CBSE Class 11 Biotechnology Syllabus

CLASS- XI (2023-24) COURSE STRUCTURE
One Paper Time: 3 hrs.
Max. Marks 70+30   

Units                                                          Marks
Unit- I    Biotechnology: An overview               5
Unit-II   Molecules of Life                               20
Unit-III  Genetics and Molecular Biology       20   
Unit-IV  Cells and Organisms                        25
             Practical                                           30
             Total                                               100

CLASS XI
(Theory)
One Paper Time: 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.

PRACTICALS
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