Updated 6 August 2026·9 chapters

NIOS Class 12 Biology — Syllabus 2026-27

NIOS Class 12 Biology syllabus for 2026-27: all 9 chapters, with the topics in each. Follows the NIOS syllabus.

About this syllabus

The NIOS Class 12 Biology course for 2026-27 has 9 chapters. Chapters with a topic breakdown link to their own syllabus page.

NIOS Class 12 Biology — Chapter List

#	Chapter	Topics
1	The Kingdoms Monera, Protoctista And Fungi	1 Kingdom Monera - Prokaryotic Organisms · 2 Kingdom Protoctista - Unicellular Eukaryotes · 3 Kingdom Fungi - Heterotrophic Eukaryotes
2	Kingdoms Plantae And Animalia	1 Kingdom Plantae - Overview and Main Divisions · 2 Bryophyta - The Amphibians of Plant Kingdom · 3 Pteridophyta - True Vascular Plants Without Seeds
3	Cell – Structure And Function
4	Tissues And Other Levels Of Organization	Definition and Basic Concepts of Tissues · Plant Tissues - Classification · Meristematic Tissues
5	Root System	1 Characteristics of Roots · 2 Types of Root Systems · 3 Regions of Root (Root Apex)
6	Shoot System	1 STEM - Structure, Types, and Functions · Stem Modifications - Adaptations for Specific Functions · Anatomy of Stem - Internal Structure
7	Absorption, Transport And Water Loss In Plants	1 Four Basic Phenomena - Permeability, Diffusion, Osmosis, and Plasmolysis · 2 Water Potential and Related Concepts · 3 Absorption of Water by Plants
8	Nutrition In Plants – Mineral Nutrition	Plant Nutrition – Basic Concepts · Methods to Determine Mineral Requirements – Hydroponics and Aeroponics · Essential Mineral Elements – Criteria, Types, and Sources
9	Nitrogen Metabolism	Molecular Nitrogen and the Nitrogen Cycle · Nitrogen Fixation — Biological and Abiological · Free-Living and Symbiotic Nitrogen-Fixing Organisms

Preparation Strategy

Finish the textbook first — the prescribed textbook is the main source for school and board exams.
Keep a formula and definitions list — it makes last-week revision much faster.
Practise past papers — they show you the pattern questions follow.
Time your practice — attempt some papers under exam conditions.

Get chapter-wise help for NIOS Class 12 Biology

Super Tutor gives you chapter summaries, revision notes, practice quizzes and flashcards, organised around the NIOS syllabus. Free to start.

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Frequently Asked Questions

Where can I find NIOS Class 12 Biology Syllabus?

This page has syllabus for 9 chapters of NIOS Class 12 Biology for the board exams 2027. Each chapter links to its own page with the full set.

How should I prepare for NIOS Class 12 Biology board exams?

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Has the NIOS Class 12 Biology syllabus changed for 2026-27?

This page lists the chapters in the current NIOS Class 12 Biology course. Boards revise syllabi from time to time, so check the board's official website for the latest notified syllabus.

More Biology Resources

NIOS Class 12

Practice Quiz

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Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Chapter Summary

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Concept Maps

Diagrams showing how topics connect

Flashcards

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Other NIOS Class 12 Subjects

Physics Chemistry Mathematics English Hindi Economics Business Studies Accountancy