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Environment & Ecology Previous Year Questions (PYQ) with Answers – Page 19

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Environment & Ecology questions asked in previous year papers of SSC, Banking, Railway and other exams, with the exam and year, answers and explanations.

368 previous-year questions

All Environment & Ecology questionsEnvironment & Ecology NotesPYQs by exam
Q362.Environment & EcologyAsked in: UPSC Civil Services · CSE Prelims 2016, GS Paper IEasy

The term 'Intended Nationally Determined Contributions' is sometimes seen in the news in the context of

  1. A.pledges made by the European countries to rehabilitate refugees from the war-affected Middle East
  2. B.plan of action outlined by the countries of the world to combat climate change
  3. C.capital contributed by the member countries in the establishment of Asian Infrastructure Investment Bank
  4. D.plan of action outlined by the countries of the world regarding Sustainable Development Goals
Show answer
Correct answer: B. plan of action outlined by the countries of the world to combat climate change

INDCs were the climate pledges countries announced before the Paris climate conference of 2015. Under the UN Framework Convention on Climate Change, each country was asked to state what it intended to do to cut greenhouse gas emissions and adapt to climate change after 2020.

Q363.Environment & EcologyAsked in: UPSC Civil Services · 23 Aug, 2015Hard

With reference to an organisation known as 'BirdLife International', which of the following statements is/are correct? 1. It is a global partnership of conservation organisations. 2. The concept of 'biodiversity hotspots' originated from this organisation. 3. It identifies the sites known or referred to as 'Important Bird and Biodiversity Areas'. 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: C. 1 and 3 only

BirdLife International is a worldwide partnership of independent national conservation organisations, with its secretariat at Cambridge in the United Kingdom, so statement 1 is correct.

Q364.Environment & EcologyAsked in: UPSC CAPF · 12 July 2015Easy

Which one among the following substances is NOT a ‘green house’ gas?

  1. A.Water vapour
  2. B.Chloroflurocarbon
  3. C.Methane
  4. D.Nitrogen
Show answer
Correct answer: D. Nitrogen

Nitrogen makes up about 78 per cent of the atmosphere, yet it is not a greenhouse gas. A molecule traps heat only if it can absorb outgoing infrared radiation, and that needs vibrations which change the spread of electric charge in the molecule.

Q366.Environment & EcologyAsked in: CTET · CTET Sept 2014 Paper 2 Social Studies (LEasy

In organic farming

  1. A.chemical fertilizers are used to increase yield.
  2. B.genetic modification is done to increase yield
  3. C.natural manures and pesticides are used
  4. D.only production of cotton has been allowed in India
Show answer
Correct answer: C. natural manures and pesticides are used

Organic farming is defined by the inputs it refuses. In place of factory made fertilisers it uses farmyard manure, compost, vermicompost, green manure and biofertilisers such as Rhizobium and Azotobacter.

Q367.Environment & EcologyAsked in: UPSC Civil Services · 24 Aug 2014Hard

Consider the following pairs of wetlands and the confluence of rivers they lie at:

  1. Harike Wetland – confluence of the Beas and the Sutlej
  2. Keoladeo Ghana National Park – confluence of the Banas and the Chambal
  3. Kolleru Lake – confluence of the Musi and the Krishna

Which of the above pairs is/are correctly matched?

  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: A. 1 only

The Harike Wetland in Punjab was created by building a barrage just below the point where the Beas joins the Sutlej, so the first pair is correct and it is the only one.

Q368.Environment & EcologyAsked in: UPSC Civil Services · Official UPSC Civil Services Exam 2012 PMedium

The National Green Tribunal Act, 2010 was enacted in consonance with which of the following provisions of the Constitution of India? 1. Right of healthy environment, construed as a part of Right to life under Article 21 2. Provision of grants for raising the level of administration in the Scheduled Areas for the welfare of Scheduled Tribes under Article 275(1) 3. Powers and functions of Gram Sabha as mentioned under Article 243(A) Select the correct answer using the codes 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: A. 1 only

The National Green Tribunal Act rests on the right to a healthy environment read into the right to life, so only the first provision is in point.