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Environment & Ecology GK Questions with Answers – Page 8

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Environment & Ecology multiple choice questions with answers and explanations, 20 per page, for SSC, Banking, UPSC, Railway and state exams.

805 questions

Q141.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2018, GS Paper IHard

With reference to the "Global Alliance for Climate-Smart Agriculture (GACSA)", which of the following statements is/are correct? 1. GACSA is an outcome of the Climate Summit held in Paris in 2015. 2. Membership of GACSA does not create any binding obligations. 3. India was instrumental in the creation of GACSA. Select the correct answer using the code given below :

  1. A.1 and 3 only
  2. B.2 only
  3. C.2 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: B. 2 only

GACSA is a voluntary alliance whose members take on no binding obligations, but it was not born in Paris and India did not drive its creation.

Q142.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2017, GS Paper IMedium

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:

  1. A.1 only
  2. B.2 and 3 only
  3. C.1 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: D. 1, 2 and 3

All three are listed in Schedule I of the Act, so none of them can be hunted except in the narrow cases the Act itself allows.

Q143.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2019, GS Paper IMedium

Which of the following statements are correct about the deposits of 'methane hydrate'? 1. Global warming might trigger the release of methane gas from these deposits. 2. Large deposits of 'methane hydrate' are found in Arctic Tundra and under the seafloor. 3. Methane in atmosphere oxidizes to carbon dioxide after a decade or two. Select the correct answer using the code given below.

  1. A.1 and 2 only
  2. B.2 and 3 only
  3. C.1 and 3 only
  4. D.1, 2 and 3
Show answer
Correct answer: D. 1, 2 and 3

All three statements are correct. Methane hydrate, also called gas hydrate or "fire ice", is methane trapped inside a cage of frozen water molecules.

Q144.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2020, GS Paper IMedium

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:

  1. A.1, 2 and 3 only
  2. B.2 and 4 only
  3. C.1, 3 and 4 only
  4. D.1, 2, 3, 4 and 5
Show answer
Correct answer: D. 1, 2, 3, 4 and 5

All five release benzene, either by burning carbon-based material or by giving off fumes from solvents and synthetic materials. Benzene is a volatile organic compound and a known human carcinogen linked to leukaemia.

Q145.Environment & EcologyAsked in: NDA · NDA-II 2018, GATHard

Consider the following Wildlife Sanctuaries of India: 1. Shikari Devi 2. Bhadra 3. Simlipal 4. Pachmarhi Which one of the following is the correct order of the above Wildlife Sanctuaries in terms of their location from south to north?

  1. A.1-2-3-4
  2. B.2-4-3-1
  3. C.2-3-4-1
  4. D.3-1-2-4
Show answer
Correct answer: C. 2-3-4-1

From south to north the order is Bhadra (Karnataka), Simlipal (Odisha), Pachmarhi (Madhya Pradesh) and Shikari Devi (Himachal Pradesh). Bhadra lies in the Western Ghats of Chikkamagaluru district, Karnataka, at about 13.5°N, and is a tiger reserve.

Q146.Environment & EcologyAsked in: CDS · CDS-II 2024, GKEasy

Ozone hole is a region over :

  1. A.the Antarctic caused mainly by CFC gases.
  2. B.the Antarctic caused mainly by carbon dioxide gas.
  3. C.the Arctic caused mainly by CFC gases.
  4. D.the Arctic caused mainly by carbon dioxide gas.
Show answer
Correct answer: A. the Antarctic caused mainly by CFC gases.

The ozone hole is a sharp seasonal thinning of the stratospheric ozone layer over Antarctica, caused mainly by chlorine from chlorofluorocarbons.

Q147.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2016, GS Paper IEasy

'Net metering' is sometimes seen in the news in the context of promoting the

  1. A.production and use of solar energy by the households/consumers
  2. B.use of piped natural gas in the kitchens of households
  3. C.installation of CNG kits in motor-cars
  4. D.installation of water meters in urban households
Show answer
Correct answer: A. production and use of solar energy by the households/consumers

Net metering lets a home with rooftop solar panels sell its surplus power to the grid. Under net metering, a bidirectional meter records both the electricity a consumer draws from the grid and the electricity their rooftop solar system pushes back into it.

Q148.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2019, GS Paper IEasy

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

  1. A.They are considered harmful to marine ecosystems.
  2. B.They are considered to cause skin cancer in children.
  3. C.They are small enough to be absorbed by crop plants in irrigated fields.
  4. D.They are often found to be used as food adulterants.
Show answer
Correct answer: A. They are considered harmful to marine ecosystems.

Microbeads are tiny plastic particles that wash into rivers and seas, where they persist and are eaten by marine life.

Q149.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2019, GS Paper IHard

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?

  1. A.1 and 2 only
  2. B.2 and 3 only
  3. C.1 and 3 only
  4. D.1,2 and 3
Show answer
Correct answer: C. 1 and 3 only

The blue-finned mahseer occurs in the Cauvery and the rusty-spotted cat in the Eastern Ghats, but the Irrawaddy dolphin does not live in the Chambal.

Q150.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2025, GS Paper IMedium

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

  1. A.Only one
  2. B.Only two
  3. C.All the three
  4. D.None
Show answer
Correct answer: C. All the three

Each of these everyday items is made partly or wholly of synthetic polymers, which is what plastic is. A cigarette filter is made of cellulose acetate, a plastic that takes years to break down, which is why butts are among the most common litter found on beaches.

Q151.Environment & EcologyMedium

Van Panchayats, the village forest councils set up under rules framed in 1931, are a feature of which hills?

  1. A.The Nilgiri hills
  2. B.The Kumaon hills
  3. C.The Khasi hills
  4. D.The Aravalli hills
Show answer
Correct answer: B. The Kumaon hills

After years of protest against the reservation of hill forests, the colonial government allowed Kumaon villages to manage part of the civil forest themselves through elected Van Panchayats under rules framed in 1931.

Q153.Environment & EcologyHard

The first Biodiversity Heritage Site declared in India was:

  1. A.Mawphlang sacred forest, Meghalaya
  2. B.Nallur tamarind grove, Karnataka
  3. C.Majuli, Assam
  4. D.Chilika, Odisha
Show answer
Correct answer: B. Nallur tamarind grove, Karnataka

Nallur, near Devanahalli on the outskirts of Bengaluru, is an old stand of tamarind trees, some of them several centuries old, and Karnataka declared it the first Biodiversity Heritage Site of the country under section 37 of the Biological Diversity Act.

Q154.Environment & EcologyMedium

Biodiversity Management Committees and Biodiversity Heritage Sites are provided for by which law?

  1. A.The Biological Diversity Act, 2002
  2. B.The Wild Life (Protection) Act, 1972
  3. C.The Forest Rights Act, 2006
  4. D.The National Green Tribunal Act, 2010
Show answer
Correct answer: A. The Biological Diversity Act, 2002

It builds a three tier system: the National Biodiversity Authority at the centre, State Biodiversity Boards, and a Biodiversity Management Committee in every local body, which keeps a People Biodiversity Register of the plants, animals and traditional uses of its area.

Q155.Environment & EcologyHard

Which amendment introduced conservation reserves and community reserves as categories of protected area in India?

  1. A.The Wild Life (Protection) Amendment Act, 1991
  2. B.The Forest (Conservation) Act, 1980
  3. C.The Wild Life (Protection) Amendment Act, 2002
  4. D.The Environment (Protection) Act, 1986
Show answer
Correct answer: C. The Wild Life (Protection) Amendment Act, 2002

Until then the Act of 1972 knew only national parks and sanctuaries, both of which need state ownership and control.