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.
Important Practice Resources 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.
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.
For Class 12 Bio Technology, the evaluation is split into an 80-mark theory paper and a 20-mark internal assessment (Project/ASL).
The Class 12 Bio Technology curriculum focuses on 50% competency-based questions.
We have provided the Class 12 Bio Technology curriculum in a bilingual format where applicable for 2026 session.
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.
