Class 12 · Notes
Class 12 Biology Notes
- Class
- Class 12 (2nd Year)
- Subject
- Biology
- Resource
- Notes
- Updated
- 20 Aug 2026
Chapters & topics
Chapter 13 – Thermoregulation & Osmoregulation
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 14 – Human Urinary System
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 15 – Human Nervous System
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 16 – Human Endocrine System
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 17 – Human Reproductive System
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 18 – Inheritance
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 19 – Chromosome & DNA
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 20 – Biotechnology
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 21 – Immunity
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 22 – Biostatistics
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 23 – Pharmacology
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 24 – Evolution
- Complete Notes
- Short Questions
- Solved MCQs
Chapter 25 – Ecology
- Complete Notes
- Short Questions
- Solved MCQs
Questions students ask
Which class and subject is “Class 12 Biology Notes” for?
It is Class 12 (2nd Year) material for Biology, filed under Notes.
How many chapters or topics does this page cover?
1 chapters/topics are listed on this page, each opening on its own page.
Where can I find other Class 12 Biology material?
All Biology resources for both years are grouped on the subject page. Biology hub