CBSE
Class 12 Biology — concept-first solutions.
Every chapter, every question — explained from the concept up and mapped to real exam weightage.
5
Units
13
Chapters
1056
Q&A
70
Total marks
Real Previous-Year Questions & Papers
Explore papers→8years
of real PYQs · 2018–2026
590
questions, each solved
State entrance exams
Concept-mapped previous-year questions & pattern-matched mock tests for the state CETs.
Chapters
Chapters and units show their official exam weightage where a board blueprint exists, colour-coded by importance. Tap High / Medium / Lower to filter.
Weightage
Reproduction
16mGenetics and Evolution
20mBiology and Human Welfare
12mBiotechnology and its Applications
12mEcology and Environment
10mSubject details
Textbook, paper pattern and where this subject takes you.
Prescribed textbook
- Publisher
- NCERT
- Book(s)
- Biology (Class XII)