IAS (UPSC CSE) Prelims 2021 Syllabus for General Science and Technology

Updated On -

Mar 22, 2021

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Exams Prepmaster

General Science and Technology is an important IAS(UPSC CSE) subject for prelims. Almost every year, at least 10 - 15 questions are usually asked from this section. There is no specified syllabus for General Science and Technology, but, from the previous years’ papers, the probable boundary of the syllabus of this section can be drawn. This section is divided into 6 subsections i.e. Evolution of the Earth, Biology, Chemistry, Physics, Astrology, and Current events on Science and Technology. NCERT books from VII-XII and awareness of relevant current affairs altogether help to ace the exam.

CheckIAS Prelims 2021 Strategy for History

Sources of study material for Science and Technology for UPSC Prelims

Books For Basic concepts:

  • NCERT Standard VII
  • NCERT Standard VIII
  • NCERT Standard IX
  • NCERT Standard X
  • Biology of NCERT Standard XI and XII
  • Chemistry of NCERT Standard XI and XII
  • Physics of NCERT Standard XI and XII

Books For Current Affairs and Updates of Science and Technology:

  • Magazines of National Institute of Science Communication and Information Resources
  • Science and tech section in The Hindu (weekly)
  • 1000 Plus Questions on General Science – TMH.
  • Science and Technology for Civil Services Preliminary and Main Examination - by Ravi Agrahari

Quick tips

  • If you are a beginner, go through NCERT textbooks starting with Standard VII to X thoroughly and extract the concept of ideas first.
  • The goal should be to understand all the major topics of each section.
  • Previous years’ questions papers and sample papers should be within arm’s length.
  • Analyse question papers with your own intellect. This will help you to have an idea of predictable questions.
  • If you are from Humanities or Arts, you should be skipping Physics and Chemistry entirely and be focusing on Biology and recent developments instead in the beginning.
  • Give more importance to Biology and Recent technological biological development. The recent question papers show grave importance on these two topics.
  • Be aware of ongoing research and new breakthroughs because UPSC has the tendency to ask questions from here.
  • Use the Internet at the utmost level. But it is advised to be aware of basic concepts, not in-depths for the recent events.
  • Read the latest developments in the governmental research and analysis departments, particularly- ISRO, DRDO, Ministry of Science & Technology, new programmes/ schemes providing support to scientific research, etc.

Check IAS Prelims 2021 Strategy for Environment and Biodiversity

FAQs related to General Science and UPSC Prelims:

Ques. Where can I find the question paper of UPSC Prelims 2019?

Ans. Here is the link for UPSC Prelims 2019 question papers:

Ques. Is science important for UPSC?

Ans. General Science and Technology is really important for the UPSC Prelims Exam. It must be prepared because in the UPSC Main Exam, General Studies Paper III has Technology, Environment and Biodiversity.

Ques. Can I skip NCERT Books For UPSC Prelims Exam?

Ans. It is sincerely advised not to skip NCERT Books. Most of UPSC Prelims preparation should revolve around NCERT Book and any other further reading if needed one always can go for other recommended books.

Ques. How can I read NCERT books fast for UPSC Prelims?

Ans. Follow a few basic but important steps:

  1. First, relax your mind, don't spoil your concentration memorizing and replaying every piece of information in your mind.
  2. Give a quick novel-like reading from the beginning.
  3. Read it again.
  4. In the second time reading, mark, or note important things.
  5. Move to the next one and practice the previously read topics on alternate days.

Check Must read NCERT books for IAS exam

Ques. Can I prepare General Science and Technology for UPSC Prelims in 3 months?

Ans. The probable preparation period for General Science and Technology for UPSC Prelims totally depends on your area of interest and educational background. If you are a student of any science stream or biology or really interested in science, it will not take more than 3- 4 months to prepare it totally. On the other hand, if you are a candidate in Humanities or Arts, it will take 5 - 6 months on average depending on your ability and interest.

*The article might have information for the previous academic years, please refer the official website of the exam.