Environment & Ecology — PYQ Questions

CSE Prelims — GS Paper I 2024

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Q30 According to EPA, largest source of sulphur dioxide emissions: Statement Q61 Cicada, Froghopper and Pond skater are: Match Q62 Statement-I: Many chewing gums are a source of environmental pollution. Statement-II: Many chewing gums contain plastic... How Many Q63 Country — Animal in Natural Habitat: 1. Brazil — Indri 2. Indonesia — Elk 3. Madagascar — Bonobo How many correctly... Match Q65 About big cats: 1. Lions do not have a particular breeding season. 2. Unlike most big cats, cheetahs do not roar. 3.... Statement Q66 What is "100 Million Farmers"? A-R Q68 Tree with unique insect pollinator that co-evolved with it: How Many Q69 Poisonous species: 1. Butterflies 2. Fish 3. Frogs How many have poisonous species? Factual Q70 Native to India: 1. Cashew 2. Papaya 3. Red sanders How many are actually native to India? A-R Q76 Region with world largest tropical peatland holding about three years of global carbon emissions: Statement Q77 About PFAS: 1. Found widespread in drinking water, food and food packaging. 2. Not easily degraded in the... Match Q78 Parasitoid species found among: 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps How many have parasitoid... Statement Q79 Pea family plants: 1. Groundnut 2. Horse-gram 3. Soybean How many belong to the pea family? Statement Q80 Statement-I: Indian Flying Fox is placed under vermin category in Wildlife Protection Act, 1972. Statement-II: Indian... Factual Q97 Which of the following is/are correctly matched? 1. Kyoto Protocol — Carbon dioxide emission reduction 2. Montreal... How Many Q98 About microplastics: 1. They are plastic particles less than 5mm in size. 2. They have been found in human blood and... Statement

CSE Prelims — GS Paper I 2023

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CSE Prelims — GS Paper I 2022

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Q21 Which one of the following is the most important anthropogenic source of both methane and nitrous oxide? Factual Q22 Consider the following statements about the System of Rice Intensification (SRI) with alternate wetting and drying of... Statement Q41 "Climate Action Tracker" which monitors the emission reduction pledges of different countries is a/an: Factual Q42 Consider the following statements: 1. The Climate Group is an international non-profit organisation that drives climate... Statement Q43 Wetlands are described as "kidneys of the landscape" because they: Factual Q44 Consider the following statements with reference to WHO Air Quality Guidelines: 1. The 2021 revised guidelines prescribe... Statement Q45 Consider the following statements about "Gucchi": 1. It is a fungus. 2. It grows in the Himalayan forest areas. 3. It is... Statement Q47 Which of the following is not a bird? Elim. Q48 Consider the following: 1. Alfalfa 2. Amaranth 3. Chickpea 4. Clover 5. Purslane (Kulfa) 6. Spinach Which of the above... Statement Q49 "Biorock technology" is talked about in which of the following contexts? Factual Q50 "Miyawaki method" is well known for the development of: Factual Q75 Which one of the following bodies/authorities has been constituted under the Environment (Protection) Act, 1986? Factual Q80 The term "Greenwashing" best describes: Factual Q89 With reference to Indian laws about wildlife protection, consider the following statements: 1. Wild animals are the sole... Statement Q90 Some species of which one of the following organisms are known to be cultivators of fungi? Factual Q100 Acid rain is caused by excess of which of the following in the atmosphere? 1. Carbon monoxide 2. Nitrogen oxides 3.... Statement

CSE Prelims — GS Paper I 2021

19 questions View Full Paper →

Q26 R2 Code of Practices constitute a tool available for promoting the adoption of Factual Q27 Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into the... Statement Q28 With reference to furnace oil, consider the following statements: 1. It is a product of oil refineries. 2. Some... Statement Q29 What is blue carbon? Factual Q30 In nature, which of the following is/are most likely to be found surviving on a surface without soil? 1. Fern 2.... Statement Q41 Which one of the following is used in preparing a natural mosquito repellent? Factual Q42 Consider the following kinds of organisms: 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera Which of the above... Statement Q43 Consider the following animals: 1. Hedgehog 2. Marmot 3. Pangolin To reduce the chance of being captured by predators,... Statement Q44 With reference to the New York Declaration on Forests, which of the following statements are correct? 1. It was first... Statement Q46 Which one of the following is a filter feeder? Factual Q47 In the case of which of the following biogeochemical cycles, the weathering of rocks is the main source of release of... Factual Q48 Which of the following are detritivores? 1. Earthworms 2. Jellyfish 3. Seahorse 4. Woodlice Statement Q49 The Common Carbon Metric supported by UNEP has been developed for Factual Q50 Which of the following have species that can establish a symbiotic relationship with other organisms? 1. Cnidarians 2.... Statement Q57 Consider the following statements: Statement 1: The United Nations Capital Development Fund (UNCDF) and the Arbor Day... A-R Q73 Consider the following statements: 1. Moringa (drumstick tree) is a leguminous evergreen tree. 2. Tamarind tree is... Statement Q81 How is permaculture farming different from conventional chemical farming? 1. Permaculture farming discourages... Statement Q82 With reference to palm oil, consider the following statements: 1. The palm oil tree is native to Southeast Asia. 2. The... Statement Q89 In the context of India preparation for climate-smart agriculture, consider the following statements: 1. The... Statement

CSE Prelims — GS Paper I 2020

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Q48 Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco... Statement Q72 With reference to Indian elephants, consider the following statements: 1. The leader of an elephant group is a... Statement Q73 Which of the following Protected Areas are located in the Cauvery basin? 1. Nagarhole National Park 2. Papikonda... Statement Q74 With reference to India biodiversity, Ceylon frogmouth, Coppersmith Barbet, Gray-chinned minivet and White-throated... Factual Q75 Which one of the following protected areas is well-known for the conservation of a sub-species of the Indian swamp deer... Factual Q76 Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural... Statement Q77 Which of the following are the most likely places to find the musk deer in its natural habitat? 1. Askot Wildlife... Statement Q78 In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or... Statement Q79 Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release... Statement Q80 What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2.... Statement Q81 If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication? Factual Q83 What is/are the advantage/advantages of zero tillage in agriculture? 1. Sowing of wheat is possible without burning the... Statement Q84 According to India National Policy on Biofuels, which of the following can be used as raw materials for the production... Statement Q85 Which one of the following statements best describes the term Social Cost of Carbon? It is a measure, in monetary value,... Factual Q90 In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculture? 1. Crop... Statement Q95 With reference to India Desert National Park, which of the following statements are correct? 1. It is spread over two... Statement Q100 Among the following Tiger Reserves, which one has the largest area under Critical Tiger Habitat? Factual

CSE Prelims — GS Paper I 2019

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CSE Prelims — GS Paper I 2017

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Q4 From the ecological point of view, which one of the following assumes importance in being a good link between the... Factual Q6 Consider the following statements in respect of Trade Related Analysis of Fauna and Flora in Commerce (TRAFFIC): 1.... Statement Q14 In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique? 1. It is... Statement Q21 Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely... Statement Q25 In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the... Statement Q35 According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except... Statement Q52 With reference to Global Climate Change Alliance, which of the following statements is/are correct? 1. It is an... Statement Q59 Biological Oxygen Demand (BOD) is a standard criterion for Factual Q65 Consider the following statements: 1. Climate and Clean Air Coalition (CCAC) to Reduce Short Lived Climate Pollutants is... Statement Q67 If you want to see gharials in their natural habitat, which one of the following is the best place to visit? Factual Q80 The term M-STrIPES is sometimes seen in the news in the context of Factual Q91 In India, if a species of tortoise is declared protected under Schedule I of the Wildlife (Protection) Act, 1972, what... Factual Q95 Recently there was a proposal to translocate some of the lions from their natural habitat in Gujarat to which one of the... Factual

CSE Prelims — GS Paper I 2016

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CSE Prelims — GS Paper I 2015

15 questions View Full Paper →

Q9 Which one of the following National Parks is unique in being a swamp with floating vegetation that supports a rich... Factual Q11 What can be the impact of excessive or inappropriate use of nitrogenous fertilizers in agriculture? 1. Nitrogen-fixing... Statement Q12 Consider the following statements: 1. IUCN is an organ of the United Nations and CITES is an international agreement... Statement Q18 Consider the following statements regarding fly ash produced by the coal-based power plants: 1. Fly ash can be used in... Statement Q19 Consider the following statements: 1. The dugong is a herbivorous marine animal. 2. The dugong is found along the entire... Statement Q25 Which one of the following is the national aquatic animal of India? Factual Q40 Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting... Factual Q43 What is Rio+20 Conference, often mentioned in the news? Factual Q49 With reference to the Green Climate Fund, which of the following statements is/are correct? 1. It is intended to assist... Statement Q52 Which one of the following National Parks has a climate that varies from tropical to subtropical, temperate and arctic? Factual Q56 BioCarbon Fund Initiative for Sustainable Forest Landscapes is managed by the Factual Q63 The Genetic Engineering Appraisal Committee is constituted under the Factual Q74 Consider the following statements about the Forest Carbon Partnership Facility: 1. It is a global partnership of... Statement Q76 Consider the following statements about BirdLife International: 1. It is a Global Partnership of Conservation... Statement Q84 Which one of the following best describes the term ecosystem? Factual