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Environment & Ecology

385 questions asked in UPSC Prelims.

2022 · Q41Environment & EcologyClimate Changeeasy

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

  1. (a)Database created by coalition of research organisations
  2. (b)Wing of “International Panel of Climate Change”
  3. (c)Committee under “United Nations Framework Convention on Climate Change”
  4. (d)Agency promoted and financed by United Nations Environment Programme and World Bank
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Official answer(a) Database created by coalition of research organisations

2022 · Q42Environment & EcologyInternational Environmental Treaties & Summitsmoderate

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 ?

  1. (a)1, 2, 4 and 5
  2. (b)1, 3 and 4 only
  3. (c)2, 3 and 5 only
  4. (d)1, 2, 3, 4 and 5
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Official answer(b) 1, 3 and 4 only

2022 · Q43Environment & EcologyWater & Wetland Conservationeasy

“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 ?

  1. (a)The water cycle in wetlands involves surface runoff, subsoil percolation and evaporation.
  2. (b)Algae form the nutrient base upon which fish, crustaceans, molluscs, birds, reptiles and mammals thrive.
  3. (c)Wetlands play a vital role in maintaining sedimentation balance and soil stabilization.
  4. (d)Aquatic plants absorb heavy metals and excess nutrients.
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Official answer(d) Aquatic plants absorb heavy metals and excess nutrients.

2022 · Q44Environment & EcologyPollution & Waste Managementmoderate

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 ?

  1. (a)1, 3 and 4
  2. (b)1 and 4 only
  3. (c)2, 3 and 4
  4. (d)1 and 2 only
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Official answer(b) 1 and 4 only

2022 · Q80Environment & EcologyEnvironmental Governance & Legislationeasy

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

  1. (a)Conveying a false impression that a company's products are eco-friendly and environmentally sound
  2. (b)Non-inclusion of ecological/environmental costs in the Annual Financial Statements of a country
  3. (c)Ignoring the disastrous ecological consequences while undertaking infrastructure development
  4. (d)Making mandatory provisions for environmental costs in a government project/programme
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Official answer(a) Conveying a false impression that a company's products are eco-friendly and environmentally sound

2022 · Q89Environment & EcologyEnvironmental Governance & Legislationdifficult

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 ?

  1. (a)1 and 2
  2. (b)2 only
  3. (c)1 and 3
  4. (d)3 only
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Official answer(b) 2 only

2021 · Q16Environment & EcologyPollution & Waste Managementmoderate

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

  1. (a)environmentally responsible practices in electronics recycling industry
  2. (b)ecological management of ‘Wetlands of International Importance’ under the Ramsar Convention
  3. (c)sustainable practices in the cultivation of agricultural crops in degraded lands
  4. (d)‘Environmental Impact Assessment’ in the exploitation of natural resources
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Official answer(a) environmentally responsible practices in electronics recycling industry