Search Colleges, Exams, Schools & more
Login
NIOS 12th Biology Syllabus 2026: Download Chapter List & Topics PDF
The National Institute of Open Schooling (NIOS) has released the bifurcated NIOS Class 12 Biology syllabus 2026 for Senior Secondary students. The NIOS 12th Biology syllabus 2026 is divided into Tutor-Marked Assignments (TMA - 40%) and the Public Examination syllabus (60%).
This Story also Contains
- Download NIOS Class 12 Biology Syllabus 2026 PDF (Bifurcated)
- NIOS Class 12 Biology Syllabus 2026: Topics and Marks Weightage
- Steps to Download the NIOS 12th Biology Syllabus PDF Online
- Tips to Prepare for NIOS Class 12 Biology Paper 2026
The Biology syllabus for NIOS Class 12 consists of 31 lessons, organised across five modules, with a clear distribution of topics between internal assessment and the final public exam. The NIOS 12th Biology syllabus remains the same for both NIOS Public exams and On-Demand examinations. Students can download the official NIOS 12th Bio syllabus PDF from nios.ac.in and refer to the article below to get the direct download link.
Download NIOS Class 12 Biology Syllabus 2026 PDF (Bifurcated)
Students appearing for NIOS 12th exams can directly download the NIOS Class 12 Biology syllabus PDF from the table below:
Particulars | Download PDF |
|---|---|
NIOS Class 12 Biology Syllabus 2026 |
NIOS Class 12 Biology Syllabus 2026: Topics and Marks Weightage
The NIOS Class 12 Biology syllabus 2026 consists of 31 lessons divided across five modules, with a clear bifurcation between Tutor-Marked Assignments (40%) and the Public Examination (60%). The module-wise syllabus, along with lesson distribution, is given below, as per the structure mentioned on the official website.
| Module (No. & Name) | TMA (40%) | Public Examination (60%) |
|---|---|---|
Module I: Diversity and Evolution of Life (12 Marks) |
|
|
Module II: Forms and Functions of Plants and Animals (26 Marks) |
|
|
Module III: Reproduction and Heredity (22 Marks) |
|
|
Module IV: Environment and Health (13 Marks) |
|
|
Module V: Emerging Areas in Biology (7 Marks) | - |
|
Also, Check:
Confused between CGPA and Percentage?
Get your results instantly with our calculator!
💡 Conversion Formula used is: CGPA = Percentage / 9.5
Steps to Download the NIOS 12th Biology Syllabus PDF Online
The NIOS 12th Bio syllabus PDF is available at the official website. Students can download the NIOS Class 12 Biology syllabus 2026 PDF by following the steps given below:
Visit the official website- nios.ac.in.
Click on the ‘Learners Corner’ section.
Select “Study Material” from the dropdown.
Choose ‘Senior Secondary Courses’.
Click on Biology (314).
Select ‘Syllabus Bifurcation of Biology (314)'.
The Class 12 Biology syllabus NIOS PDF will open on the screen; download and save it for reference.
Image of NIOS 12th Question Paper Design
Tips to Prepare for NIOS Class 12 Biology Paper 2026
Preparing for the NIOS 12th Biology exam 2026 requires a balanced focus on both TMA submissions and the public examination syllabus. Some useful preparation tips are mentioned below:
Start by carefully going through the bifurcated syllabus and clearly separating TMA topics from public exam chapters. This helps in effective planning.
Modules like Forms and Functions of Plants and Animals, and Reproduction and Heredity carry higher weightage and should be prioritised.
Since TMAs contribute 40% of the final score, ensure timely completion and submission of assignments.
Practice diagrams regularly, especially on topics like tissues, photosynthesis, genetics, and human physiology.
Solve previous years’ NIOS Biology question papers to understand question trends and marking schemes.
Revise concepts frequently and prepare short notes, flowcharts, and labelled diagrams for faster revision.
50+ Entrance Exams after 12th
Download this ebook to explore 50+ entrance exams after Class 12 for admission into top undergraduate colleges across engineering, management, law & more.
Download NowArticles
Related Stories
|
Upcoming School Exams
Certifications By Top Providers
Explore Top Universities Across Globe
Questions related to NIOS Class 12
On Question asked by student community
Have a question related to NIOS Class 12 ?
Hello Student,
I understand your situation. You passed overall because you had six subjects, but Chemistry is marked “RT”. Now you want to appear for Chemistry again in 2027 and are confused between Compartment and Improvement.
The important point is that Compartment and Improvement are not the same. Compartment or
Dear Student,
You can apply for admission to paramedical courses with your NIOS marksheet. For many diploma or degree paramedical courses like B.Sc. Nursing, BMLT, or Radiography, you must have passed Class 12 with Physics, Chemistry, and Biology (PCB) along with English as core subjects.
Also Read : Is NIOS
If you have selected the Transfer of Credit (TOC) option while applying for NIOS and your CBSE subjects English and Physical Education are not being reflected, first check whether these subjects are eligible for transfer under the NIOS TOC rules. TOC is subject to eligibility, previous board records and the
Hi Saurabh
For the NIOS Class 12 Hindi Question Paper 2025, you can check the Careers360 NIOS question paper page, where subject-wise Class 12 previous-year papers are available. Click on the link given below:
https://school.careers360.com/boards/nios/nios-question-papers
Dear Student,
NIOS October-November examination results are generally declared after the examination process and evaluation are completed. For admission to the next level, your should check the result declaration and the admission schedule of the institution or course you want to join. Exact dates vary by session.
Applications for Admissions are open.
Get Job Ready in Healthcare | Employability-Focused Programs
NIOS Class 12 Notifications
Never miss NIOS Class 12 update
Get timely NIOS Class 12 updates directly to your inbox. Stay informed!