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NCERT Solutions for Class 12 Biology
Chapter-wise NCERT textbook intext questions and exercise solutions, grounded in the official book.
Chapters
- Chapter 1 - Sexual Reproduction in Flowering Plants 18 Q&A
- Chapter 2 - Human Reproduction 21 Q&A
- Chapter 3 - Reproductive Health 12 Q&A
- Chapter 4 - Principles of Inheritance and Variation 16 Q&A
- Chapter 5 - Molecular Basis of Inheritance 14 Q&A
- Chapter 6 - Evolution 10 Q&A
- Chapter 7 - Human Health and Disease 17 Q&A
- Chapter 8 - Microbes in Human Welfare 13 Q&A
- Chapter 9 - Biotechnology : Principles and Processes 12 Q&A
- Chapter 10 - Biotechnology and Its Applications 13 Q&A
- Chapter 11 - Organisms and Populations 10 Q&A
- Chapter 12 - Ecosystem 11 Q&A
- Chapter 13 - Biodiversity and Conservation 10 Q&A
🧬 Every chapter of the NCERT Class 12 Biology textbook is solved here — 177 exercise questions across 13 chapters, each shown with its question so you can follow along with your own book. Free to read, no sign-up, and every chapter has a free chapter test with your all-India rank on it. Tap any chapter to start.
Frequently asked questions
Are these NCERT Solutions for Class 12 Biology free?
Yes. All 13 chapters — 177 textbook questions with worked answers — are free to read, with no sign-up and no login.
Do these cover the whole Class 12 Biology textbook?
Yes. Every chapter of the current rationalised NCERT Class 12 Biology textbook is covered, following the book's own chapter order and exercise numbering.
Are the answers reliable?
Each answer follows the NCERT textbook. The question and its answer are always shown together, so you can check any solution against your own book as you read.
Can I test myself on a chapter?
Yes. Class 11 and 12 Physics, Chemistry, Biology and Maths each have a free chapter test — one per NCERT chapter — with your all-India rank on that chapter afterwards. No login.