CBSE Class 12 Biology notes, chapter by chapter

Good Biology notes are short, in your own words and organised by chapter. This page lists all 16 CBSE Class 12 Biology chapters, starting with Reproduction in Organisms, Sexual Reproduction in Flowering Plants, Human Reproduction. Open a chapter for its summary and key concepts, or paste a page from your textbook into LerkAI to turn it into structured notes, flashcards and a quick quiz.

How to use this page

  1. Pick one chapter and read it once without taking notes.
  2. Paste or photograph the textbook section into LerkAI and generate notes.
  3. Edit the notes in your own words, then turn them into flashcards.
  4. Review the flashcards on the days LerkAI schedules them.

Chapters

  1. Reproduction in Organisms
  2. Sexual Reproduction in Flowering Plants
  3. Human Reproduction
  4. Reproductive Health
  5. Principles of Inheritance and Variation
  6. Molecular Basis of Inheritance
  7. Evolution
  8. Human Health and Disease
  9. Strategies for Enhancement in Food Production
  10. Microbes in Human Welfare
  11. Biotechnology: Principles and Processes
  12. Biotechnology and its Applications
  13. Organisms and Populations
  14. Ecosystem
  15. Biodiversity and Conservation
  16. Environmental Issues

Frequently asked questions

Are these CBSE Class 12 Biology notes free?

Yes. Chapter lists, summaries and AI-generated notes are free, with daily AI usage limits.

Can I get Biology notes in Hindi?

Yes. Switch the language to Hindi and LerkAI writes notes in Hindi, keeping technical terms in English where it helps.

Should I just read AI notes instead of the textbook?

No. Use notes for revision after reading the chapter, and check anything important against your textbook.

Make notes from your textbook