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Environment & Ecology

226 PYQs · Asked in 16 of 16 years · Free practice

PYQs on Environment & Ecology 226 PYQs from 2011–2026

Prelims 2026

8 questions
Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2026 · Q21

Consider the following statements with reference to India's response to climate change : I. India's Long-Term Low Emission Development Strategy (LT-LEDS) is a crucial tool for achieving net-zero emissions by 2070. II. India's 4th Biennial Update Report (BUR-4) submitted in December, 2024 recorded around 8% decrease in Greenhouse gas emissions in 2020 over 2019. III. Climate-resilient development necessarily depends on quick and short-term achievement of emission reduction targets. Which of the following relationships among the above statements is/are correct ? 1. Statement I is empirically supported by statement II. 2. Statement III contradicts the approach implicit in statement I. 3. Statement I and statement III together establish the premise of long-term sustainability. Select the answer using the code given below :

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Environment & EcologySpecies and Wildlife ConservationThreatened Species and IUCN Red List2026 · Q22

With respect to the Western Hoolock Gibbons, which of the following statements is/are correct? 1. A Sanctuary in North-east India is home to this ape species listed as Endangered in the International Union for Conservation of Nature (IUCN) Red List. 2. They have specialized brachiation and can easily swing between trees. 3. They possess a strong and heavy build like gorillas, yet are remarkably agile tree climbers. Select the answer using the code given below:

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Environment & EcologyAquatic, Wetland and Marine EcosystemsEstuaries, Mangroves and Coastal Wetlands2026 · Q23

Which of the following best explain(s) the rationale for protecting mangrove ecosystems in the context of climate resilience? 1. Mangroves reduce tidal energy and store freshwater, making them ideal sites for paddy cultivation in saline estuarine belts. 2. Their salt-sensitive roots filter seawater, making mangroves key to converting coastal land into freshwater aquaculture zones. 3. By withstanding tidal surges and offering biomass resources, mangroves function both as natural bio-shields and livelihood bases for rural communities. Select the answer using the code given below:

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Environment & EcologySpecies and Wildlife ConservationMigratory Species and Flyways2026 · Q27

Which of the following statements with regard to the arrival of Amur Falcons at Doyang Lake in Nagaland each year from Mongolia is/are correct? 1. It showcases how sustained local conservation efforts can contribute to the arrival and protection of international migratory birds. 2. It reflects the global success of advanced tracking technologies that guide migratory birds back to their stopover sites. 3. It confirms that Amur Falcons have adapted to permanent residency in India due to favourable habitat changes. Select the answer using the code given below:

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Environment & EcologyProtected Areas and Conservation LandscapesTiger Reserves, Elephant Reserves and Species Landscapes2026 · Q32

With reference to Madhav National Park, which of the following statements is/are correct ? 1. It was declared a Tiger Reserve in India in 2025. 2. Sakhya Sagar, which is designated as a Ramsar Site, is situated within this National Park. 3. Its area is shared between Madhya Pradesh and Rajasthan. Select the answer using the code given below :

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2026 · Q36

Consider the following statements about Rhynchostylis retusa (Foxtail orchid) : 1. It is an epiphytic orchid. 2. The species is endemic to North-east India. 3. It is the State flower of Arunachal Pradesh and Assam. Which of the statements given above is/are correct ?

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Environment & EcologyClimate ChangeCarbon Pricing, Markets and Article 6 Mechanisms2026 · Q40

Which one of the following is the first Plan Vivo certified Reducing Emissions from Deforestation and Forest Degradation (REDD+) project in India ?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Institutions, Tribunals and Compliance2026 · Q77

Which of the following statements in relation to NIRANTAR (National Institute for Research and Application of Natural Resources to Transform, Adapt and Build Resilience), a platform of institutions under the Ministry of Environment, Forest and Climate Change, is/are correct ? 1. Ecosystem Survey and Analysis is a vertical under this platform, the lead institute of which is Botanical Survey of India, Kolkata. 2. Research and Management of Ecosystem Service is a vertical under this platform, the lead institute of which is Central Zoo Authority, New Delhi. 3. Capacity Development Support is a vertical under this platform, the lead institute of which is Indian Institute of Forest Management, Bhopal. Select the answer using the code given below :

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Prelims 2025

14 questions
Environment & EcologySustainable Development and Environmental SolutionsCircular Economy, Resource Efficiency and Industrial Symbiosis2025 · Q9

Consider the following statements: Statement I: Circular economy reduces the emissions of greenhouse gases. Statement II: Circular economy reduces the use of raw materials as inputs. Statement III: Circular economy reduces wastage in the production process. Which one of the following is correct in respect of the above statements?

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Environment & EcologyClimate ChangeEmission Sources, Inventories and Carbon Footprints2025 · Q31

Consider the following statements: Statement I: Studies indicate that carbon dioxide emissions from cement industry account for more than 5% of global carbon emissions. Statement II: Silica-bearing clay is mixed with limestone while manufacturing cement. Statement III: Limestone is converted into lime during clinker production for cement manufacturing. Which one of the following is correct in respect of the above statements?

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Environment & EcologyInternational Environmental ConventionsUNFCCC, Kyoto, Paris and COP Process2025 · Q32

Consider the following statements: Statement I: At the 28th United Nations Climate Change Conference (COP28), India refrained from signing the “Declaration on Climate and Health”. Statement II: The COP28 Declaration on Climate and Health is a binding declaration; and if signed, it becomes mandatory to decarbonize health sector. Statement III: If India’s health sector is decarbonized, the resilience of its health-care system may be compromised. Which one of the following is correct in respect of the above statements?

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Environment & EcologyInternational Environmental ConventionsUNFCCC, Kyoto, Paris and COP Process2025 · Q34

Consider the following statements: Statement I: Article 6 of the Paris Agreement on climate change is frequently discussed in global discussions on sustainable development and climate change. Statement II: Article 6 of the Paris Agreement on climate change sets out the principles of carbon markets. Statement III: Article 6 of the Paris Agreement on climate change intends to promote inter-country non-market strategies to reach their climate targets. Which one of the following is correct in respect of the above statements?

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Environment & EcologyInternational Environmental ConventionsUNCCD, Global Environmental Institutions and Finance2025 · Q35

Which one of the following launched the 'Nature Solutions Finance Hub for Asia and the Pacific'?

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Environment & EcologyClimate ChangeCarbon Removal, Sequestration and Negative Emissions2025 · Q36

With reference to Direct Air Capture, an emerging technology, which of the following statements is/are correct? I. It can be used as a way of carbon sequestration. II. It can be a valuable approach for plastic production and in food processing. III. In aviation, it can be a source of carbon for combining with hydrogen to create synthetic low-carbon fuel. Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2025 · Q37

Regarding Peacock tarantula (Gooty tarantula), consider the following statements: I. It is an omnivorous crustacean. II. Its natural habitat in India is only limited to some forest areas. III. In its natural habitat, it is an arboreal species. Which of the statements given above is/are correct?

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Environment & EcologyClimate ChangeEmission Sources, Inventories and Carbon Footprints2025 · Q38

Consider the following statements: I. Carbon dioxide (CO₂) emissions in India are less than 0.5 t CO₂/capita. II. In terms of CO₂ emissions from fuel combustion, India ranks second in Asia-Pacific region. III. Electricity and heat producers are the largest sources of CO₂ emissions in India. Which of the statements given above is/are correct?

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Environment & EcologyAquatic, Wetland and Marine EcosystemsMarine Food Webs, Plankton and Ocean Productivity2025 · Q40

With reference to the planet Earth, consider the following statements: I. Rain forests produce more oxygen than that produced by oceans. II. Marine phytoplankton and photosynthetic bacteria produce about 50% of world's oxygen. III. Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air. Which of the statements given above is/are correct?

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Environment & EcologyPollution and Waste ManagementPlastic and Microplastic Pollution2025 · Q44

Consider the following: I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic?

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Environment & EcologyPollution and Waste ManagementIndustrial Pollution Control, Adsorption and Remediation2025 · Q50

Consider the following statements: Statement I: Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries. Statement II: Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals. Statement III: Activated carbon can be easily synthesized from environmental wastes with high carbon content. Which one of the following is correct in respect of the above statements?

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Environment & EcologyClimate ChangeClimate Impacts, Vulnerability and Extreme Events2025 · Q64

The World Bank warned that India could become one of the first places where wet-bulb temperatures routinely exceed 35 °C. Which of the following statements best reflect(s) the implication of the above-said report? I. Peninsular India will most likely suffer from flooding, tropical cyclones and droughts. II. The survival of animals including humans will be affected as shedding of their body heat through perspiration becomes difficult. Select the correct answer using the code given below.

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Environment & EcologySustainable Development and Environmental SolutionsRenewable Energy and Energy Transition Solutions2025 · Q70

Consider the following statements about 'PM Surya Ghar Muft Bijli Yojana': I. It targets installation of one crore solar rooftop panels in the residential sector. II. The Ministry of New and Renewable Energy aims to impart training on installation, operation, maintenance and repairs of solar rooftop systems at grassroot levels. III. It aims to create more than three lakhs skilled manpower through fresh skilling, and up-skilling, under scheme component of capacity building. Which of the statements given above are correct?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Policies, Missions and Restoration Frameworks2025 · Q90

Which organization has enacted the Nature Restoration Law (NRL) to tackle climate change and biodiversity loss?

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Prelims 2024

13 questions12 scored · 1 dropped (reference only)
Environment & EcologyAquatic, Wetland and Marine EcosystemsWetland Ecology and Ecosystem Services2024 · Q16

One of the following regions has the world’s largest tropical peatland, which holds about three years' worth of global carbon emissions from fossil fuels; and the possible destruction of which can exert detrimental effect on the global climate. Which one of the following denotes that region?

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Environment & EcologyPollution and Waste ManagementToxic Chemicals, Pesticides and Persistent Organic Pollutants2024 · Q17

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements : 1. PFAS are found to be widespread in drinking water, food and food packaging materials. 2. PFAS are not easily degraded in the environment. 3. Persistent exposure to PFAS can lead to bioaccumulation in animal bodies. Which of the statements given above are correct?

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Environment & EcologyEcology FundamentalsSpecies Interactions and Community Ecology2024 · Q18

Consider the following: 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps Parasitoid species are found in how many of the above kind of organisms?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsWildlife Protection Law and Enforcement2024 · Q20Dropped by UPSC · Reference only

Consider the following statements: Statement-I: The Indian Flying Fox is placed under the “vermin” category in the Wild Life (Protection) Act, 1972. Statement-II: The Indian Flying Fox feeds on the blood of other animals. Which one of the following is correct in respect of the above statements?

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Environment & EcologyPollution and Waste ManagementPlastic and Microplastic Pollution2024 · Q22

Consider the following statements : Statement-I: Many chewing gums found in the market are considered a source of environmental pollution. Statement-II: Many chewing gums contain plastic as gum base. Which one of the following is correct in respect of the above statements?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2024 · Q23

Consider the following pairs: Country - Animal found in its natural habitat 1. Brazil - Indri 2. Indonesia - Elk 3. Madagascar - Bonobo How many of the pairs given above are correctly matched ?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2024 · Q25

Consider the following statements : 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male leopards do not proclaim their territory by scent marking. Which of the statements given above are correct?

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Environment & EcologyEcology FundamentalsSpecies Interactions and Community Ecology2024 · Q28

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2024 · Q29

Consider the following: 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2024 · Q30

Consider the following : 1. Cashew 2. Papaya 3. Red sanders How many of the above trees are actually native to India?

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Environment & EcologyPollution and Waste ManagementWater Pollution, Eutrophication and Effluent2024 · Q39

“Membrane Bioreactors” are often discussed in the context of:

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2024 · Q90

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?

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Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2024 · Q96

Consider the following statements: Statement-I: The European Parliament approved The Net-Zero Industry Act recently. Statement-II: The European Union intends to achieve carbon neutrality by 2040 and therefore aims to develop all of its own clean technology by that time. Which one of the following is correct in respect of the above statements?

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Prelims 2023

12 questions
Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2023 · Q12

Consider the following statements : Statement-I :Marsupials are not naturally found in India. Statement-II :Marsupials can thrive only in montane grasslands with no predators. Which one of the following is correct in respect of the above statements?

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Environment & EcologySpecies and Wildlife ConservationInvasive Alien Species2023 · Q13

'Invasive Species Specialist Group' (that develops Global Invasive Species Database) belongs to which one of the following organizations?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2023 · Q14

Consider the following fauna: 1. Lion-tailed Macaque 2. Malabar Civet 3. Sambar Deer How many of the above are generally nocturnal or most active after sunset?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2023 · Q15

Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2023 · Q17

Consider the following statements regarding the Indian squirrels : 1. They build nests by making burrows in the ground. 2. They store their food materials like nuts and seeds in the ground. 3. They are omnivorous. How many of the above statements are correct?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2023 · Q19

Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?

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Environment & EcologyClimate ChangeCarbon Pricing, Markets and Article 6 Mechanisms2023 · Q23

Consider the following statements : Statement-I:Carbon markets are likely to be one of the most widespread tools in the fight against climate change. Statement-II:Carbon markets transfer resources from the private sector to the State. Which one of the following is correct in respect of the above statements?

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Environment & EcologyProtected Areas and Conservation LandscapesConservation Reserves, Community Reserves and Sacred Groves2023 · Q38

Consider the following statements : Once the Central Government notifies an area as a 'Community Reserve' 1. the Chief Wildlife Warden of the State becomes the governing authority of such forest 2. hunting is not allowed in such area 3. people in such areas are allowed to collect non-timber forest produce 4. people of such areas are allowed traditional agricultural practices How many of the above statements are correct?

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Environment & EcologyPollution and Waste ManagementToxic Chemicals, Pesticides and Persistent Organic Pollutants2023 · Q59

Consider the following statements regarding mercury pollution: 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal power plants cause mercury pollution. 3. There is no known safe level of exposure to mercury. How many of the above statements are correct?

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Environment & EcologyTerrestrial EcosystemsSoil Ecology, Decomposition and Terrestrial Nutrient Cycling2023 · Q63

Consider the following statements: Statement-I:The soil in tropical rain forests is rich in nutrients. Statement-II:The high temperature and moisture of tropical rain forests cause dead organic matter in the soil to decompose quickly. Which one of the following is correct in respect of the above statements?

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Environment & EcologyClimate ChangeCarbon Removal, Sequestration and Negative Emissions2023 · Q68

Consider the following activities: 1. Spreading finely ground basalt rock on farmlands extensively 2. Increasing the alkalinity of oceans by adding lime 3. Capturing carbon dioxide released by various industries and pumping it into abandoned subterranean mines in the form of carbonated waters How many of the above activities are often considered and discussed for carbon capture and sequestration?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsBiological Diversity Law and Access-Benefit Sharing2023 · Q79

Consider the following statements: 1. In India, the Biodiversity Management Committees are key to the realization of the objectives of the Nagoya Protocol. 2. The Biodiversity Management Committees have important functions in determining access and benefit sharing, including the power to levy collection fees on the access of biological resources within its jurisdiction. Which of the statements given above is/are correct?

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Prelims 2022

12 questions
Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2022 · Q41

"Climate Action Tracker" which monitors the emission reduction pledges of different countries is a:

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Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2022 · Q42

Consider the following statements: 1. "The Climate Group" is an international non-profit organization that drives climate action by building large networks and runs them. 2. The International Energy Agency in partnership with the Climate Group launched a global initiative "EP100". 3. EP100 brings together leading companies committed to driving innovation in energy efficiency and increasing competitiveness while delivering on emission reduction goals. 4. Some Indian companies are members of EP100. 5. The International Energy Agency is the Secretariat to the "Under2 Coalition". Which of the statements given above are correct?

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Environment & EcologyAquatic, Wetland and Marine EcosystemsWetland Ecology and Ecosystem Services2022 · Q43

"If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys." Which one of the following functions of wetlands best reflects the above statement?

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2022 · Q44

In the context of WHO Air Quality Guidelines, consider the following statements: 1. The 24-hour mean of PM2. 5 should not exceed 15 µg/m3 and annual mean of PM2. 5 should not exceed 5 µg/m3. 2. In a year, the highest levels of ozone pollution occur during the periods of inclement weather. 3. PM10 can penetrate the lung barrier and enter the bloodstream. 4. Excessive ozone in the air can trigger asthma. Which of the statements given above are correct?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2022 · Q45

With reference to "Gucchi" sometimes mentioned in the news, consider the following statements: 1. It is a fungus. 2. It grows in some Himalayan forest areas. 3. It is commercially cultivated in the Himalayan foothills of north-eastern India. Which of the statements given above is/are correct?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2022 · Q47

Which of the following is not a bird?

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Environment & EcologySustainable Development and Environmental SolutionsNature-Based Solutions and Ecosystem Restoration2022 · Q49

"Biorock technology" is talked about in which one of the following situations?

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Environment & EcologySustainable Development and Environmental SolutionsNature-Based Solutions and Ecosystem Restoration2022 · Q50

The "Miyawaki method" is well known for the:

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironment Protection Act and Regulatory Framework2022 · Q75

Which one of the following has been constituted under the Environment (Protection) Act, 1986?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsWildlife Protection Law and Enforcement2022 · Q89

With reference to Indian laws about wildlife protection, consider the following statements: 1. Wild animals are the sole property of the government. 2. When a wild animal is declared protected, such animal is entitled for equal protection whether it is found in protected areas or outside. 3. Apprehension of a protected wild animal becoming a danger to human life is sufficient ground for its capture or killing. Which of the statements given above is/are correct?

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Environment & EcologyEcology FundamentalsSpecies Interactions and Community Ecology2022 · Q90

Certain species of which one of the following organisms are well known as cultivators of fungi?

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2022 · Q100

Consider the following: 1. Carbon monoxide 2. Nitrogen oxide 3. Ozone 4. Sulphur dioxide Excess of which of the above in the environment is/are cause(s) of acid rain?

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Prelims 2021

18 questions
Environment & EcologyPollution and Waste ManagementHazardous, Biomedical, Electronic and Radioactive Waste2021 · Q16

'R2 Code of Practices' constitutes a tool available for promoting the adoption of

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Environment & EcologyPollution and Waste ManagementIndustrial Pollution Control, Adsorption and Remediation2021 · Q17

Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into environment. 2. The copper slag can cause the leaching of some heavy metals into environment. 3. They may release sulphur dioxide as a pollutant. Select the correct answer using the code given below.

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Environment & EcologyClimate ChangeCarbon Removal, Sequestration and Negative Emissions2021 · Q19

What is blue carbon?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2021 · Q20

In the nature, which of the following is/are most likely to be found surviving on a surface without soil? 1. Fern 2. Lichen 3. Moss 4. Mushroom Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2021 · Q21

Which one of the following is used in preparing a natural mosquito repellent?

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Environment & EcologyAquatic, Wetland and Marine EcosystemsMarine Food Webs, Plankton and Ocean Productivity2021 · Q22

Consider the following kinds of organisms: 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera Which of the above are primary producers in the food chains of oceans?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2021 · Q23

Consider the following animals: 1. Hedgehog 2. Marmot 3. Pangolin To reduce the chance of being captured by predators, which of the above organisms rolls up/roll up and protects/protect its/their vulnerable parts?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Policies, Missions and Restoration Frameworks2021 · Q24

With reference to the 'New York Declaration on Forests', which of the following statements are correct? 1. It was first endorsed at the United Nations Climate Summit in 2014. 2. It endorses a global timeline to end the loss of forests. 3. It is a legally binding international declaration. 4. It is endorsed by governments, big companies and indigenous communities. 5. India was one of the signatories at its inception. Select the correct answer using the code given below.

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2021 · Q25

Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following? 1. Brakes of motor vehicles 2. Engines of motor vehicles 3. Microwave stoves within homes 4. Power plants 5. Telephone lines Select the correct answer using the code given below.

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Environment & EcologyEcology FundamentalsFood Chains, Food Webs and Trophic Dynamics2021 · Q26

Which one of the following is a filter feeder?

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Environment & EcologyEcology FundamentalsBiogeochemical Cycles2021 · Q27

In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?

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Environment & EcologyTerrestrial EcosystemsSoil Ecology, Decomposition and Terrestrial Nutrient Cycling2021 · Q28

Which of the following are detritivores? 1. Earthworms 2. Jellyfish 3. Millipedes 4. Seahorses 5. Woodlice Select the correct answer using the code given below.

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Environment & EcologyClimate ChangeEmission Sources, Inventories and Carbon Footprints2021 · Q29

The 'Common Carbon Metric', supported by UNEP, has been developed for

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Environment & EcologyEcology FundamentalsSpecies Interactions and Community Ecology2021 · Q30

Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the correct answer using the code given below.

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Environment & EcologyTerrestrial EcosystemsGrassland and Savanna Ecosystems2021 · Q61

The vegetation of savannah consists of grassland with scattered small trees, but extensive areas have no trees. The forest development in such areas is generally kept in check by one or more or a combination of some conditions. Which of the following are such conditions? 1. Burrowing animals and termites 2. Fire 3. Grazing herbivores 4. Seasonal rainfall 5. Soil properties Select the correct answer using the code given below.

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Environment & EcologyPollution and Waste ManagementToxic Chemicals, Pesticides and Persistent Organic Pollutants2021 · Q75

‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsForest Conservation Law and Forest Governance2021 · Q84

At the national level, which ministry is the nodal agency to ensure effective implementation of the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006?

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Environment & EcologySustainable Development and Environmental SolutionsNature-Based Solutions and Ecosystem Restoration2021 · Q97

Consider the following statements: Statement 1: The United Nations Capital Development Fund (UNCDF) and the Arbor Day Foundation have recently recognized Hyderabad as 2020 Tree City of the World. Statement 2: Hyderabad was selected for the recognition for a year following its commitment to grow and maintain the urban forests. Which one of the following is correct in respect of the above statements?

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Prelims 2020

13 questions
Environment & EcologyPollution and Waste ManagementToxic Chemicals, Pesticides and Persistent Organic Pollutants2020 · Q48

Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished wooden furniture 5. Using products made of polyurethane Select the correct answer using the code given below:

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2020 · Q72

With reference to Indian elephants, consider the following statements: 1. The leader of an elephant group is a female. 2. The maximum gestation period can be 22 months. 3. An elephant can normally go on calving till the age of 40 years only. 4. Among the States in India, the highest elephant population is in Kerala. Which of the statements given above is/are correct?

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Environment & EcologyProtected Areas and Conservation LandscapesNational Parks and Wildlife Sanctuaries2020 · Q73

Which of the following Protected Areas are located in Cauvery basin? 1. Nagarhole National Park 2. Papikonda National Park 3. Sathyamangalam Tiger Reserve 4. Wayanad Wildlife Sanctuary Select the correct answer using the code given below:

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2020 · Q74

With reference to India's biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-throated redstart are

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Environment & EcologySpecies and Wildlife ConservationSpecies Recovery and Reintroduction2020 · Q75

Which 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 and is exclusively graminivorous?

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Environment & EcologySustainable Development and Environmental SolutionsCircular Economy, Resource Efficiency and Industrial Symbiosis2020 · Q76

Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement Select the correct answer using the code given below:

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2020 · Q77

Which of the following are the most likely places to find the musk deer in its natural habitat? 1. Askot Wildlife Sanctuary 2. Gangotri National Park 3. Kishanpur Wildlife Sanctuary 4. Manas National Park Select the correct answer using the code given below:

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Environment & EcologySustainable Development and Environmental SolutionsSustainable Transport, Buildings and Urban Systems2020 · Q78

In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint? 1. Copper slag 2. Cold mix asphalt technology 3. Geotextiles 4. Hot mix asphalt technology 5. Portland cement Select the correct answer using the code given below:

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Environment & EcologyPollution and Waste ManagementIndustrial Pollution Control, Adsorption and Remediation2020 · Q79

Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment. 3. High ash content is observed in Indian coal. Which of the statements given above is/are correct?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsWildlife Protection Law and Enforcement2020 · Q81

If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication?

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Environment & EcologyClimate ChangeCarbon Pricing, Markets and Article 6 Mechanisms2020 · Q85

Which one of the following statements best describes the term ‘Social Cost of Carbon’? It is a measure, in monetary value, of the

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Environment & EcologyProtected Areas and Conservation LandscapesNational Parks and Wildlife Sanctuaries2020 · Q95

With reference to India's Desert National Park, which of the following statements are correct? 1. It is spread over two districts. 2. There is no human habitation inside the Park. 3. It is one of the natural habitats of Great Indian Bustard. Select the correct answer using the code given below:

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Environment & EcologyProtected Areas and Conservation LandscapesTiger Reserves, Elephant Reserves and Species Landscapes2020 · Q100

Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”?

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Prelims 2019

17 questions
Environment & EcologyProtected Areas and Conservation LandscapesNational Parks and Wildlife Sanctuaries2019 · Q18

Which one of the following National Parks lies completely in the temperate alpine zone?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2019 · Q22

Consider the following statements: 1. Asiatic lion is naturally found in India only. 2. Double-humped camel is naturally found in India only. 3. One-horned rhinoceros is naturally found in India only. Which of the statements given above is/are correct?

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Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2019 · Q25

In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?

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Environment & EcologyPollution and Waste ManagementMunicipal Solid Waste and Circular Waste Systems2019 · Q26

In the context of which one of the following are the terms ‘pyrolysis and plasma gasification’ mentioned?

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Environment & EcologyProtected Areas and Conservation LandscapesBiosphere Reserves and UNESCO Natural Sites2019 · Q27

Which of the following are in Agasthyamala Biosphere Reserve?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2019 · Q28

Consider the following statements: 1. Some species of turtles are herbivores. 2. Some species of fish are herbivores. 3. Some species of marine mammals are herbivores. 4. Some species of snakes are viviparous. Which of the statements given above are correct?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2019 · Q29

Consider the following pairs: Wildlife : Naturally found in 1. Blue-finned Mahseer : Cauvery River 2. Irrawaddy Dolphin : Chambal River 3. Rusty-spotted Cat : Eastern Ghats Which of the pairs given above are correctly matched?

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Environment & EcologyPollution and Waste ManagementPlastic and Microplastic Pollution2019 · Q30

Why is there a great concern about the ‘microbeads’ that are released into environment?

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Environment & EcologyBiodiversityEcosystem Services and Natural Capital2019 · Q31

Recently, there was a growing awareness in our country about the importance of Himalayan nettle (Girardinia diversifolia) because it is found to be a sustainable source of

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2019 · Q35

Consider the following: 1. Carbon monoxide 2. Methane 3. Ozone 4. Sulphur dioxide Which of the above are released into atmosphere due to the burning of crop/biomass residue?

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Environment & EcologyPollution and Waste ManagementToxic Chemicals, Pesticides and Persistent Organic Pollutants2019 · Q39

In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as

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Environment & EcologyInternational Environmental ConventionsRamsar Convention and International Wetlands2019 · Q40

Consider the following statements: 1. Under Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve all the wetlands in the territory of India. 2. The Wetlands (Conservation and Management) Rules, 2010 were framed by the Government of India based on the recommendations of Ramsar Convention. 3. The Wetlands (Conservation and Management) Rules, 2010 also encompass the drainage area or catchment regions of the wetlands as determined by the authority. Which of the statements given above is/are correct?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsForest Conservation Law and Forest Governance2019 · Q55

Consider the following statements: 1. As per recent amendment to the Indian Forest Act, 1927, forest dwellers have the right to fell the bamboos grown on forest areas. 2. As per the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006, bamboo is a minor forest produce. 3. The Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006 allows ownership of minor forest produce to forest dwellers. Which of the statements given above is/are correct?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironment Protection Act and Regulatory Framework2019 · Q58

Consider the following statements: The Environment Protection Act, 1986 empowers the Government of India to 1. state the requirement of public participation in the process of environmental protection, and the procedure and manner in which it is sought 2. lay down the standards for emission or discharge of environmental pollutants from various sources Which of the statements given above is/are correct?

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Environment & EcologyPollution and Waste ManagementMunicipal Solid Waste and Circular Waste Systems2019 · Q59

As per the Solid Waste Management Rules, 2016 in India, which one of the following statements is correct?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsForest Conservation Law and Forest Governance2019 · Q68

Consider the following statements: 1. As per law, the Compensatory Afforestation Fund Management and Planning Authority exists at both National and State levels. 2. People's participation is mandatory in the compensatory afforestation programmes carried out under the Compensatory Afforestation Fund Act, 2016. Which of the statements given above is/are correct?

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Environment & EcologySustainable Development and Environmental SolutionsSustainable Development Goals, Consumption, Production and EPR2019 · Q78

In India, 'extended producer responsibility' was introduced as an important feature in which of the following?

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Prelims 2018

7 questions
Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Institutions, Tribunals and Compliance2018 · Q4

How is the National Green Tribunal (NGT) different from the Central Pollution Control Board (CPCB)? 1. The NGT has been established by an Act whereas the CPCB has been created by an executive order of the Government. 2. The NGT provides environmental justice and helps reduce the burden of litigation in the higher courts whereas the CPCB promotes cleanliness of streams and wells, and aims to improve the quality of air in the country. Which of the statements given above is/are correct?

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Environment & EcologyBiodiversityBiodiversity Threats and Drivers of Loss2018 · Q60

The term "sixth mass extinction/sixth extinction" is often mentioned in the news in the context of the discussion of

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Environment & EcologySpecies and Wildlife ConservationInvasive Alien Species2018 · Q86

Why is a plant called Prosopis juliflora often mentioned in news?

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Environment & EcologyAquatic, Wetland and Marine EcosystemsCoral Reefs and Reef Ecology2018 · Q87

Consider the following statements: 1. Most of the world’s coral reefs are in tropical waters. 2. More than one-third of the world’s coral reefs are located in the territories of Australia, Indonesia and Philippines. 3. Coral reefs host far more number of animal phyla than those hosted by tropical rainforests. Which of the statements given above is/are correct?

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Environment & EcologyInternational Environmental ConventionsUNFCCC, Kyoto, Paris and COP Process2018 · Q88

“Momentum for Change: Climate Neutral Now” is an initiative launched by

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Environment & EcologyProtected Areas and Conservation LandscapesNational Parks and Wildlife Sanctuaries2018 · Q94

In which one of the following States is Pakhui Wildlife Sanctuary located?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsForest Conservation Law and Forest Governance2018 · Q98

Consider the following statements: 1. The definition of “Critical Wildlife Habitat” is incorporated in the Forest Rights Act, 2006. 2. For the first time in India, Baigas have been given Habitat Rights. 3. Union Ministry of Environment, Forest and Climate Change officially decides and declares Habitat Rights for Primitive and Vulnerable Tribal Groups in any part of India. Which of the statements given above is/are correct?

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Prelims 2017

14 questions
Environment & EcologySpecies and Wildlife ConservationWildlife Corridors, Connectivity and Human-Wildlife Conflict2017 · Q4

From the ecological point of view, which one of the following assumes importance in being a good link between the Eastern Ghats and the Western Ghats?

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Environment & EcologyInternational Environmental ConventionsCITES, CMS and International Wildlife Agreements2017 · Q6

Consider the following statements in respect of Trade Related Analysis of Fauna and Flora in Commerce (TRAFFIC): 1. TRAFFIC is a bureau under United Nations Environment Programme (UNEP). 2. The mission of TRAFFIC is to ensure that trade in wild plants and animals is not a threat to the conservation of nature. Which of the above statements is/are correct?

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Environment & EcologyPollution and Waste ManagementIndustrial Pollution Control, Adsorption and Remediation2017 · Q14

In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique? 1. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature. 2. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms. 3. Genetic engineering can be used to create microorganisms specifically designed for bioremediation. Select the correct answer using the code given below:

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Environment & EcologyEcology FundamentalsSpecies Interactions and Community Ecology2017 · Q21

Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences? 1. Pollination of some plants could be adversely affected. 2. There could be a drastic increase in the fungal infections of some cultivated plants. 3. It could lead to a fall in the population of some species of wasps, spiders and birds. Select the correct answer using the code given below:

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Environment & EcologyClimate ChangeCarbon Removal, Sequestration and Negative Emissions2017 · Q25

In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration? 1. Abandoned and uneconomic coal seams 2. Depleted oil and gas reservoirs 3. Subterranean deep saline formations Select the correct answer using the code given below:

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsWildlife Protection Law and Enforcement2017 · Q35

According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law? 1. Gharial 2. Indian wild ass 3. Wild buffalo Select the correct answer using the code given below:

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Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2017 · Q52

With reference to ‘Global Climate Change Alliance’, which of the following statements is/are correct? 1. It is an initiative of the European Union. 2. It provides technical and financial support to targeted developing countries to integrate climate change into their development policies and budgets. 3. It is coordinated by World Resources Institute (WRI) and World Business Council for Sustainable Development (WBCSD). Select the correct answer using the code given below:

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Environment & EcologyPollution and Waste ManagementWater Pollution, Eutrophication and Effluent2017 · Q59

Biological Oxygen Demand (BOD) is a standard criterion for

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Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2017 · Q65

Consider the following statements: 1. Climate and Clean Air Coalition (CCAC) to Reduce Short Lived Climate Pollutants is a unique initiative of G20 group of countries. 2. The CCAC focuses on methane, black carbon and hydrofluorocarbons. Which of the statements given above is/are correct?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2017 · Q67

If you want to see gharials in their natural habitat, which one of the following is the best place to visit?

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Environment & EcologyPollution and Waste ManagementToxic Chemicals, Pesticides and Persistent Organic Pollutants2017 · Q73

Consider the following pairs: Commonly used / consumed materials : Unwanted or controversial chemicals likely to be found in them 1. Lipstick : Lead 2. Soft drinks : Brominated vegetable oils 3. Chinese fast food : Monosodium glutamate Which of the pairs given above is/are correctly matched?

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Environment & EcologyProtected Areas and Conservation LandscapesTiger Reserves, Elephant Reserves and Species Landscapes2017 · Q80

The term ‘M-STrIPES’ is sometimes seen in the news in the context of

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsWildlife Protection Law and Enforcement2017 · Q91

In India, if a species of tortoise is declared protected under Schedule I of the Wildlife (Protection) Act, 1972, what does it imply?

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Environment & EcologySpecies and Wildlife ConservationSpecies Recovery and Reintroduction2017 · Q95

Recently there was a proposal to translocate some of the lions from their natural habitat in Gujarat to which one of the following sites?

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Prelims 2016

16 questions
Environment & EcologyInternational Environmental ConventionsUNFCCC, Kyoto, Paris and COP Process2016 · Q6

The term 'Intended Nationally Determined Contributions' is sometimes seen in the news in the context of

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Environment & EcologyInternational Environmental ConventionsUNCCD, Global Environmental Institutions and Finance2016 · Q13

What is/are the importance/importances of the 'United Nations Convention to Combat Desertification'? 1. It aims to promote effective action through innovative national programmes and supportive international partnerships. 2. It has a special/particular focus on South Asia and North Africa regions, and its Secretariat facilitates the allocation of major portion of financial resources to these regions. 3. It is committed to bottom-up approach, encouraging the participation of local people in combating the desertification. Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2016 · Q22

In which of the following regions of India are you most likely to come across the 'Great Indian Hornbill' in its natural habitat?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Institutions, Tribunals and Compliance2016 · Q23

Which of the following are the key features of 'National Ganga River Basin Authority (NGRBA)'? 1. River basin is the unit of planning and management. 2. It spearheads the river conservation efforts at the national level. 3. One of the Chief Ministers of the States through which the Ganga flows becomes the Chairman of NGRBA on rotation basis. Select the correct answer using the code given below.

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Environment & EcologyInternational Environmental ConventionsUNFCCC, Kyoto, Paris and COP Process2016 · Q30

Consider the following pairs : Terms sometimes seen in the news | Their origin 1. Annex-I Countries : Cartagena Protocol 2. Certified Emissions Reductions : Nagoya Protocol 3. Clean Development Mechanism : Kyoto Protocol Which of the pairs given above is/are correctly matched?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Policies, Missions and Restoration Frameworks2016 · Q33

Which of the following best describes/describe the aim of 'Green India Mission' of the Government of India? 1. Incorporating environmental benefits and costs into the Union and State Budgets thereby implementing the 'green accounting' 2. Launching the second green revolution to enhance agricultural output so as to ensure food security to one and all in the future 3. Restoring and enhancing forest cover and responding to climate change by a combination of adaptation and mitigation measures Select the correct answer using the code given below.

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Environment & EcologyBiodiversityEcosystem Services and Natural Capital2016 · Q52

With reference to an initiative called 'The Economics of Ecosystems and Biodiversity (TEEB)', which of the following statements is/are correct? 1. It is an initiative hosted by UNEP, IMF and World Economic Forum. 2. It is a global initiative that focuses on drawing attention to the economic benefits of biodiversity. 3. It presents an approach that can help decision-makers recognize, demonstrate and capture the value of ecosystems and biodiversity. Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2016 · Q53

With reference to 'Red Sanders', sometimes seen in the news, consider the following statements : 1. It is a tree species found in a part of South India. 2. It is one of the most important trees in the tropical rain forest areas of South India. Which of the statements given above is/are correct?

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Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2016 · Q54

Which of the following statements is/are correct? Proper design and effective implementation of UN-REDD+ Programme can significantly contribute to 1. protection of biodiversity 2. resilience of forest ecosystems 3. poverty reduction Select the correct answer using the code given below.

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Environment & EcologyClimate ChangeEmission Sources, Inventories and Carbon Footprints2016 · Q55

What is 'Greenhouse Gas Protocol'?

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Environment & EcologySustainable Development and Environmental SolutionsSustainable Development Goals, Consumption, Production and EPR2016 · Q57

With reference to 'Agenda 21', sometimes seen in the news, consider the following statements : 1. It is a global action plan for sustainable development. 2. It originated in the World Summit on Sustainable Development held in Johannesburg in 2002. Which of the statements given above is/are correct?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Impact Assessment, CRZ and Clearances2016 · Q68

'Gadgil Committee Report' and 'Kasturirangan Committee Report', sometimes seen in the news, are related to

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Environment & EcologySustainable Development and Environmental SolutionsRenewable Energy and Energy Transition Solutions2016 · Q81

Consider the following statements : 1. The International Solar Alliance was launched at the United Nations Climate Change Conference in 2015. 2. The Alliance includes all the member countries of the United Nations. Which of the statements given above is/are correct?

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2016 · Q86

In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index? 1. Carbon dioxide 2. Carbon monoxide 3. Nitrogen dioxide 4. Sulfur dioxide 5. Methane Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2016 · Q90

Recently, for the first time in our country, which of the following States has declared a particular butterfly as 'State Butterfly'?

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Environment & EcologyInternational Environmental ConventionsUNFCCC, Kyoto, Paris and COP Process2016 · Q97

With reference to the Agreement at the UNFCCC Meeting in Paris in 2015, which of the following statements is/are correct? 1. The Agreement was signed by all the member countries of the UN and it will go into effect in 2017. 2. The Agreement aims to limit the greenhouse gas emissions so that the rise in average global temperature by the end of this century does not exceed 2 °C or even 1·5 °C above pre-industrial levels. 3. Developed countries acknowledged their historical responsibility in global warming and committed to donate $ 1000 billion a year from 2020 to help developing countries to cope with climate change. Select the correct answer using the code given below.

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Prelims 2015

14 questions
Environment & EcologyProtected Areas and Conservation LandscapesNational Parks and Wildlife Sanctuaries2015 · Q9

Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?

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Environment & EcologyInternational Environmental ConventionsCITES, CMS and International Wildlife Agreements2015 · Q12

With reference to the International Union for Conservation of Nature and Natural Resources (IUCN) and the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which of the following statements is/are correct? 1. IUCN is an organ of the United Nations and CITES is an international agreement between governments. 2. IUCN runs thousands of field projects around the world to better manage natural environments. 3. CITES is legally binding on the States that have joined it, but this Convention does not take the place of national laws. Select the correct answer using the code given below.

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Environment & EcologyPollution and Waste ManagementIndustrial Pollution Control, Adsorption and Remediation2015 · Q18

With reference to 'fly ash' produced by the power plants using coal as fuel, which of the following statements is/are correct? 1. Fly ash can be used in the production of bricks for building construction. 2. Fly ash can be used as a replacement for some of the Portland cement contents of concrete. 3. Fly ash is made up of silicon dioxide and calcium oxide only, and does not contain any toxic elements. Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2015 · Q19

With reference to 'dugong', a mammal found in India, which of the following statements is/are correct? 1. It is a herbivorous marine animal. 2. It is found along the entire coast of India. 3. It is given legal protection under Schedule I of the Wildlife (Protection) Act, 1972. Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationEndemic, Keystone, Flagship and Indicator Species2015 · Q25

Which one of the following is the national aquatic animal of India?

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Environment & EcologyInternational Environmental ConventionsMontreal Protocol, Vienna Convention and Kigali Amendment2015 · Q40

Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?

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Environment & EcologySustainable Development and Environmental SolutionsSustainable Development Goals, Consumption, Production and EPR2015 · Q43

What is Rio+20 Conference, often mentioned in the news?

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Environment & EcologyInternational Environmental ConventionsUNCCD, Global Environmental Institutions and Finance2015 · Q49

Which of the following statements regarding ‘Green Climate Fund’ is/are correct? 1. It is intended to assist the developing countries in adaptation and mitigation practices to counter climate change. 2. It is founded under the aegis of UNEP, OECD, Asian Development Bank and World Bank. Select the correct answer using the code given below.

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Environment & EcologyProtected Areas and Conservation LandscapesNational Parks and Wildlife Sanctuaries2015 · Q52

Which one of the following National Parks has a climate that varies from tropical to subtropical, temperate and arctic?

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Environment & EcologyInternational Environmental ConventionsUNCCD, Global Environmental Institutions and Finance2015 · Q56

'BioCarbon Fund Initiative for Sustainable Forest Landscapes' is managed by the

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironment Protection Act and Regulatory Framework2015 · Q63

The Genetic Engineering Appraisal Committee is constituted under the

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Environment & EcologyInternational Environmental ConventionsUNCCD, Global Environmental Institutions and Finance2015 · Q74

With reference to 'Forest Carbon Partnership Facility', which of the following statements is/are correct? 1. It is a global partnership of governments, businesses, civil society and indigenous peoples. 2. It provides financial aid to universities, individual scientists and institutions involved in scientific forestry research to develop eco-friendly and climate adaptation technologies for sustainable forest management. 3. It assists the countries in their 'REDD+ (Reducing Emissions from Deforestation and Forest Degradation+)' efforts by providing them with financial and technical assistance. Select the correct answer using the code given below.

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Environment & EcologyInternational Environmental ConventionsUNCCD, Global Environmental Institutions and Finance2015 · Q76

With reference to an organization known as 'BirdLife International', which of the following statements is/are correct? 1. It is a Global Partnership of Conservation Organizations. 2. The concept of 'biodiversity hotspots' originated from this organization. 3. It identifies the sites known/referred to as 'Important Bird and Biodiversity Areas'. Select the correct answer using the code given below.

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Environment & EcologyEcology FundamentalsEcosystem Structure and Function2015 · Q84

Which one of the following is the best description of the term 'ecosystem'?

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Prelims 2014

18 questions
Environment & EcologyInternational Environmental ConventionsRamsar Convention and International Wetlands2014 · Q2

If a wetland of international importance is brought under the 'Montreux Record', what does it imply?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Institutions, Tribunals and Compliance2014 · Q5

With reference to Bombay Natural History Society (BNHS), consider the following statements : 1. It is an autonomous organization under the Ministry of Environment and Forests. 2. It strives to conserve nature through action-based research, education and public awareness. 3. It organizes and conducts nature trails and camps for the general public. Which of the statements given above is/are correct?

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Environment & EcologyInternational Environmental ConventionsUNCCD, Global Environmental Institutions and Finance2014 · Q6

With reference to 'Global Environment Facility', which of the following statements is/are correct?

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Environment & EcologyInternational Environmental ConventionsRamsar Convention and International Wetlands2014 · Q10

With reference to a conservation organization called 'Wetlands International', which of the following statements is/are correct? 1. It is an intergovernmental organization formed by the countries which are signatories to Ramsar Convention. 2. It works at the field level to develop and mobilize knowledge, and use the practical experience to advocate for better policies. Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationThreatened Species and IUCN Red List2014 · Q14

Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins? 1. Construction of dams and barrages on rivers 2. Increase in the population of crocodiles in rivers 3. Getting trapped in fishing nets accidentally 4. Use of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers Select the correct answer using the code given below.

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Environment & EcologyPollution and Waste ManagementToxic Chemicals, Pesticides and Persistent Organic Pollutants2014 · Q16

Brominated flame retardants are used in many household products like mattresses and upholstery. Why is there some concern about their use? 1. They are highly resistant to degradation in the environment. 2. They are able to accumulate in humans and animals. Select the correct answer using the code given below.

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Environment & EcologyEcology FundamentalsBiogeochemical Cycles2014 · Q19

Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth? 1. Volcanic action 2. Respiration 3. Photosynthesis 4. Decay of organic matter Select the correct answer using the code given below.

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2014 · Q20

If you walk through countryside, you are likely to see some birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses. Which of the following is/are such bird/birds? 1. Painted Stork 2. Common Myna 3. Black-necked Crane Select the correct answer using the code given below.

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Environment & EcologyEcology FundamentalsSpecies Interactions and Community Ecology2014 · Q22

Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2014 · Q24

Which of the following are some important pollutants released by steel industry in India? 1. Oxides of sulphur 2. Oxides of nitrogen 3. Carbon monoxide 4. Carbon dioxide Select the correct answer using the code given below.

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Environment & EcologyAquatic, Wetland and Marine EcosystemsCoral Reefs and Reef Ecology2014 · Q41

Which of the following have coral reefs? 1. Andaman and Nicobar Islands 2. Gulf of Kachchh 3. Gulf of Mannar 4. Sunderbans Select the correct answer using the code given below.

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Environment & EcologyProtected Areas and Conservation LandscapesBiosphere Reserves and UNESCO Natural Sites2014 · Q50

The most important strategy for the conservation of biodiversity together with traditional human life is the establishment of

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Environment & EcologyClimate ChangeClimate Impacts, Vulnerability and Extreme Events2014 · Q53

The scientific view is that the increase in global temperature should not exceed 2 °C above pre-industrial level. If the global temperature increases beyond 3 °C above the pre-industrial level, what can be its possible impact/impacts on the world? 1. Terrestrial biosphere tends toward a net carbon source. 2. Widespread coral mortality will occur. 3. All the global wetlands will permanently disappear. 4. Cultivation of cereals will not be possible anywhere in the world. Select the correct answer using the code given below.

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Environment & EcologyInternational Environmental ConventionsUNCCD, Global Environmental Institutions and Finance2014 · Q78

Consider the following international agreements : 1. The International Treaty on Plant Genetic Resources for Food and Agriculture 2. The United Nations Convention to Combat Desertification 3. The World Heritage Convention Which of the above has/have a bearing on the biodiversity?

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Environment & EcologyClimate ChangeClimate Mitigation Pathways and Sectoral Decarbonisation2014 · Q79

Consider the following statements regarding ‘Earth Hour’ : 1. It is an initiative of UNEP and UNESCO. 2. It is a movement in which the participants switch off the lights for one hour on a certain day every year. 3. It is a movement to raise the awareness about the climate change and the need to save the planet. Which of the statements given above is/are correct?

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Environment & EcologyEcology FundamentalsFood Chains, Food Webs and Trophic Dynamics2014 · Q80

Which one of the following is the correct sequence of a food chain?

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Environment & EcologyProtected Areas and Conservation LandscapesEco-Sensitive Zones and Buffer Areas2014 · Q95

With reference to 'Eco-Sensitive Zones', which of the following statements is/are correct? 1. Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972. 2. The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities in those zones except agriculture. Select the correct answer using the code given below.

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Institutions, Tribunals and Compliance2014 · Q96

Consider the following statements : 1. Animal Welfare Board of India is established under the Environment (Protection) Act, 1986. 2. National Tiger Conservation Authority is a statutory body. 3. National Ganga River Basin Authority is chaired by the Prime Minister. Which of the statements given above is/are correct?

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Prelims 2013

16 questions
Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2013 · Q7

Consider the following: 1. Star tortoise 2. Monitor lizard 3. Pygmy hog 4. Spider monkey Which of the above are naturally found in India?

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Environment & EcologyPollution and Waste ManagementWater Pollution, Eutrophication and Effluent2013 · Q8

Which of the following can be found as pollutants in the drinking water in some parts of India? 1. Arsenic 2. Sorbitol 3. Fluoride 4. Formaldehyde 5. Uranium Select the correct answer using the codes given below.

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Environment & EcologyEcology FundamentalsEcological Succession, Stability and Resilience2013 · Q22

In the grasslands, trees do not replace the grasses as a part of an ecological succession because of

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Environment & EcologyEcology FundamentalsEnergy Flow, Productivity and Ecological Efficiency2013 · Q23

Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsForest Conservation Law and Forest Governance2013 · Q26

Under the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006, who shall be the authority to initiate the process for determining the nature and extent of individual or community forest rights or both?

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Environment & EcologyPollution and Waste ManagementHazardous, Biomedical, Electronic and Radioactive Waste2013 · Q29

Due to improper/indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste? 1. Beryllium 2. Cadmium 3. Chromium 4. Heptachlor 5. Mercury 6. Lead 7. Plutonium Select the correct answer using the codes given below:

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2013 · Q30

Acid rain is caused by the pollution of environment by

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Environment & EcologyEcology FundamentalsFood Chains, Food Webs and Trophic Dynamics2013 · Q31

With reference to food chains in ecosystems, consider the following statements: 1. A food chain illustrates the order in which a chain of organisms feed upon each other. 2. Food chains are found within the populations of a species. 3. A food chain illustrates the numbers of each organism which are eaten by others. Which of the statements given above is/are correct?

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Environment & EcologyProtected Areas and Conservation LandscapesNational Parks and Wildlife Sanctuaries2013 · Q32

Consider the following pairs: National Park : River flowing through the Park 1. Corbett National Park : Ganga 2. Kaziranga National Park : Manas 3. Silent Valley National Park : Kaveri Which of the above pairs is/are correctly matched?

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Environment & EcologyEcology FundamentalsBiogeochemical Cycles2013 · Q34

Which of the following adds/add nitrogen to the soil? 1. Excretion of urea by animals 2. Burning of coal by man 3. Death of vegetation Select the correct answer using the codes given below.

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2013 · Q35

In which of the following States is lion-tailed macaque found in its natural habitat? 1. Tamil Nadu 2. Kerala 3. Karnataka 4. Andhra Pradesh Select the correct answer using the codes given below.

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Environment & EcologyEcology FundamentalsEcological Organisation, Habitat, Niche and Ecotone2013 · Q48

Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2013 · Q49

Photochemical smog is a resultant of the reaction among

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Environment & EcologyTerrestrial EcosystemsSoil Ecology, Decomposition and Terrestrial Nutrient Cycling2013 · Q53

With reference to the food chains in ecosystems, which of the following kinds of organism is/are known as decomposer organism/organisms? 1. Virus 2. Fungi 3. Bacteria Select the correct answer using the codes given below.

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Environment & EcologyTerrestrial EcosystemsTropical Forest Ecosystems2013 · Q55

Which of the following is/are unique characteristic/characteristics of equatorial forests? 1. Presence of tall, closely set trees with crowns forming a continuous canopy 2. Coexistence of a large number of species 3. Presence of numerous varieties of epiphytes Select the correct answer using the codes given below.

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Environment & EcologySpecies and Wildlife ConservationThreatened Species and IUCN Red List2013 · Q87

Consider the following fauna of India: 1. Gharial 2. Leatherback turtle 3. Swamp deer Which of the above is/are endangered?

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Prelims 2012

16 questions
Environment & EcologyEnvironmental Laws, Policies and InstitutionsBiological Diversity Law and Access-Benefit Sharing2012 · Q3

How does National Biodiversity Authority (NBA) help in protecting the Indian agriculture? 1. NBA checks the biopiracy and protects the indigenous and traditional genetic resources. 2. NBA directly monitors and supervises the scientific research on genetic modification of crop plants. 3. Application for Intellectual Property Rights related to genetic/biological resources cannot be made without the approval of NBA. Which of the statements given above is/are correct?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Institutions, Tribunals and Compliance2012 · Q4

The National Green Tribunal Act, 2010 was enacted in consonance with which of the following provisions of the Constitution of India? 1. Right to healthy environment, construed as a part of Right to life under Article 21 2. Provision of grants for raising the level of administration in the Scheduled Areas for the welfare of Scheduled Tribes under Article 275(1) 3. Powers and functions of Gram Sabha as mentioned under Article 243(A) Select the correct answer using the codes given below :

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Policies, Missions and Restoration Frameworks2012 · Q5

If National Water Mission is properly and completely implemented, how will it impact the country? 1. Part of the water needs of urban areas will be met through recycling of waste-water. 2. The water requirements of coastal cities with inadequate alternative sources of water will be met by adopting appropriate technologies that allow for the use of ocean water. 3. All the rivers of Himalayan origin will be linked to the rivers of peninsular India. 4. The expenses incurred by farmers for digging bore-wells and for installing motors and pump-sets to draw groundwater will be completely reimbursed by the Government. Select the correct answer using the codes given below :

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Environment & EcologyPollution and Waste ManagementToxic Chemicals, Pesticides and Persistent Organic Pollutants2012 · Q15

Lead, ingested or inhaled, is a health hazard. After the addition of lead to petrol has been banned, what still are the sources of lead poisoning? 1. Smelting units 2. Pens and pencils 3. Paints 4. Hair oils and cosmetics Select the correct answer using the codes given below :

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Environment & EcologyInternational Environmental ConventionsMontreal Protocol, Vienna Convention and Kigali Amendment2012 · Q17

Consider the following statements : Chlorofluorocarbons, known as ozone-depleting substances, are used 1. in the production of plastic foams 2. in the production of tubeless tyres 3. in cleaning certain electronic components 4. as pressurizing agents in aerosol cans Which of the statements given above is/are correct?

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Environment & EcologyClimate ChangeClimate Impacts, Vulnerability and Extreme Events2012 · Q50

The acidification of oceans is increasing. Why is this phenomenon a cause of concern? 1. The growth and survival of calcareous phytoplankton will be adversely affected. 2. The growth and survival of coral reefs will be adversely affected. 3. The survival of some animals that have phytoplanktonic larvae will be adversely affected. 4. The cloud seeding and formation of clouds will be adversely affected. Which of the statements given above is/are correct?

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Environment & EcologyProtected Areas and Conservation LandscapesTiger Reserves, Elephant Reserves and Species Landscapes2012 · Q87

Consider the following protected areas : 1. Bandipur 2. Bhitarkanika 3. Manas 4. Sunderbans Which of the above are declared Tiger Reserves?

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Environment & EcologyProtected Areas and Conservation LandscapesNational Parks and Wildlife Sanctuaries2012 · Q90

In which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass?

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Environment & EcologyEcology FundamentalsSpecies Interactions and Community Ecology2012 · Q91

Consider the following kinds of organisms : 1. Bat 2. Bee 3. Bird Which of the above is/are pollinating agent/agents?

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Environment & EcologySpecies and Wildlife ConservationThreatened Species and IUCN Red List2012 · Q92

Which one of the following groups of animals belongs to the category of endangered species?

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Environment & EcologyBiodiversityEcosystem Services and Natural Capital2012 · Q94

The Millennium Ecosystem Assessment describes the following major categories of ecosystem services—provisioning, supporting, regulating, preserving and cultural. Which one of the following is supporting service?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2012 · Q95

What is the difference between the antelopes Oryx and Chiru?

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Environment & EcologyBiodiversityBiodiversity Threats and Drivers of Loss2012 · Q96

Which of the following can be threats to the biodiversity of a geographical area? 1. Global warming 2. Fragmentation of habitat 3. Invasion of alien species 4. Promotion of vegetarianism Select the correct answer using the codes given below :

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2012 · Q97

Consider the following : 1. Black-necked crane 2. Cheetah 3. Flying squirrel 4. Snow leopard Which of the above are naturally found in India?

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Environment & EcologyAquatic, Wetland and Marine EcosystemsMarine Food Webs, Plankton and Ocean Productivity2012 · Q99

What would happen if phytoplankton of an ocean is completely destroyed for some reason? 1. The ocean as a carbon sink would be adversely affected. 2. The food chains in the ocean would be adversely affected. 3. The density of ocean water would drastically decrease. Select the correct answer using the codes given below :

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Environment & EcologySpecies and Wildlife ConservationThreatened Species and IUCN Red List2012 · Q100

Vultures which used to be very common in Indian countryside some years ago are rarely seen nowadays. This is attributed to

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Prelims 2011

18 questions
Environment & EcologySustainable Development and Environmental SolutionsClean Technology, Carbon Utilisation and Pollution Prevention2011 · Q1

In the Union Budget 2011-12, a full exemption from basic customs duty was extended to the bio-based asphalt (bioasphalt). What is the importance of this material? 1. Unlike traditional asphalt, bio-asphalt is not based on fossil fuels. 2. Bioasphalt can be made from non-renewable resources. 3. Bioasphalt can be made from organic waste materials. 4. It is eco-friendly to use bioasphalt for surfacing of the roads. Which of the statements given above are correct?

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Environment & EcologyPollution and Waste ManagementAmbient Air Pollution and Air Quality2011 · Q2

Consider the following: 1. Carbon dioxide 2. Oxides of Nitrogen 3. Oxides of Sulphur Which of the above is/are the emission/emissions from coal combustion at thermal power plants?

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Environment & EcologyClimate ChangeCarbon Pricing, Markets and Article 6 Mechanisms2011 · Q15

Regarding “carbon credits”, which one of the following statements is not correct?

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Environment & EcologyBiodiversityEndemism, Hotspots and Megadiversity2011 · Q20

Three of the following criteria have contributed to the recognition of Western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity: 1. Species richness 2. Vegetation density 3. Endemism 4. Ethno-botanical importance 5. Threat perception 6. Adaptation of flora and fauna to warm and humid conditions Which three of the above are correct criteria in this context?

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Environment & EcologyClimate ChangeGreenhouse Gases and the Carbon Cycle2011 · Q21

Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of 1. Its escape into the outer stratosphere, 2. The photosynthesis by phytoplankton in the oceans, 3. The trapping of air in the polar ice caps. Which of the statements given above is/are correct?

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Environment & EcologyAquatic, Wetland and Marine EcosystemsMarine Food Webs, Plankton and Ocean Productivity2011 · Q22

In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the 1. Decomposer microorganisms to the surface, 2. Nutrients to the surface, 3. Bottom-dwelling organisms to the surface. Which of the statements given above is/are correct?

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Environment & EcologyTerrestrial EcosystemsTropical Forest Ecosystems2011 · Q23

If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because

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Environment & EcologyBiodiversityIndia's Biogeographic Zones and Biodiversity Patterns2011 · Q24

The Himalayan Range is very rich in species diversity. Which one among the following is the most appropriate reason for this phenomenon?

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Environment & EcologyEnvironmental Laws, Policies and InstitutionsEnvironmental Governance and Constitutional Foundations2011 · Q25

With reference to India, consider the following Central Acts: 1. Import and Export (Control) Act, 1947 2. Mining and Mineral Development (Regulation) Act, 1957 3. Customs Act, 1962 4. Indian Forest Act, 1927 Which of the above Acts have relevance to/bearing on the biodiversity conservation in the country?

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Environment & EcologyPollution and Waste ManagementWater Pollution, Eutrophication and Effluent2011 · Q47

There is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon? 1. Discharge of nutrients from the estuaries. 2. Run-off from the land during the monsoon. 3. Upwelling in the seas. Select the correct answer from the codes given below:

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Environment & EcologyEcology FundamentalsBiogeochemical Cycles2011 · Q48

Consider the following : 1. Photosynthesis 2. Respiration 3. Decay of organic matter 4. Volcanic action Which of the above add carbon dioxide to the carbon cycle on Earth ?

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Environment & EcologySpecies and Wildlife ConservationSpecies Identification, Ecology and Distribution2011 · Q51

A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area but its existence is threatened due to the destruction of its habitat. Which one of the following could be that animal ?

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Environment & EcologyBiodiversityEcosystem Services and Natural Capital2011 · Q61

Biodiversity forms the basis for human existence in the following ways: 1. Soil formation 2. Prevention of soil erosion 3. Recycling of waste 4. Pollination of crops Select the correct answer using the codes given below:

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Environment & EcologyPollution and Waste ManagementIndustrial Pollution Control, Adsorption and Remediation2011 · Q65

Recently, ‘oilzapper’ was in the news. What is it?

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Environment & EcologySpecies and Wildlife ConservationIn-situ and Ex-situ Species Conservation2011 · Q72

Which one of the following is not a site for in-situ method of conservation of flora?

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Environment & EcologyAquatic, Wetland and Marine EcosystemsEstuaries, Mangroves and Coastal Wetlands2011 · Q76

The 2004 Tsunami made people realize that mangroves can serve as a reliable safety hedge against coastal calamities. How do mangroves function as a safety hedge?

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Environment & EcologySpecies and Wildlife ConservationThreatened Species and IUCN Red List2011 · Q79

The "Red Data Books" published by the International Union for Conservation of Nature and Natural Resources (IUCN) contain lists of 1. Endemic plant and animal species present in the biodiversity hotspots. 2. Threatened plant and animal species. 3. Protected sites for conservation of nature and natural resources in various countries. Select the correct answer using the codes given below:

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Environment & EcologyBiodiversityLevels and Measurement of Biodiversity2011 · Q96

Consider the following statements: 1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes. 2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes. Which of the statements given above is/are correct?

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