9) Science & Technology – Previous Year Questions UPSC Prelims

Science & Technology Previous Year Questions – Topic Wise

Sr. No.	Topic Name	Previous Year Questions
A)	Electronics and IT	Click Here
B)	Astrophysics and Space Technology	Click Here
C)	Biotechnology	Click Here
D)	Physics	Click Here
E)	Chemistry	Click Here
F)	Biology	Click Here
G)	Diseases	Click Here

Topic Wise Analysis of Science & Technology PYQs

9. Science and Technology	No. of Questions (2011-2023)	No. of Questions (1995-2023)	% Weightage (2011-2023)	% Weightage (1995-2023)
A) Electronics and IT	27	35	20%	7%
B) Astrophysics and Space Technology	24	69	18%	13%
C) Biotechnology	28	42	21%	8%
D) Physics	19	119	14%	23%
E) Chemistry	11	94	8%	18%
F) Biology	19	142	14%	27%
G) Diseases	7	25	5%	5%
Total	135	526	100%	100%

About Science & Technology PYQs

Although this appears to be a disorganized, purely current affairs based and a highly unpredictable subject, it is not like that. 1st thing, on average 11-12 question appear from Science & Technology. Thus, you cannot afford to neglect it, especially if you’re from a non-technical background.

Further, there is an order to the chaos. As listed below, there are definite topics /sub-topics in science and technology. With some being more important than others. As orange bars in the below diagram illustrate, first 3 topics i.e. A) Electronics & IT, B) Astrophysics & Space Technology and C) Biotechnology should be done very well.

Science & Technology-Detailed Topic Wise Syllabus Based on PYQs

A) Electronics and IT

B) Astrophysics and Space Technology

C) Biotechnology

D) Physics

E) Chemistry

F) Biology

G) Diseases

We’re in the process of posting all the questions from 1995-2023. The tentative date of completion is 16 Dec 2023. We highly recommend purchasing our UPSC Prelims PYQ Book (2024 Edition) to access all questions in a single PDF.