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Environment & EcologyHardAsked in: UPSC Civil Services · CSE Prelims 2018, GS Paper I

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

Correct answer

B. 2 only

Explanation

The correct answer is 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.

GACSA was launched in September 2014 at the UN Climate Summit convened by Secretary-General Ban Ki-moon in New York, a year before the Paris COP. Its facilitation unit is hosted by the Food and Agriculture Organization (FAO) in Rome. It brings together governments, farmers' groups, companies and research bodies around three goals of climate-smart agriculture: raising farm productivity and incomes, helping farming adapt to climate change, and cutting greenhouse gas emissions where possible. Members join freely and each decides its own actions.

A and D are wrong: GACSA came from the 2014 New York summit, not Paris 2015, and India was not a founding force.

C is wrong: India did not play a leading part in creating GACSA.

Exam tip: GACSA = launched at the UN Climate Summit, New York, September 2014; hosted by FAO; voluntary and non-binding.

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Q1.Environment & EcologyAsked in: CDS · CDS-II 2018, GKEasy

Which one of the following statements with regard to growth of coral reefs is not correct?

  1. A.Coral can grow abundantly in freshwater.
  2. B.It requires warm water between 23 °C-25 °C.
  3. C.It requires shallow saltwater, not deeper than 50 metres.
  4. D.It requires plenty of sunlight to aid photosynthesis.
Show answer
Correct answer: A. Coral can grow abundantly in freshwater.

Reef-building corals are marine animals and die in fresh water, so this statement is false. Corals are tiny polyps that build skeletons of calcium carbonate and live with algae called zooxanthellae inside their tissues.

Q2.Environment & EcologyAsked in: CDS · CDS-I 2024, GKEasy

Which one of the following biosphere reserves is spread over three States in India?

  1. A.Nilgiri
  2. B.Achanakmar-Amarkantak
  3. C.Seshachalam
  4. D.Agasthyamalai
Show answer
Correct answer: A. Nilgiri

The Nilgiri Biosphere Reserve spreads across Tamil Nadu, Kerala and Karnataka. Set up in 1986, Nilgiri was India's first biosphere reserve, and in 2000 it became the first Indian reserve on UNESCO's World Network of Biosphere Reserves.

Q4.Environment & EcologyAsked in: UPSC CAPF · CAPF 2017, Paper IEasy

Which one of the following is NOT decomposed by bacterial action ?

  1. A.Vegetable remains
  2. B.Plastic materials
  3. C.Animal carcasses
  4. D.Wastes of flowers
Show answer
Correct answer: B. Plastic materials

Ordinary plastics are non-biodegradable, so bacteria and fungi cannot break them down in any useful length of time. Most plastics, such as polyethylene, polypropylene and PVC, are long synthetic polymers made from petroleum.

Q5.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2024, GS Paper IEasy

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?

  1. A.Locomotives using fossil fuels
  2. B.Ships using fossil fuels
  3. C.Extraction of metals from ores
  4. D.Power plants using fossil fuels
Show answer
Correct answer: D. Power plants using fossil fuels

The EPA names the burning of fossil fuels by power plants and other industrial facilities as the largest source of sulphur dioxide.