CBSE Class 12 Biotechnology Syllabus 2020 | Complete Notes and NCERT Solutions

Biotechnology is an important subject for CBSE Class 12. You should have a clear understanding of every topic of your CBSE Class 12 Biotechnology syllabus to build the depth knowledge on the subject. This will also affect your performance in the 12th board exams.

Biotechnology is the technology that utilizes biological systems, living organisms or parts of this to develop or create different products.  In this article, you will find a complete guide on CBSE Class 12 Biotechnology.

CBSE Class 12 Biotechnology 2020

Biotechnology is a scoring subject and by preparing well, the students can score better. CBSE offers multiple elective subjects for the students.

If you prepare correctly, you can score well in the 12th board Exam. For that, you should have the latest syllabus and exam pattern along with Study Materials.

You should have an idea about exam question pattern and weightage distributions for various sections before appearing for any exam and start solving various questions papers after completion of your 12th Biotechnology chapters and exercises from previous exams to get the idea about the 12th CBSE Biotechnology exam. It will help you to find the important sections and also help you to boost your speed by solving question papers.

CBSE Class 12 Biotechnology Books

To score the better Marks in the 12th Biotechnology Exam, you should have the right books. While selecting the book, you should not go for any random book. You should be assured that it has covered the latest CBSE Syllabus for Biotechnology. For that, you must have NCERT Class 10 books for Biotechnology.

CBSE Class 12 Biotechnology Syllabus 2020-21

Here you will get the detailed CBSE Class 12 Syllabus 2020-21 for Biotechnology along with section-wise marks distribution. You can take a look at the units included in CBSE 12th Biotechnology Syllabus along with the marks distribution:

Exam Structure

Units Topics Marks
Unit V Protein and Gene Manipulation 40
Unit VI Cell Culture and Genetic Manipulation 30
Practicals 30
Total 100

Unit V: Protein and Gene Manipulation

Chapter-1: Recombinant DNA Technology

Introduction; Tool of rDNA Technology; Marketing Recombinant DNA; Introduction of Recombinant DNA into Host Cells; Identification of Recombinants; DNA Library; DNA Probes; Hybridization Techniques; Polymerase Chain Reaction (PCR); DNA Secquencing; Site-directed Mutagenesis

Chapter-2: Protein Structure and Engineering

Introduction to the World of Proteins; 3-D Shape of Proteins; Structure-Function Relationship in Proteins Purification of Proteins; Characterization of Proteins; Protein based Products; Designing Proteins (protein engineering)

Chapter-3: Genomics and Bioinformatics

Introduction; Genome Sequencing Projects; Gene Prediction and Counting; Genome Similarity, SNPs and Comparative Genomics; Functional Genomics; Proteomics; History of Bioinformatics; Sequences and Nomenclature; Information Sources; Analysis using Bioinformatics Tools

Unit VI: Cell Culture and Genetic Manipulation

Chapter-1: Microbial Culture and Applications

Introduction, Microbial culture techniques, Measurement and kinetics of microbial growth, Scale up of microbial process, Isolation of microbial products, Strain isolation and improvement, Applications of microbial culture technology, Biosafety issues in microbial technology

Chapter-2: Plant Cell Culture and Applications

Introduction; Cell and Tissue Culture Techniques; Applications of Cell and Tissue Culture; Gene Transfer Methods in Plants; Transgenic Plants with Beneficial Traits; Biosafety in Plant Genetic Engineering

Chapter-3: Animal Cell Culture and Applications

Introduction, Animal cell culture techniques, Characterisation of cell lines, Methods of gene delivery into cells, Scale-up of animal culture process, Applications of animal cell culture, Stem cell technology, Tissue engineering


  1. Use of special equipment in biotechnology experiments.
  2. Isolation of bacterial plasmid DNA
  3. Detection of DNA by gel electrophoreses
  4. Isoloation of Genomic DNA (CTAB method)
  5. Estimation of DNA
  6. Bacterial transformation using any plasmid
  7. Restriction digestion of plasmid DNA & its analysis by gel electrophoreses
  8. Isolation of bacterial grom curd & staining of bacteria
  9. Cell viability assay
  10. Data retrieval and data base search using internet site NCBI and download a DNA and protein sequence from internet, analyse it and comment on it
  11. Reading of a DNA sequencing gel to arrive at the sequence
  12. Project work

CBSE Class 12 Biotechnology NCERT Solutions 2020-21

Class 12 Biotechnology solutions play a great role in preparing for CBSE 12th Biotechnology exam. After the textbook, you must refer to Class 12 Biotechnology solutions to prepare the 12th Exam correctly.

Biotechnology Solutions will help you to build depth concept by providing the exercise wise explanation of all the problems. You will also find various Additional Questions from every exercise.

NCERT experts have created Class 12 Biotechnology Solutions to provide you depth concepts on every chapter. Experts have used simple and clear language while creating solutions so that any students can understand every problem without the help of any subject experts.

You should know that NCERT solutions have followed the latest CBSE syllabus and refer them as soon as possible to start your Biotechnology preparation. It will not only help you to build the depth concept on the subject but also help you to crack various entrance and competitive exams.

CBSE Class 12 Biotechnology Sample Question Papers

The Central Board of Secondary Education (CBSE) publishes the sample papers and marking schemes yearly to give an idea about the Exam to students.

After completion of a sample paper in the certain time as the real exam, you will easily identify your preparation status. It will also get a preview of the board question paper. It will also enhance your problem-solving speed and understanding of the subject. You will become more aware of the current pattern of the question papers after solving Class 12 Sample papers.

CBSE Class 12 Biotechnology Previous year Papers

Previous year papers are the great exam materials to prepare any exams. You must solve the 12th previous year papers for Biotechnology before the board exam. You will recognize the changes in the previous exams throughout the time.

It will give you an idea about the repetitive sections and questions in class 12 Biotechnology. You can also know your current preparation status by solving the previous year’s papers in the certain time as the real Exam and know preparation status and also help you to find your conceptual weaknesses. You can easily cover those before the board exam.

CBSE Class 12 Biotechnology Revision Notes 2020-21

Without revision of the complete syllabus, you will lose your chance to score a better grade in the 12th Board exam. To make your revision easier, our experts have created Class 12 Biotechnology Revision Notes.

Here you will find all chapter wise theorems and concepts are summarized in the easier way so that any student can understand them quickly. They have also considered by analyzing previous years of question papers and Biotechnology chapters. With the help of these, you can easily do proper revision before the board exam. It will help you to revise all chapters in the easier way in less time.


We have covered a detailed guide on CBSE Class 12 Biotechnology 2020-21. Feel Free to ask any questions in the comment section below.

6 thoughts on “CBSE Class 12 Biotechnology Syllabus 2020 | Complete Notes and NCERT Solutions”

  1. Hello mam can you, please provide bio notes.. it’s a humble request to go ur name at highly reputed pesonality and be a hero by providing notes of 12th book cbse bio notes wherever it could be found


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