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NCERT Solutions for Class 11 Biology
Chapter-wise NCERT textbook intext questions and exercise solutions, grounded in the official book.
Chapters
- Chapter 1 - The Living World 9 Q&A
- Chapter 2 - Biological Classification 12 Q&A
- Chapter 3 - Plant Kingdom 11 Q&A
- Chapter 4 - Animal Kingdom 15 Q&A
- Chapter 5 - Morphology of Flowering Plants 8 Q&A
- Chapter 6 - Anatomy of Flowering Plants 4 Q&A
- Chapter 7 - Structural Organisation in Animals 1 Q&A
- Chapter 8 - Cell: The Unit of Life 11 Q&A
- Chapter 9 - Biomolecules 5 Q&A
- Chapter 10 - Cell Cycle and Cell Division 13 Q&A
- Chapter 11 - Photosynthesis in Higher Plants 7 Q&A
- Chapter 12 - Respiration in Plants 10 Q&A
- Chapter 13 - Plant Growth and Development 8 Q&A
- Chapter 14 - Breathing and Exchange of Gases 13 Q&A
- Chapter 15 - Body Fluids and Circulation 13 Q&A
- Chapter 16 - Excretory Products and their Elimination 12 Q&A
- Chapter 17 - Locomotion and Movement 9 Q&A
- Chapter 18 - Neural Control and Coordination 8 Q&A
- Chapter 19 - Chemical Coordination and Integration 8 Q&A
🧬 Every chapter of the NCERT Class 11 Biology textbook is solved here — 177 exercise questions across 19 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 11 Biology free?
Yes. All 19 chapters — 177 textbook questions with worked answers — are free to read, with no sign-up and no login.
Do these cover the whole Class 11 Biology textbook?
Yes. Every chapter of the current rationalised NCERT Class 11 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.