation 94 questionsPollution & Conservation 93 questionsRamsar Convention 93 questionsRamsar Wetlands 92 questionsHeatwave Preparedness 91 questionsAir Pollution Control 91 questionsConservation Areas of India 90 questionsClimate Change 89 questionsGrid Flexibility 88 questionsBig Cat Conservation 87 questionsPollution Control 86 questionsGRAP 84 questionsClean Energy Infrastructure 84 questionsEnergy Storage 83 questionsWater Resources Management 80 questionsBiodiversity Governance 77 questionsCritical Minerals 71 questionsClimate Data Governance 71 questionsPollution 70 questionsPumped Storage Hydropower 69 questionsCAQM Enforcement 57 questionsAir Pollution 53 questionsEarth Day Theme 39 questionsSustainable Aviation Fuel 30 questionsClimate-Resilient Agriculture 30 questionsEnvironment, ecology and biodiversity 19 questionsDelhi Declaration 15 questionsGeneral Knowledge 15 questionsupsc-p1-environment-ecology-ecosystem 13 questionsRajasthan GK 12 questionsupsc-p1-environment-ecosystem-types 10 questionsupsc-p1-environment-intl-conventions-orgs 10 questionsupsc-p1-environment-climate-conventions 10 questionsupsc-p1-environment-iucn-red-list 10 questionsupsc-p1-environment-laws-institutions 9 questionsupsc-p1-environment-climate-change-basics 9 questionsupsc-p1-environment-ozone-montreal 9 questionsupsc-p1-environment-indian-flora-fauna 8 questionsupsc-p1-environment-species-conservation 8 questionsupsc-p1-environment-reports-indices 8 questionsupsc-p1-environment-pollution 8 questionsupsc-p1-current-affairs-environment-news 8 questionsBiodiversity 8 questionsupsc-p1-environment-biodiversity 8 questionsupsc-p1-environment-wetlands-mangroves 7 questionsupsc-p1-environment-sustainable-development 7 questionsupsc-p1-environment-waste-management 7 questionsupsc-p1-environment-forests-conservation 7 questionsupsc-p1-environment-india-climate-action 7 questionsupsc-p1-economy-sustainable-development-sdg 6 questionsupsc-p1-environment-agriculture-environment 6 questionsupsc-p1-environment-protected-areas 6 questionsupsc-p1-environment-renewable-energy 6 questionsWildlife Conservation 4 questionsProject Cheetah 4 questionsGreat Indian Bustard 4 questionsBiosphere reserves and key fauna 4 questionsupsc-p1-geography-india-soils-vegetation 3 questionsWestern Ghats Eco-Sensitive Areas 3 questionsShip Recycling 3 questionsupsc-p1-geography-biogeography-soils 2 questionsState of Environment 2 questionsupsc-p1-geography-map-based-questions 2 questionsNamami Gange 2 questionsALMM List-II 2 questionsBiodiversity/Biological Diversity Act 2 questionsClimate Resilience 2 questionsNational parks of India 2 questionsEthanol blending 2 questionsForest Clearance 2 questionsSwachh Sagar Surakshit Sagar 2 questionsWildlife sanctuaries of Rajasthan 2 questionsMarine Ecolabelling 2 questionsHasdeo-Arand Forest Clearance 2 questionsProtected areas of Rajasthan 2 questionsWetlands and Biodiversity 2 questionsWildlife Institute of India 2 questionsAir Pollution and Clean Mobility 1 questionsAir Quality 1 questionsAquatic ecosystems and fisheries 1 questionsBiodegradation of organic matter 1 questionsBiodiversity distribution 1 questionsBiodiversity hotspots in India 1 questionsBiological Diversity Act, 2002 1 questionsBiomedical waste management 1 questionsBird sanctuaries of India 1 questionsCamel breeds and adaptations 1 questionsCaptive animal sponsorship 1 questionsConservation reserves of Rajasthan 1 questionsDam Safety Governance 1 questionsDesignated repositories 1 questionsDigital Governance 1 questionsDrought classification 1 questionsEcology and Conservation 1 questionsElectric Mobility 1 questionsEnvironmental Governance 1 questionsEnvironmental Reports 1 questionsEthanol Blending 1 questionsFauna of Rajasthan 1 questionsFire Safety 1 questionsForest fire prevention 1 questionsForest products: kattha 1 questionsGlacial meltwater chemistry 1 questionsGlobal warming and greenhouse effect 1 questionsGreen Hydrogen 1 questionsHeat Action Plans 1 questionsHimalayan glaciers and water quality 1 questionsIndian ecology pioneers 1 questionsInternational Agreements 1 questionsInternational Big Cat Alliance 1 questionsJal Shakti Abhiyan: Catch the Rain 1 questionsMedicinal plants of the Himalayas 1 questionsNDMA and IMD 1 questionsNational Committee on Dam Safety 1 questionsNational Green Hydrogen Mission 1 questionsNational Green Tribunal 1 questionsNational parks and states 1 questionsNatural Farming Research 1 questionsNatural Farming Support 1 questionsOzone and air pollution 1 questionsOzone depletion 1 questionsPhotosynthetically active radiation 1 questionsPopulation age structure 1 questionsProtected Areas 1 questionsRainwater harvesting 1 questionsRajasthan State Environment Policy 1 questionsRajasthan grasslands and forest produce 1 questionsRamsar sites in India 1 questionsSariska Tiger Reserve 1 questionsShola forests 1 questionsSocial forestry 1 questionsSouthwest Monsoon Onset 2026 1 questionsState symbols of Rajasthan 1 questionsTiger reserves of India 1 questionsUrban Heat Mitigation 1 questionsVehicle Scrappage Policy 1 questionsWater Conservation Measures 1 questionsWetlands and Conservation 1 questionsWildlife Conservation and International Cooperation 1 questionsWildlife sanctuaries and national parks 1 questionsWildlife sanctuaries of India 1 questionsWorld Environment Day 1 questionsupsc-p1-geography-india-climate-monsoon 1 questionsupsc-p1-geography-india-industries 1 questionsupsc-p1-geography-oceanography 1 questionsupsc-p1-geography-world-agriculture-economic 1 questionsupsc-p1-geography-world-climatic-regions 1 questionsProject GIB and Great Indian Bustard Conservation 1 questionsState of India's Environment Report 2026 1 questions

Sample questions

1The Stockholm Conference (1972) is significant because:

A Banned nuclear testing
B Created WHO
C First global conference on human environment; led to UNEP creation
D Created the Paris Agreement

2Consider the following statements: 1. Under the Wild Life (Protection) Act, a protected area means a National Park, sanctuary, conservation reserve or community reserve notified under the relevant sections of the Act. 2. A sanctuary can be declared only by the Central Government. 3. A National Park may be constituted from an area whether within a sanctuary or not. 4. A community reserve may be declared on private or community land that is not already part of a National Park, sanctuary or conservation reserve. Which of the statements given above are correct?

A 1 and 2 only
B 2, 3 and 4 only
C 1, 2 and 4 only
D 1, 3 and 4 only

3Consider the following statements using the corpus fact bank and PIB releases: 1. The corpus describes IBCA as an inter-governmental international organisation headquartered in India. 2. The corpus says IBCA is a private tourism association. 3. A PIB release says IBCA can strengthen global cooperation for big cat conservation. 4. A PIB release says IBCA excludes direct support to recovery efforts in potential range habitats. Which of the statements given above are correct?

A 1 and 2 only
B 2 and 4 only
C 1, 3 and 4 only
D 1 and 3 only

4Consider the following statements about invoking GRAP: 1. Actions under Stages II, III and IV may be invoked in advance based on dynamic model and weather or meteorological forecast. 2. Higher stages can be invoked only after the AQI has already crossed that stage's threshold for seven days. 3. Restrictive actions of previous stages continue along with the actions of the invoked higher stage. Which of the statements given above are correct?

A 1 and 2 only
B 2 and 3 only
C 1 and 3 only
D 1, 2 and 3

5India's record power capacity addition of 52,537 MW was primarily from which source?

A Coal-based thermal
B Renewable energy
C Nuclear power
D Gas-based power

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