HBSE Class 11 Biotechnology Syllabus 2025-26 - The Board of School Education, Haryana, has published the biotechnology syllabus for the academic year 2025-26. Those students who have taken admission in the science stream at the Haryana board can download the syllabus from the PDF given below. The syllabus plays an important role in students' academic journey to plan their studies throughout the year, understand what topics will be emphasized, and, of course, to prepare for exams effectively.
Along with the syllabus, this article will also contain all the other important information, including a breakdown of marks, the evaluation scheme, and the course structure of the required subject.
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HBSE Class 11 Biotechnology Syllabus - Chapter-wise Division of Marks (2025-26)
Class: XI
Subject: Biotechnology
Code: 871
General Instructions:
- There will be an Annual Examination based on the entire syllabus.
- The Annual Examination will be of 60 marks, Practical Examination will be of 20 marks and 20 marks weightage shall be for Internal Assessment.
- For Practical Examination:
- i) Two experiments of 6 marks each.
- ii) One activity of 3 marks.
iii) Practical record of 2 marks.
- iv) Viva-voce of 3 marks.
- For Internal Assessment:
There will be a Periodic Assessment that would include:
- i) For 6 marks- Two SAT exams will be conducted and will have a weightage of 04 marks towards the final Internal Assessment.
- ii) For 2 marks- One half-yearly exam will be conducted and will have a weightage of 02 marks towards the final Internal Assessment.
iii)For 2 marks- Subject teacher will assess and give maximum 02 marks for CRP (Classroom participation).
- iv) For 5 marks- A project work to be done by students and will have a weightage of 05 marks towards the final Internal Assessment.
- v) For 5 marks- Attendance of student will be awarded 05 marks as:
| 75% to 80% | 01 marks |
| 80% to 85% | 02 marks |
| 85% to 90% | 03 marks |
| 90% to 95% | 04 marks |
| 95% to 100% | 05 marks |
HBSE Class 11 Biotechnology Syllabus - Course Structure
| Sr. no | Unit | Chapter | Marks |
| 1 | Biotechnology: An Overview | Biotechnology: An Overview | 5 |
| 2 | Molecules of Life |
| 18 |
| 3 | Genetics and Molecular Biology |
| 17 |
| 4 | Cells and Organisms |
| 20 |
| Total | 60 | ||
| Practical Examination | 20 | ||
| Internal Assessment | 20 | ||
| Grand Total | 100 |
HBSE Class 11 Biotechnology Syllabus
Unit I: BIOTECHNOLOGY: AN OVERVIEW
Chapter 1: Biotechnology: An Overview Historical Perspectives:
Microorganisms as causative agents of fermentation; Technology and applications of Biotechnology: Bioprocessing Technology, Cell Culture, Recombinant DNA Technology, Cloning, Protein Engineering, Biosensors, Nanobiotechnology; Global Market of Biotech Products: Public Perception of Biotechnology; Biotechnology in India and Global Trends: Indian scenario, Global scenario
Unit II: MOLECULES OF LIFE
Chapter 1: Biomolecules: Building Blocks
Building Blocks of Carbohydrates - Sugars and Their Derivatives: Properties of sugars; Building Blocks of Proteins -Amino Acids: Properties of amino acids; Vitamins and coenzymes; Building Blocks of Lipids -- Simple Fatty Acids; Sphingosine; Glycerol and Cholesterol: Properties of lipids; Building Blocks of Nucleic Acids – Nucleotides: Properties of nucleotides; Biochemical Transformations: Carbohydrate metabolism: Overview of Metabolism- Catabolism, Anabolism and ATP, Catabolism of glucose and other hexoses, Photosynthesis: Calvin cycle of CO2 assimilation, Photorespiration, Nitrogen Fixation: Nitrogenase, Nitrogen fixation and organic farming
Unit II: MOLECULES OF LIFE
Chapter 2: Macromolecules: Structure and Function
Carbohydrates-The Energy Givers; Proteins - The Performers: Protein structure, Determination of amino acid sequences – Primary structure, Sequencing strategies, Protein secondary structures- alpha –helices and ß-pleats, Protein tertiary structures3-D structure, Protein quaternary structures; Proteins in action: Enzymes - The Catalysts: Properties of enzymes, Catalytic power of enzymes, Use of Enzymes in Biotechnology; Lipids and Biomembranes - The Barriers: Functions of Biomembranes; Nucleic Acids - The Managers
Unit III: GENETICS AND MOLECULAR BIOLOGY
Chapter 1: Concepts of Genetics
Historical Perspective; Mendelian genetics: Mendel's laws of inheritance: Law of segregation, Law of independent assortment, The role of chromosomes in inheritance; Multiple Alleles; Linkage and Crossing Over: Genetic recombination; Genetic Mapping; Gene Interaction; Sex-Linked Inheritance; Extranuclear Inheritance; Quantitative Inheritance; Genes at the Population Level
Unit III: GENETICS AND MOLECULAR BIOLOGY
Chapter 2: Genes and Genomes: Structure and Function DNA as genetic material: Identification of DNA as the transforming principle, The Hershey - Chase experiment; DNA Replication: Overall principle of DNA replication, Meselson and Stahl experiment, Molecular mechanism of DNA replication, Replicative machinery: enzymes in DNA replication, Semidiscontinuous replication; Fine Structure of the Gene; From Gene to Protein; Transcription-The Basic Process; Genetic Code; Translation: Transfer RNA (tRNA): The adaptor molecules, Charging the tRNA: Attachment of amino acid to tRNA, Ribosomes: The cellular protein synthesizing machinery, Mechanism of translation: Initiation, Elongation, Termination; Regulation of Gene Expression: Regulation of gene expression in prokaryotes, lac operon, Control of gene expression in eukaryotes; Mutations: Genome, chromosome and gene mutations; DNA Repair; Human Genetic Disorders: Pedigree Analysis; Genome Organization: Viral genomes, Prokaryotic genomes
Unit IV: CELL AND DEVELOPMENT
Chapter 1: The Basic Unit of Life Cell Structure and Components:
Cell membrane: Membrane proteins, Membrane lipids, Cell organelles: Nucleus, Cytoplasm, Endoplasmic reticulum (ER), Ribosomes, Golgi apparatus, Lysosomes, Peroxisomes, Mitochondria, Plastids, Cytoskeleton; Tissues and Organs: Animal tissues: Epithelial tissue, Connective tissue, Muscle tissue, Nervous tissue, Plant Tissues: Simple plant tissues, Complex plant tissues, Organs: Stem Cells; Biodiversity; Organization of Life
Unit IV: CELL AND DEVELOPMENT
Chapter 2: Cell Growth and Development Cell Division:
Mitosis: Prophase, Prometaphase, Metaphase, Anaphase, Telophase, Cytokinesis, Meiosis: Meiosis I (Prophase I, Metaphase I, Anaphase I, Telophase I and Cytokinesis), Meiosis II; Cell Cycle: Cell cycle regulation; Cell Communication; Movement: Amoeboid movement, Movement by cilia and flagella, Muscle and movement; Nutrition: Elements of nutrition, Plant nutrition, Animal nutrition, Nutrition in microbes; Gaseous Exchange: Gas exchange surfaces, Gas exchange in plants; Internal transport: Internal transport in animals, Internal transport in plants; Maintaining the internal environment: Regulation of water: Why and How water is regulated, Regulation of temperature: Why and How temperature is regulated; Reproduction: Reproduction in microbes, Reproduction in plants: Asexual reproduction, Sexual reproduction, Reproduction in animals: Asexual reproduction, Sexual reproduction, Human reproduction; In vitro Fertilization; Animal and Plant Development: Animal dimmune system, The immune response; Programmed Cell Death; Defense Mechanisms in Plants: Passive defense, Active defense development, Plant development; Immune Response in Humans and Animals:The immune system, The immune response; Programmed Cell Death; Defense Mechanisms in Plants: Passive defense, Active defense
HBSE Class 11 Biotechnology Syllabus - Download PDF
HBSE Biotechnology class 11 syllabus PDF - download here
Prescribed Books:
- Biotechnology - Textbook for Class XI, CBSE Publication
- Laboratory Manual-Biotechnology-Class XI, CBSE Publication
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