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CBSE Class 11 Biotechnology Syllabus 2022-23

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CBSE Class 11 Biotechnology Syllabus 2022-23 includes Biotechnology: An overview, Molecules of Life, Genetics and Molecular Biology, Cells and Organisms etc for the session 2022 – 2023. Here is the detailed syllabus. To download class 11 Biotechnology CBSE latest sample question papers for the 2023 exams, please install the myCBSEguide App which is the best mobile app for CBSE students. The myCBSEguide app not only provides you the CBSE class 11 Biotechnology model question papers but it also provides class 11 Biotechnology chapter-wise test papers, class 11 Biotechnology best revision notes and other study material for class 11 Biotechnology students.

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CBSE Class – 11
Bio-Technology (Code No. 045)
Syllabus (2022-23)

One Paper
3 hrs.
Max. Marks: 70+30

Unit-IBiotechnology: An overview5
Unit-IIMolecules of Life20
Unit-IIIGenetics and Molecular Biology20
Unit-IVCells and Organisms25


One Paper
3 hrs.
Total Marks: 70

Unit-I Biotechnology: An overview (5 Marks)

Chapter 1: Biotechnology: An Overview
Historical Perspectives, Technology and Applications of Biotechnology, Global market and Biotech Products.

Unit-II Molecules of Life (20 Marks)

Chapter 1: Biomolecules: Building Blocks
Building Blocks of Carbohydrates – Sugars and their Derivatives, Building Blocks of Proteins – Amino Acids, Building Blocks of Lipids – Simple Fatty Acids, Glycerol and Cholesterol, Building Blocks of Nucleic Acids – Nucleotides.

Chapter 2: Macromolecules: Structure & Function
Carbohydrates – The Energy Givers, Proteins – The Performers, Enzymes – The Catalysts, Lipids and Biomembranes – The Barriers, Nucleic Acids – The Managers

Unit-III Genetics and Molecular Biology (20 Marks)

Chapter 1: Concepts of Genetics
Historical Perspective, Multiple Alleles, Linkage and Crossing Over, Genetic Mapping.

Chapter 2: Genes and Genomes: Structure and Function
Discovery of DNA as Genetic Material, DNA Replication, Fine Structure of the Genes, From Gene to Protein, Transcription – The Basic Process, Genetic Code, Translation, Mutations, Human Genetic Disorders.

Unit IV: Cells and Organisms (25 Marks)

Chapter 1: The Basic Unit of Life Cell Structure and Components, Organization of Life Chapter 2: Cell Growth and Development Cell Division, Cell Cycle, Cell Communication, Nutrition, Reproduction, Immune Response in Animals.


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

  1. Preparation of buffers and pH determination
  2. Sterilization techniques
  3. Preparation of bacterial growth medium
  4. Cell counting
  5. Sugar Estimation using Di Nitro Salicylic Acid test (DNS test)
  6. Assay for amylase enzyme
  7. Protein estimation by biuret method

Scheme of Evaluation
Time: 3 Hours
Max. Marks: 30

The scheme of evaluation at the end of session will be as under:
Two experiments: 20 Marks
Viva on experiments: 5 Marks
Practical record 5 Mark

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