CBSE Class 12 Syllabus Bio Technology (2025-26) | Latest Edition

Download the latest CBSE Class 12 Syllabus for Bio Technology for the 2025-26 academic session. This updated curriculum provides a detailed overview of the Class 12 Bio Technology course structure, unit and chapter wise weightage and internal assessment guidelines. Class 12 students should refer to this official Bio Technology syllabus to ensure their preparation is done as per the latest CBSE pattern and books for the current year.

Class 12 Bio Technology Syllabus and Marks Distribution

We have provided below the official CBSE Class 12 Bio Technology curriculum issued for the current 2025-26 academic year. It is important for students to study as per the latest Class 12 Bio Technology curriculum and marks breakup as per important topics. This will help to prepare properly for the upcoming examination.

2025-26 Bio Technology Syllabus Class 12

Stay updated with the most recent curriculum Class 12 Bio Technology changes for the 2025-26 session.

CLASS XII (2023-24)
COURSE- STRUCTURE- (THEORY)
One Paper                                                                              Max. Marks 70+30
                                                                                               Time: 3 hrs.
Units                                                                           Marks
Unit V Protein and Gene Manipulation                          40
Unit VI   Cell Culture and Genetic Manipulation            30
Practicals                                                                       30
Total                                                                              100
 

One paper                                                                    Time: 3 hrs.
Total Marks: 70

Unit-V Protein and Gene Manipulation                         40 Marks

Chapter-1: Recombinant DNA Technology
Introduction, Tool of Recombinant DNA technology, Making rDNA molecule, Introduction of recombinant DNA into host cells, Identification of recombinants, Polymerase Chain Reaction (PCR), DNA Sequencing.

Chapter-2: Protein Structure and Engineering
Introduction to the world of proteins, Structure-function Relationship in proteins, Characterization of proteins, Protein based products, Designing proteins (Protein Engineering)

Chapter-3: Genomics, Proteomics and Bioinformatics
Gene prediction and counting, Genome similarity, SNPs and Comparative genomics, Functional genomics, Proteomics, Information sources, Analysis using bioinformatics tools.

Unit-VI Cell Culture and Genetic Manipulation 30 Marks

Chapter-1: Microbial Cell Culture and its Applications
Introduction, Microbial nutrition and culture techniques, Measurement and kinetics of microbial growth, Isolation of microbial products, Strain isolation and improvement, Applications of microbial culture technology.

Chapter -2: Plant Cell Culture and Applications
Introduction, Cell and tissue culture techniques, Applications of cell and tissue culture, Transgenic plants with beneficial traits, Biosafety of transgenic plants

Chapter-3: Animal Cell Culture and Applications
Introduction, Animal cell culture techniques, Applications of animal cell culture, Stem cell technology.

 

PRACTICALS 30 Marks

Note: Every student will be required to do the following experiments during the academic session.

1. Use of special equipment in biotechnology experiments
2. Isolation of bacterial plasmid DNA
3. Detection of DNA by gel electrophoresis
4. Estimation of DNA by UV spectroscopy
5. Isolation of bacteria from curd & staining of bacteria
6. Cell viability assay using Evan’s blue dye exclusion method
7. Data retrieval and database search using internet site NCBI and download a DNAand protein sequence from internet, analyze it and comment on it
8. Reading of a DNA sequencing gel to arrive at the sequence
9. Project work

Scheme of Evaluation
Time: 3 Hours Max. Marks 30
The scheme of evaluation at the end of the session will be as under:

A      Two experiments              6+6 (only one computer
                                                  based practical)
             Practical record                      04
             Viva on Practical                    04
B           Project work
             Write up                                   05
             Viva on project                        05
             Total                                       30
Note:- More emphasis should be given on hands on work in projects.

Prescribed Books:
1. A Text Book of Biotechnology - Class XI : Published by CBSE, New Delhi
2. As reference- Biotechnology - Class XI : Published by NCERT, New Delhi
3. A Laboratory Manual of Biotechnology - Class XI : Published by CBSE, New Delhi
4. A Text Book of Biotechnology - Class XII : Published by CBSE, New Delhi
5. A Laboratory Manual of Biotechnology - Class XII : Published by CBSE, New Delhi

Assessment Areas (Theory) 2023-24
Class XII

Biotechnology (045)
Time : 3 hrs.                                                               Maximum Marks: 70 Marks

Competencies Demonstrate, Knowledge and Understanding              50%
Application of Knowledge / Concepts                                                   30%
Analyse, Evaluate and Create                                                              20%

 Note:
- Typology of questions: VSA including MCQs, Assertion – Reasoning type questions; SA; LA-I; LA-II; Source-based/ Case-based/ Passage-based/ Integrated assessment questions.
- An internal choice of approximately 33% would be provided.

Suggestive verbs for various competencies

- Demonstrate, Knowledge and Understanding
State, name, list, identify, define, suggest, describe, outline, summarize, etc.
- Application of Knowledge/Concepts
Calculate, illustrate, show, adapt, explain, distinguish, etc.
- Analyze, Evaluate and Create
Interpret, analyse, compare, contrast, examine, evaluate, discuss, construct, etc.

Where can I download the official 2025-26 CBSE Syllabus for Class 12 Bio Technology?

The complete and updated syllabus for Class 12 Bio Technology for the 2025-26 academic session is available on StudiesToday.com with detailed chapter-wise marks issued by CBSE.

Are there any deleted chapters in the Class 12 Bio Technology 2026 syllabus?

Yes, several topics have been rationalized to reduce the academic load on Class 12 students. The Bio Technology syllabus highlights the deleted topics section and is as per 2026 Exam format.

How is the Class 12 Bio Technology theory and practical weightage divided for 2026?

For Class 12 Bio Technology, the evaluation is split into an 80-mark theory paper and a 20-mark internal assessment (Project/ASL).

Does the 2026 Bio Technology syllabus follow the NEP 2020 competency-based pattern?

The Class 12 Bio Technology curriculum focuses on 50% competency-based questions.

Can I access the Class 12 Bio Technology syllabus in Hindi and English?

We have provided the Class 12 Bio Technology curriculum in a bilingual format where applicable for 2026 session.

Is the Class 12 Bio Technology syllabus on StudiesToday official?

Our team has carefully updated all resources based on the latest circulars from the official CBSE website. The Class 12 Bio Technology syllabus is 100% authentic and aligned with the 2025-2026 academic calendar.