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CLASS - XI (2017-18)

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



One Paper Time : 3 Hrs.

Total Marks: 70 180 Periods

Unit-I Biotechnology: An overview 5 Marks 20 Periods

Chapter-1: Biotechnology : An overview

Historical perspectives, Technology and Applications of Biotechnology, Global Market of Biotech, Products, Public Perception of Biotechnology, Biotechnology in India and Global Trends.

Unit-II Molecules of Life 20 Marks 50 Periods

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, Sphingosine, Glycerol and Cholesterol, Building blocks of Nucleic Acids - Nucleotides, Biochemical Transformations

Chapter-3: Macromolecules: Structure and 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 50 Periods

Chapter-1: Concepts of Genetics

Historical Perspective, Multiple Alleles, Linkage and Crossing Over, Genetic Mapping, Gene Interaction, Sex-Linked Inheritance, Extranuclear Inheritance, Qauntitative Inheritance, Genes at the Population Level

Chapter-2: Genens and Genomes: Structure and Function

Discovery of DNA as Genetic Material, DNA Replication, Fine Structure of Genes, From Gene to Protein, Transcription – The Basic Process, Genetic Code, Translation, Regulation of Gene Expression, Mutations, DNA Repair, Human Genetic Disorders, Genome Organization

Unit-IV Cells and Organisms 25 Marks 60 Periods

Chapter 1: The Basic Unit of Life
Cell Structure and Components, Tissues and Organs, Stem Cells, Biodiversity, Organization of Life.

Chapter 2: Cell Growth and Development
Cell Division, Cell Cycle, Cell Communication, Nutrition, Gaseous Exchange, Internal Transport, Maintaining the Internal Environment, Reproduction, In Vitro Fertilization, Animal and Plant Development, Immune Response in Animals, Programmed Cell Death, Defense Mechanisms in Plants.

 PRACTICALS                                                                                                                     60 Periods

Note: Every student is required to do the following experiments during the academic session. 1. Recoding Practical results & safety rures in the laboratory. 2. Preparation of buffers and pH determination 3. Sterilization techniques 4. Preparation of bacterial growth medium 5. Determination of bacterial growth curve 6. Cell counting 7. Isolation of milk protein (casein) 8. Estimation of whey protein by biuret method 9. Assaying the enzyme acid phosphate 10. Estimation of blood glucose by enzymatic & glucometer method (GOD/POD) 11. Study of various stages of mitosis and calculation of mitotic index 12. Preparation of karyotype

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 Marks


S.no. Typology of Questions Very Short Answer (VSA) 1 marks Short Answer-I (SA-1)2 marks Short Answer-II (SA-2)3 marks Long Answer (L.A) (5 marks) Total marks % Weightage
1 Knowledge Based  2 1 2 1 15 22%
2 Conceptual Understanding (Application and Reasoning based) 3 4 8 1 40 57%
3 Higher Order Thinking Skills (HOTS)  1 2                                                            -                                                          - 5 7%
4 Skill Based                                                                   - 1 1 1 10 14%
  Total  6 8 11 3 70 100%


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