UPSC Mains 2021

Model answers for all UPSC Mains 2021 previous year questions — detailed answers, diagrams, flowcharts and structured answer writing for GS 1, 2, 3 and Ethics.

Describe the major outcomes of the 26th session of the Conference of the Parties (COP) to the United Nations Framework Convention on Climate Change (UNFCCC). What are the commitments made by India in this conference?

GS315 marks2021EnvironmentModel answer

Distinguish between capital budget and revenue budget. Explain the components of both these Budgets.

GS310 marks2021Economic DevelopmentModel answer

How is S-400 air defence system technically superior to any other system presently available in the world?

GS310 marks2021Science & TechnologyModel answer

Do you agree that the Indian economy has recently experienced a V-shaped recovery? Give reasons in support of your answer.

GS315 marks2021Economic DevelopmentModel answer

Explain the purpose of the Green Grid Initiative launched at world leaders Summit of the COP 26 UN Climate Change Conference in Glasgow in November, 2021. When was this idea first floated in the International Solar Alliance (ISA)?

GS310 marks2021EnvironmentModel answer

How and to what extent would micro-irrigation help in solving India's water crisis?

GS310 marks2021AgricultureModel answer

Describe the various causes and effects of landslides. Mention the important components of the National Landslide Risk Management Strategy.

GS315 marks2021Disaster ManagementModel answer

Explain the difference between computing methodology of India's gross domestic product (GDP) before the year 2015 and after the year 2015.

GS310 marks2021Economic DevelopmentModel answer

Keeping in view India's internal security, analyse the impact of cross-border cyber attacks. Also discuss defensive measures against these sophisticated attacks.

GS310 marks2021Internal SecurityModel answer

What are the salient features of the National Food Security Act, 2013? How has the Food Security Bill helped in eliminating hunger and malnutrition in India?

GS315 marks2021AgricultureModel answer

Describe the key points of the revised Global Air-Quality Guidelines (AQGs) recently released by the World Health Organisation (WHO). How are these different from its last update in 2005? What changes in India's National Clean Air Programme are required to achieve these revised standards?

GS310 marks2021EnvironmentModel answer

Analyse the complexity and intensity of terrorism, its causes, linkages and obnox- ious nexus. Also suggest measures required to be taken to eradicate the menace of terrorism.

GS315 marks2021Internal SecurityModel answer

The Nobel Prize in Physics of 2014 was jointly awarded to Akasaki, Amano and Nakamura for the invention of Blue LEDs in 1990s. How has this invention impacted the everyday life of human beings?

GS315 marks2021Science & TechnologyModel answer

Discuss how emerging technologies and globalisation contribute to money laundering. Elaborate measures to tackle the problem of money laundering both at national and international levels.

GS310 marks2021Internal SecurityModel answer

What are the research and developmental achievements in applied biotechnology? How will these achievements help to uplift the poor sections of the society?

GS315 marks2021Science & TechnologyModel answer

How did land reforms in some parts of the country help to improve the socio-economic conditions of marginal and small farmers?

GS310 marks2021AgricultureModel answer

Discuss about the vulnerability of India to earthquake related hazards. Give examples including the salient features of major disasters caused by earthquakes in different parts of India during the last three decades.

GS310 marks2021Disaster ManagementModel answer

What is the present challenges before crop diversification? How do emerging technologies provide an opportunity for crop diversification?

GS315 marks2021AgricultureModel answer

Investment in infrastructure is essential for a more rapid and inclusive economic growth. Discuss in the light of India's experience.

GS315 marks2021Economic DevelopmentModel answer

Analyse the multidimensional challenges posed by external state and non-state actors, to the internal security of India. Also discuss measures required to take to be taken to combat the threats.

GS315 marks2021Internal SecurityModel answer

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