Environment & Ecology - MOST IMPORTANT UPSC CSE Previous Year Questions

Human activities in the recent past have caused the increased concentration of carbon-dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of 1. Its escape into the outer stratosphere. 2. The photosynthesis by phytoplankton in the oceans. 3. The trapping of air in the polar ice caps. Which of the statements given above is/are correct?

The National Green Tribunal Act, 2010 was enacted in consonance with which of the following provisions of the Constitution of India? 1. Right to 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

How is the National Green Tribunal (NGT) different from the Central Pollution Control Board (CPCB)? 1. The NGT has been established by an Act where as the CPCB has been created by an executive order of the Government. 2. The NGT provides environmental justice and helps reduce the burden of litigation in the higher courts whereas the CPCB promotes cleanliness of streams and wells, and aims to improve the quality of air in the country. Which of the statements given above is/are correct?

With reference to organic farming in India, consider the following statements: 1. The National Programme for Organic Production' (NPOP) is operated under the guidelines and directions of the Union Ministry of Rural Development. 2. The Agricultural and Processed Food Products Export Development Authority' (APEDA) functions as the Secretariat for the implementation of NPOP. 3. Sikkim has become India's first fully organic State. Which of the statements given above is/are correct?

The United Nations Framework Convention on Climate Change (UNFCCC) is an international treaty drawn at

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

Consider the following statements: The Environment Protection Act, 1986 empowers the Government of India to 1. State the requirement of public participation in the process of environmental protection, and the procedure and manner in which it is south 2. Lay down the standards for emission or discharge of environmental pollutants from various sources Which of the statements given above is/are correct?

What is Rio+20 Conference, often mentioned in the news?

Which reference to ‘Agenda 21’ sometimes seen in the news, consider the following statements : 1. It is a global action plan for sustainable development 2. It originated in the World Summit on Sustainable Development held in Johannesburg in 2002. Which of the statements given above is /are correct?

Consider the following statements: 1. The Sustainable Development Goals were first proposed in 1972 by a global think tank called the 'Club of Rome' 2. The Sustainable Development Goals have to be achieved by 2030 Which of the statements given above is/are correct?

Sustainable development is described as the development that meets the needs of the present without compromising the ability of future generations to meet their own needs. In this perspective, inherently the concept 'of sustainable development is intertwined with which of the following concepts?

Consider the following statements 1. Most of the world's coral reefs are in tropical waters 2. More than one-third of the world's coral reefs are located in the territories of Australia, Indonesia and Philippines 3. Coral reefs host far more number of animal phyla than those hosted by tropical rainforests Which of the statements given above is/are correct?

Within biological communities, some species are important in determining the ability of a large number of other species to persist in the community. Such species are called

If you travel through the Himalayas, you are likely to see which of the following plants naturally growing there? 1. Oak 2. Rhododendron 3. Sandalwood Select the correct answer using the code given below:

Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoas Select the correct answer using the code given below.

Consider the following statements regarding environment issues of India : 1. Gulf of Mannar is one of the biosphere reserves. 2. The Ganga Action Plan, phase II has been merged with the National River Conservation Plan. 3. The National Museum of Natural History at New Delhi imparts non-formal education in environment and conservation. 4. Environmental Information System (ENVIS) acts as a decentralised information network for environmental information. Which of these statements are correct?

Which one of the following does not belong to biosphere reserves set-up so far?

Which one of the following is not a Biosphere Reserve?

Match List-I (Biosphere reserve) with List-II (States) and select the correct answer using the code given below the list List-I (Biosphere Reserve) A. Similipal B. Dihang C. Nokrek D. Kanchenjunga List-II (State) 1. Sikkim 2. Uttarakhand 3. Arunachal Pradesh 4. Odisha 5. Meghalaya