Environment & Ecology PYQs

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1. Prelims 2022Q30Protected Areas & Conservation

   Consider the following pairs :

   Wetland/Lake — Location

   1.Hokera Wetland — Punjab

   2.Renuka Wetland — Himachal Pradesh

   3.Rudrasagar Lake — Tripura

   4.Sasthamkotta Lake — Tamil Nadu

   How many pairs given above are correctly matched ?

   aOnly one pairbOnly two pairscOnly three pairsdAll four pairs
2. Prelims 2022Q41Climate Change

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

   aDatabase created by coalition of research organisationsbWing of “International Panel of Climate Change”cCommittee under “United Nations Framework Convention on Climate Change”dAgency promoted and financed by United Nations Environment Programme and World Bank
3. Prelims 2022Q42Climate Change

   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 ?

   a1, 2, 4 and 5b1, 3 and 4 onlyc2, 3 and 5 onlyd1, 2, 3, 4 and 5
4. Prelims 2022Q43Ecology & Ecosystems

   “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 ?

   aThe water cycle in wetlands involves surface runoff, subsoil percolation and evaporation.bAlgae form the nutrient base upon which fish, crustaceans, molluscs, birds, reptiles and mammals thrive.cWetlands play a vital role in maintaining sedimentation balance and soil stabilization.dAquatic plants absorb heavy metals and excess nutrients.
5. Prelims 2022Q44Environmental Pollution

   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 ?

   a1, 3 and 4b1 and 4 onlyc2, 3 and 4d1 and 2 only
6. Prelims 2022Q45Biodiversity & Species

   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 ?

   a1 onlyb3 onlyc1 and 2d2 and 3
7. Prelims 2022Q46Environmental Pollution

   With reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements :

   1.Its fibres can be blended with wool and cotton fibres to reinforce their properties.

   2.Containers made of it can be used to store any alcoholic beverage.

   3.Bottles made of it can be recycled into other products.

   4.Articles made of it can be easily disposed of by incineration without causing greenhouse gas emissions.

   Which of the statements given above are correct ?

   a1 and 3b2 and 4c1 and 4d2 and 3
8. Prelims 2022Q47Biodiversity & Species

   Which of the following is not a bird ?

   aGolden MahseerbIndian NightjarcSpoonbilldWhite Ibis
9. Prelims 2022Q49Ecology & Ecosystems

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

   aRestoration of damaged coral reefsbDevelopment of building materials using plant residuescIdentification of areas for exploration/extraction of shale gasdProviding salt licks for wild animals in forests/protected areas
10. Prelims 2022Q50Sustainable Agriculture & Development

    The “Miyawaki method” is well known for the :

    aPromotion of commercial farming in arid and semi-arid areasbDevelopment of gardens using genetically modified floracCreation of mini forests in urban areasdHarvesting wind energy on coastal areas and on sea surfaces
11. Prelims 2022Q75Indian Environmental Laws & Bodies

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

    aCentral Water CommissionbCentral Ground Water BoardcCentral Ground Water AuthoritydNational Water Development Agency
12. Prelims 2022Q80Sustainable Agriculture & Development

    Which one of the following best describes the term “greenwashing” ?

    aConveying a false impression that a company's products are eco-friendly and environmentally soundbNon-inclusion of ecological/environmental costs in the Annual Financial Statements of a countrycIgnoring the disastrous ecological consequences while undertaking infrastructure developmentdMaking mandatory provisions for environmental costs in a government project/programme
13. Prelims 2022Q84Renewable Energy

    Consider the following statements :

    1.Gujarat has the largest solar park in India.

    2.Kerala has a fully solar powered International Airport.

    3.Goa has the largest floating solar photovoltaic project in India.

    Which of the statements given above is/are correct ?

    a1 and 2b2 onlyc1 and 3d3 only
14. Prelims 2022Q89Indian Environmental Laws & Bodies

    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 ?

    a1 and 2b2 onlyc1 and 3d3 only
15. Prelims 2022Q90Biodiversity & Species

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

    aAntbCockroachcCrabdSpider
16. Prelims 2022Q100Environmental Pollution

    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 ?

    a1, 2 and 3b2 and 4 onlyc4 onlyd1, 3 and 4
17. Prelims 2021Q16Environmental Pollution

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

    aenvironmentally responsible practices in electronics recycling industrybecological management of ‘Wetlands of International Importance’ under the Ramsar Conventioncsustainable practices in the cultivation of agricultural crops in degraded landsd‘Environmental Impact Assessment’ in the exploitation of natural resources
18. Prelims 2021Q17Environmental Pollution

    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.

    a1 and 2 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
19. Prelims 2021Q18Environmental Pollution

    With reference to furnace oil, consider the following statements :

    1.It is a product of oil refineries.

    2.Some industries use it to generate power.

    3.Its use causes sulphur emissions into environment.

    Which of the statements given above are correct?

    a1 and 2 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
20. Prelims 2021Q19Climate Change

    What is blue carbon?

    aCarbon captured by oceans and coastal ecosystemsbCarbon sequestered in forest biomass and agricultural soilscCarbon contained in petroleum and natural gasdCarbon present in atmosphere