NCERT Solutions for Class 12 BiologyChapter-wise · step-by-step · free

Free, chapter-wise NCERT solutions for Class 12 Biology aligned to the CBSE syllabus. Each chapter includes concept notes, worked examples and step-by-step solutions, plus AI-generated practice questions and a 24×7 doubt solver to clear any confusion.

Class 12 Biology — 16 chapters

  1. 1Sexual Reproduction in Flowering PlantsSolutions →
  2. 2Human ReproductionSolutions →
  3. 3Reproductive HealthSolutions →
  4. 4Principles of Inheritance and VariationSolutions →
  5. 5Molecular Basis of InheritanceSolutions →
  6. 6EvolutionSolutions →
  7. 7Human Health and DiseasesSolutions →
  8. 8Microbes in Human WelfareSolutions →
  9. 9Biotechnology: Principles and ProcessesSolutions →
  10. 10Biotechnology and Its ApplicationsSolutions →
  11. 11Organisms and PopulationsSolutions →
  12. 12EcosystemSolutions →
  13. 13Biodiversity and ConservationSolutions →
  14. 14Reproduction in OrganismsSolutions →
  15. 15Strategies for Enhancement in Food ProductionSolutions →
  16. 16Environmental IssuesSolutions →
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Class 12 Biology — FAQs

How many chapters are in Class 12 Biology?

Class 12 Biology has 16 chapters in the NCERT/CBSE syllabus, each with notes, worked examples and step-by-step solutions on Synapse.

Are these Class 12 Biology solutions free?

Yes — Synapse provides free AI-powered NCERT solutions for Class 12 Biology, with a free monthly allowance and premium plans for higher limits.

Do the solutions show full working?

Yes — every Class 12 Biology solution shows the concept and step-by-step working, so you learn the method, not just the answer.