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UPSC Mains Science and Technology Previous Year Questions

UPSC Mains Science and Technology Previous Year Questions

Science and Technology Topic Wise PYQs (2018-2023)

11] S & T – DEVELOPMENTS AND THEIR APPLICATIONS AND EFFECTS IN EVERYDAY LIFE

  1. Introduce the concept of Artificial Intelligence (AI). How does AI help clinical diagnosis? Do you perceive any threat to privacy of the individual in the use of AI in the healthcare? [2023/Q5/10m/150w]
  2. 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/Q16/15m/250w]
  3. How is science interwoven deeply with our lives? What are the striking changes in agriculture triggered off by the science-based technologies?[2020/Q6/10m/150w]
  4. 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/Q15/15m/200w]
  5. How can biotechnology improve the living standards of farmers?  [2019/Q16/15m/200w]
  6. With growing energy needs should India keep on expanding its nuclear energy programme? Discuss the facts and fears associated with nuclear energy.   [2018/Q16/15m/200w]

12] ACHIEVEMENTS OF INDIANS IN SCIENCE & TECHNOLOGY; INDIGENIZATION OF TECHNOLOGY AND DEVELOPING NEW TECHNOLOGY

  1. What is India’s plan to have its own space station and how will it benefit our space programme?   [2019/Q6/10m/150w]
  2. Discuss the work of ‘Bose-Einstein Statistics’ done by Prof. Satyendra Nath Bose and show how it revolutionized the field of Physics.   [2018/Q5/10m/150w]

13] AWARENESS IN THE FIELDS OF IT, SPACE, COMPUTERS, ROBOTICS, NANO-TECHNOLOGY, BIO-TECHNOLOGY AND ISSUES RELATING TO INTELLECTUAL PROPERTY RIGHTS

  1. 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. [2023/Q16/15m/200w]
  2. Discuss several ways in which microorganisms can help in meeting the current fuel shortage. [2023/Q6/10m/150w]
  3. 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/Q6/10m/150w]
  4. Launched on 25th December, 2021, James Webb Space Telescope has been much in the news since then. What are its unique features which make 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/Q15/15m/250w]
  5. What is the basic principle behind vaccine development? How do vaccines work? What approaches were adopted by the Indian vaccine manufacturers to produce COVID-19 vaccines? [2022/Q16/15m/250w]
  6. How is S-400 air defence system technically superior to any other system presently available in the world? [2021/Q5/10m/150w]
  7. What are the research and developmental achievements in applied biotechnology/? How will these achievements help to uplift the poorer sections of the society? [2021/Q15/15m/250w]
  8. What do you understand by nanotechnology and how is it helping in health sector?   [2020/Q5/10m/150w]
  9. How is the government of India protecting traditional knowledge of medicine from patenting by pharmaceutical companies?  [2019/Q15/15m/200w]
  10. Why is there so much activity in the field of biotechnology in our country? How has this activity benefitted the field of biopharma?   [2018/Q15/15m/200w]
UPSC Prelims PYQ Book Image
UPSC Prelims PYQ Book
  • Collection of more than 3200 Previous Year Questions (1995-2023)
  • All questions divided into 10 Subjects
  • Subject further sub-divided into more than 75 topics
  • All answers according to official answer key
  • BEST PYQ CLASSIFICATION EVER !
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