Which Science & Technology topics matter most for APPSC Group-I?

carry the highest question counts based on previous-year analyses.

Is this Science & Technology material free?

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APPSC Group-IScience & Technology

Science & Technology for APPSC Group-I

Shared national content, aliased from UPSC CSE.

📊 Aliased subject — see UPSC CSE for full weightage detail

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How toppers play this section

This subject aliases UPSC CSE content directly, since the underlying syllabus matches closely enough to share chapters rather than duplicate them.

Chapters

Built to the APPSC Group-I blueprint — notes, shortcuts, solved PYQ-style examples and practice in every chapter.

1How to Crack Science & Tech for PrelimsWhy Science & Tech is the smallest static block but among the highest current-affairs density, the mechanism-over-memorisation approach, and the two-chapter structure this hub follows.⏱ 18 min read

2Space Technology & DefenceSatellite orbit types, ISRO's major launch vehicles and programmes, India's satellite navigation system, and the missile/defence classification system UPSC tests through nearly every launch or test headline.⏱ 44 min read

3Biotechnology, IT & HealthGenetic engineering and CRISPR basics, vaccine types and mechanisms, major health programmes and diseases, and India's digital/IT initiatives — the compact biology and information-technology mechanisms behind health and tech current affairs.⏱ 44 min read

Topic-wise weightage in APPSC Group-I

Expected question counts from previous-year paper analyses. Topics with an arrow already have a full chapter.

Topic	Prelims Q	Mains Q	Priority

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Science & Technology for APPSC Group-I

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Topic-wise weightage in APPSC Group-I

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