Practise UPSC MCQs with explanations

With reference to "Gucchi" sometimes mentioned in the news, consider the following statements: 1. It is a fungus. 2. It grows in some Himalayan forest areas. 3. It is commercially cultivated in the Himalayan foothills of north-eastern India. Which of the statements given above is/are correct?

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?

"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?

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?

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

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?

With reference to the Agreement at the UNFCCC Meeting in Paris in 2015, which of the following statements is/are correct? 1. The Agreement was signed by all the member countries of the UN and it will go into effect in 2017. 2. The Agreement aims to limit the greenhouse gas emissions so that the rise in average global temperature by the end of this century does not exceed 2 °C or even 1.5 °C above pre-industrial levels. 3. Developed countries acknowledged their historical responsibility in global warming and committed to donate $ 1000 billion a year from 2020 to help developing countries to cope with climate change. Select the correct answer using the code given below.

Recently, for the first time in our country, which of the following States has declared a particular butterfly as 'State Butterfly'?

In the cities of our country, which among the following atmospheric gases are normally considered in calculating the value of Air Quality Index? 1. Carbon dioxide 2. Carbon monoxide 3. Nitrogen dioxide 4. Sulfur dioxide 5. Methane Select the correct answer using the code given below.

Which of the following is/are the advantage/advantages of practising drip irrigation? 1. Reduction in weed 2. Reduction in soil salinity 3. Reduction in soil erosion Select the correct answer using the code given below.

Consider the following statements: 1. The International Solar Alliance was launched at the United Nations Climate Change Conference in 2015. 2. The Alliance includes all the member countries of the United Nations. Which of the statements given above is/are correct?

'Gadgil Committee Report' and 'Kasturirangan Committee Report', sometimes seen in the news, are related to

With 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?

What is 'Greenhouse Gas Protocol'?

Which of the following statements is/are correct? Proper design and effective implementation of UN-REDD+ Programme can significantly contribute to 1. protection of biodiversity 2. resilience of forest ecosystems 3. poverty reduction Select the correct answer using the code given below.

With reference to 'Red Sanders', sometimes seen in the news, consider the following statements: 1. It is a tree species found in a part of South India. 2. It is one of the most important trees in the tropical rain forest areas of South India. Which of the statements given above is/are correct?

With reference to an initiative called 'The Economics of Ecosystems and Biodiversity (TEEB)', which of the following statements is/are correct? 1. It is an initiative hosted by UNEP, IMF and World Economic Forum. 2. It is a global initiative that focuses on drawing attention to the economic benefits of biodiversity. 3. It presents an approach that can help decision-makers recognize, demonstrate and capture the value of ecosystems and biodiversity. Select the correct answer using the code given below.

With reference to 'Initiative for Nutritional Security through Intensive Millets Promotion', which of the following statements is/are correct? 1. This initiative aims to demonstrate the improved production and post-harvest technologies, and to demonstrate value addition techniques, in an integrated manner, with cluster approach. 2. Poor, small, marginal and tribal farmers have larger stake in this scheme. 3. An important objective of the scheme is to encourage farmers of commercial crops to shift to millet cultivation by offering them free kits of critical inputs of nutrients and microirrigation equipment. Select the correct answer using the code given below.

Recently, our scientists have discovered a new and distinct species of banana plant which attains a height of about 11 metres and has orange-coloured fruit pulp. In which part of India has it been discovered?

What is/are unique about 'Kharai camel', a breed found in India? 1. It is capable of swimming up to three kilometres in seawater. 2. It survives by grazing on mangroves. 3. It lives in the wild and cannot be domesticated. Select the correct answer using the code given below.