NIOS Class 12 Biology Syllabus 2026
Complete NIOS Class 12 Biology syllabus for 2026. Chapter-wise topics, marks distribution, and preparation priorities.
Quick Summary
The NIOS Class 12 Biology syllabus for 2026 covers all prescribed chapters and topics. Understanding the syllabus helps you plan your study schedule and prioritise high-weightage chapters.
NIOS Class 12 Biology — Complete Chapter List
The NIOS Class 12 Biology syllabus for 2026 has 31 chapters. Complete all chapters in order for thorough preparation.
| # | Chapter Name |
|---|---|
| 1 | Origin And Evolution Of Life And Introduction To Classification |
| 2 | The Kingdoms Monera, Protoctista And Fungi |
| 3 | Kingdoms Plantae And Animalia |
| 4 | Cell – Structure And Function |
| 5 | Tissues And Other Levels Of Organization |
| 6 | Root System |
| 7 | Shoot System |
| 8 | Absorption, Transport And Water Loss In Plants |
| 9 | Nutrition In Plants – Mineral Nutrition |
| 10 | Nitrogen Metabolism |
| 11 | Photosynthesis |
| 12 | Respiration in Plants |
| 13 | Nutrition and Digestion |
| 14 | Respiration And Elimination Of Nitrogenous Wastes |
| 15 | Circulation Of Body Fluids |
| 16 | Locomotion And Movement |
| 17 | Coordination And Control The Nervous And Endocrine Systems |
| 18 | Homeostasis - The Steady State |
| 19 | Reproduction in Plants |
| 20 | Growth and Development in Plants |
| 21 | Reproduction And Population Control |
| 22 | Principles of Genetics |
| 23 | Molecular Inheritance And Gene Expression |
| 24 | Genetics and Society |
| 25 | Principles of Ecology |
| 26 | Conservation And Use Of Natural Resources |
| 27 | Pollution |
| 28 | Nutrition and Health |
| 29 | Some Common Human Diseases |
| 30 | Biotechnology |
| 31 | Immunobiology - An Introduction |
Preparation Strategy
- Complete NCERT first — NCERT textbooks are the primary source for board exams.
- Note key formulas — maintain a formula sheet for quick revision.
- Practice previous year papers — this reveals the actual exam pattern.
- Time your practice — simulate exam conditions while practising.
Get chapter-wise help for NIOS Class 12 Biology
Super Tutor gives you detailed chapter summaries, revision notes, practice quizzes, and flashcards — all tailored to the NIOS syllabus.
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Where can I find NIOS Class 12 Biology Syllabus?
This page provides syllabus for NIOS Class 12 Biology for the 2026 board exam. For chapter-by-chapter study help including summaries, quizzes, and flashcards, try Super Tutor.
Is NIOS Class 12 Biology easy to score in?
Biology is one of the scoring subjects in NIOS Class 12 if prepared well. Focus on understanding concepts, practising problems regularly, and revising key formulas. Most students who follow a structured study plan score above 80%.
How to prepare for NIOS Class 12 Biology board exam?
Start by understanding the complete syllabus. Then focus on important questions from each chapter. Use revision notes for quick review before exams. Follow a study plan that covers all chapters with dedicated revision time.
Has the NIOS Class 12 Biology syllabus changed for 2026?
The syllabus is updated periodically. Check the official NIOS website for the most current syllabus. This page is updated to reflect the latest available syllabus for 2026.
Browse Syllabus by Chapter
31 chapters available
Origin And Evolution Of Life And Introduction To Classification
The Kingdoms Monera, Protoctista And Fungi
Kingdoms Plantae And Animalia
Cell – Structure And Function
Tissues And Other Levels Of Organization
Root System
Shoot System
Absorption, Transport And Water Loss In Plants
Nutrition In Plants – Mineral Nutrition
Nitrogen Metabolism
Photosynthesis
Respiration in Plants
Nutrition and Digestion
Respiration And Elimination Of Nitrogenous Wastes
Circulation Of Body Fluids
Locomotion And Movement
Coordination And Control The Nervous And Endocrine Systems
Homeostasis - The Steady State
Reproduction in Plants
Growth and Development in Plants
Reproduction And Population Control
Principles of Genetics
Molecular Inheritance And Gene Expression
Genetics and Society
Principles of Ecology
Conservation And Use Of Natural Resources
Pollution
Nutrition and Health
Some Common Human Diseases
Biotechnology
Immunobiology - An Introduction
More Biology Resources
NIOS Class 12
Important Questions
Board exam-style questions with marking scheme
Revision Notes
Key formulas, concepts, and quick revision points
Study Plan
Day-by-day preparation schedule
Flashcards
Quick-fire cards for active recall practice
Formula Sheet
Every formula you need in one place
Chapter Summary
Understand each chapter at a glance
Practice Quiz
Test yourself with interactive quizzes
Concept Maps
Visual diagrams showing how topics connect
NCERT Solutions
Every textbook exercise solved step by step