Pollution & waste
Asked in 10 of the last 11 Prelims papers. A must-do.
Start practising · 29 questionsWhat to read first
How it's askedPollutants, their sources and effects, and waste rules.
ReadNCERT Class 12 Biology (older edition) ch. 16
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all 29 questions
2025“Activated carbon is a good and an attractive tool to remove pollutants from effluent…” and 2 more statements2024With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products…2024“Many chewing gums found in the market are considered a source of environmental pollution.” and 1 more statement2024"Membrane Bioreactors" are often discussed in the context of2024According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur…2023“Gold mining activity is a source of mercury pollution in the world.” and 2 more statements2022In the context of WHO Air Quality Guidelines, consider the following statements2022With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives: “Its fibres can be…2022Excess of which of the above in the environment is/are cause(s) of acid rain ? (Carbon monoxide, Nitrogen oxide…2021'R2 Code of Practices' constitutes a tool available for promoting the adoption ofShow all 29
2021Why is there a concern about copper smelting plants?2021With reference to furnace oil: “It is a product of oil refineries.” and 2 more statements2021Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from…2021Bisphenol A (BPA), a cause of concern, is a structural/key component in the manufacture of which of the following…2021'Triclosan', considered harmful when exposed to high levels for a long time, is most likely present in which of the…2020Which of the following are the reasons/factors for exposure to benzene pollution ?2020Steel slag can be the material for which of the following ?2020“Coal ash contains arsenic, lead and mercury.” and 2 more statements2019In the context of which one of the following are the terms 'pyrolysis and plasma gasification' mentioned?2019Why is there a great concern about the 'microbeads' that are released into environment?2019Which of the above are released into atmosphere due to the burning of crop/biomass residue? (Carbon monoxide, Methane…2019In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals…2019“Agricultural soils release nitrogen oxides into environment.” and 2 more statements2019As per the Solid Waste Management Rules, 2016 in India, which one of the following statements is correct?2019In India, 'extended producer responsibility' was introduced as an important feature in which of the following?2018Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds ?2017In the context of solving pollution problems, what is/are the advantage/advantages of bioremediation technique ?2017Biological Oxygen Demand (BOD) is a standard criterion for2016In the cities of our country, which among the following atmospheric gases are normally considered in calculating the…AdvertiseReach UPSC aspirants with one line here. Sponsor Crack Prelims →