Wed Apr 01 15:06:24 UTC 2026: # UPSC Essentials: Science and Technology Quiz Highlights Key Areas for Prelims 2026

The Story:
The Indian Express’ UPSC Essentials initiative has released its latest subject-wise quiz focusing on Science and Technology, specifically designed to aid aspirants preparing for the UPSC Prelims examination. The quiz covers crucial topics like the Polar Satellite Launch Vehicle (PSLV), cosmic rays, the Ingenuity Mars Helicopter, supercomputing (Petaflops), and planetary moons. The initiative aims to help candidates revise important static syllabus content and test their understanding of current affairs related to space exploration and technological advancements.

Key Points:

  • The quiz features questions on the PSLV, testing knowledge of its stage-wise functioning and the fuels used in each stage.
  • Questions on cosmic rays assess understanding of their composition, trajectory, and origin.
  • The Ingenuity Mars Helicopter question highlights the historical achievement of controlled flight on another planet.
  • The Petaflop question examines basic awareness of computing speed units in the context of supercomputing advancements under the National Supercomputing Mission (NSM). As of 2026, 39 Petaflops of supercomputers have been built in 37 sites.
  • A question on planetary moons tests fundamental astronomy concepts, noting that Jupiter has 101 moons and Saturn has 285.
  • The quiz is part of a broader series covering History, Polity, Economy, Environment, and International Relations.

Key Takeaways:

  • The UPSC Prelims examination places significant emphasis on understanding fundamental scientific and technological concepts.
  • Space-related topics, including launch vehicles, planetary bodies, and space missions, are frequently tested.
  • Awareness of current advancements in computing and supercomputing is crucial.
  • A strong foundation in basic physics and astronomy is essential for answering conceptual questions.
  • The UPSC Essentials quiz provides a valuable tool for self-assessment and revision.

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