UPSC Mains: Science & Technology Previous Year Questions
GS paper 3 is often challenging for many candidates. To simplify the preparation process analysis of previous year papers is a very productive step. GS SCORE Mains PYQ explained (Paper 3) presents to you detailed explanation of year wise PYQs that will help you in developing an approach to study
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Program Highlights
- 1 Session for Trend Analysis
- 3 Session for Theme Discussion
- 24 Previous Year Questions Discussion
Related Videos
The module includes following components to give you a holistic coverage of the PYQs:
- Trend analysis & Approach: This includes video discussion on trends of questions asked from 2015-2021 by UPSC along with detailed approach to the subject.
- Themes Discussion: To demarcate the important areas, the entire syllabus has divided into various themes. In Depth video discussion will be provided on each theme.
- Model Answers: For each PYQ Model Approach and Model Hints shall be provided.
- Answer Discussion: For each PYQ answer discussion will be available focusing on concepts explanation approach to the answer.
- Probable questions: At the end of the each answer discussion videos we will also provide probable question and dimensions from the same topic to enhance your outlook towards the topic.
Note: Validity of the course will be till 2025 with updated sessions of 2022 and 2023 Mains question discussion.
Sample Question, Model Answer & Discussion Video
- How was India benefitted from the contributions of Sir M. Visvesvaraya and Dr. M. S. Swaminathan in the fields of water engineering and agricultural science respectively?2019 Model Answer & Discussion Video
- What do you understand by “Standard Positioning System” and “Precision Positioning System” in the GPS era? Discuss the advantages India perceives from its ambitious IRNSS programme employing just seven satellites.2015 Model Answer & Discussion Video
Questions
- Each year a large amount of plant material, cellulose, is deposited on the surface of Planet Earth. What are the natural processes this cellulose undergoes before yielding carbon dioxide, water and other end products?2022
- Launched on 25th December, 2021, James Webb Space Telescope has been much in news since then. What are its unique features which makes it superior to its predecessor Space Telescopes? What are the key goals of this mission? What potential benefits does it hold for the human race?2022
- What is the basic principle behind vaccine development? How do vaccines work? What approaches were adopted by the Indian vaccine manufacturers to produce COVID Vaccines?2022
- What are the research and developmental achievements in applied biotechnology? How will these achievements help to uplift the poorer sections of society?2021
- 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?2021
- How is S-400 air defence system technically superior to any other system presently available in the world?2021
- What do you understand by nanotechnology and how is it helping in health sector?2020
- Describe the benefits of deriving electric energy from sunlight in contrast to the conventional energy generation. What are the initiatives offered by our Government for this purpose?2020
- How is science interwoven deeply with our lives? What are the striking changes in agriculture triggered off by the science-based technologies?2020
- COVID-19 pandemic has caused unprecedented devastation worldwide. However, technological advancements are being availed readily to win over the crisis. Give an account of how technology was sought to aid management of the pandemic.2020
- How was India benefitted from the contributions of Sir M. Visvesvaraya and Dr. M. S. Swaminathan in the fields of water engineering and agricultural science respectively?2019 Video & Solution
- What is India's plan to have its own space station and how will it benefit our space programme?2019
- How is the Government of India protecting traditional knowledge of medicine from patenting by pharmaceutical companies?2019
- How can biotechnology help to improve the living standards of farmers?2019
- Discuss the work of ‘Bose-Einstein Statistics’ done by Prof. Satyendra Nath Bose and show how it revolutionized the field of Physics.2018
- Why is there so much activity in the field of biotechnology in our country? How has this activity benefitted the field of biopharma?2018
- With growing energy needs should India keep on expanding its nuclear energy programme? Discuss the facts and fears associated with nuclear energy.2018
- India has achieved remarkable successes in unmanned space missions including the Chadrayaan and Mars Orbitter Mission, but has not ventured into manned space missions. What are the main obstacles to launching a manned space mission, both in terms of technology and logistics2017
- Give an account of the growth and development of nuclear science and technology in India. What is the advantage of fast breeder reactor programme in India?2017
- Stem cell therapy is gaining popularity in India to treat a wide variety of medical conditions including Leukaemia, Thalassemia, damaged cornea and severe burns. Describe briefly what stem cell therapy is and what advantages it has over other treatments?2017
- Discuss India's achievements in the field of Space Science and Technology. How the application of this technology has helped India in its socio-economic development?2016
- Why is nanotechnology one of the key technologies of the 21st century? Describe the salient features of Indian Government's Mission on Nanoscience and Technology and the scope of its application in the development process of the country.2016
- Discuss the advantages and sceurity implications of cloud hosting of servers vis-a-vis in-house machine-based hosting for government businesses.2016
- Give an account of the current status and the targets to be achieved pertaining to renewable energy source in the country. Discuss in brief the importance of National Programme on Light Emitting Diodes (LEDs).2016
- What do you understand by “Standard Positioning System” and “Precision Positioning System” in the GPS era? Discuss the advantages India perceives from its ambitious IRNSS programme employing just seven satellites.2015 Video & Solution
- India’s Traditional Knowledge Digital Library (TKDL) which has a database containing formatted information on more than 2 million medicinal formulations is proving a powerful weapon in country’s fight against erroneous patents. Discuss the pros and cons of making this database publicly available under open-source licensing.2015
- What are the areas of prohibitive labour that can be sustainably managed by robots? Discuss the initiatives that can propel research in premier research institutes for substantive and gainful innovation.2015
- Introduce the concept of Artificial Intelligence (AI) How does Al help clinical diagnosis? Do you perceive any threat to privacy of the individual in the use of Al in healthcare?2015
- Discuss several ways in which microorganisms can help in meeting the current fuel shortage.2015
- What is the main task of India's third moon mission which could not be achieved in its earlier mission? List the countries that have achieved this task. Introduce the subsystems in the spacecraft launched and explain the role of the "Virtual Launch Control Centre at the Vikram Sarabhai Space Centre which contributed to the successful launch from Sriharikota.2015
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