CBSE Class 11 Biology Syllabus

CBSE Class 11 Biology Syllabus

In the present attempt of the NCERT to revise the Biology syllabus of the Classes XI and XII, several documents like รฏยฟยฝLearning without Burdenรฏยฟยฝ, the National Curriculum Frameworkรฏยฟยฝ 2005, the report of the รฏยฟยฝNational Focus Group on Teaching of Scienceรฏยฟยฝ as well as reports of several external and internal reviews carried out helped to decide the main focus of the revision. Hence, the revised syllabus aims primarily at reducing the information load while ensuring at the same time that ample opportunities and scope for learning and appreciating basic concepts of Biology continues to be available within the framework. The Biology Syllabus reinforces the ideas introduced in the lower classes while the children learn new concepts besides getting exposure to contemporary areas of Biology. This syllabus aims also at emphasizing the underlying principles that are common to both animals and plants, as well as highlighting the interrelationships of Biology with other areas of knowledge. The format of the syllabus allows a simple, clear, sequential flow of concepts without any jarring jumps. The empirical experience gained and practical exercises carried out during the course would prepare the student to handle Biology easily at higher levels in case she/he opts to continue further studies in this area. The revised syllabus stresses the connection of the study of Biology to real-life problems รฏยฟยฝ use of biological discoveries/innovations in everyday life รฏยฟยฝ in environment, industry, medicine, health and agriculture.

1. The Living World

  • What is ‘living’?
  • Diversity in the living world
  • Taxonomic categories
    • Species
    • Genus
    • Family
    • Order
    • Class
    • Phylum
    • Kingdom
  • Taxonomical aids
    • Herbarium
    • Botanical Gardens
    • Museum
    • Zoological Parks
    • Key

2. Biological Classification

  • Kingdom Monera
    • Archaebacteria
    • Eubacteria
  • Kingdom Protista
    • Chrysophytes
    • Dinoflagellates
    • Euglenoids
    • Slime Moulds
    • Protozoans
  • Kingdom Fungi
    • Phycomycetes
    • Ascomycetes
    • Basidiomycetes
    • Deuteromycetes
  • Kingdom Plantae
  • Kingdom Animalia
  • Viruses, Viroids, Prions, And Lichens

3. Plant Kingdom

  • Algae
    • Chlorophyceae
    • Phaeophyceae
    • Rhodophyceae
  • Bryophytes
    • Liverworts
    • Mosses
  • Pteridophytes
  • Gymnosperms
  • Angiosperms
  • Plant Life Cycles and Alternation of Generations

4. Animal Kingdom

  • Basis Of Classification
    • Levels of Organisation
    • Symmetry
    • Diploblastic and Triploblastic Organisation
    • Coelom
    • Segmentation
    • Notochord
  • Classification of Animals
    • Phylum – Porifera
    • Phylum – Coelenterata (Cnidaria)
    • Phylum – Ctenophora
    • Phylum – Platyhelminthes
    • Phylum – Aschelminthes
    • Phylum – Annelida
    • Phylum – Arthropoda
    • Phylum – Mollusca
    • Phylum – Echinodermata
    • Phylum – Hemichordata
    • Phylum – Chordata

5. Morphology of Flowering Plants

  • The Root
    • Regions of the Root
    • Modifications of Root
  • The Stem
    • Modifications of Stem
  • The Leaf
    • Venation
    • Types of Leaves
    • Phyllotaxy
    • Modifications of Leaves
  • The Inflorescence
  • The Flower
    • Parts of a Flower
  • The Fruit
  • The Seed
    • Structure of a Dicotyledonous Seed
    • Structure of Monocotyledonous Seed
  • Semi-technical
  • Description of a Typical Flowering Plant
    • Fabaceae
    • Solanaceae
    • Liliaceae
  • Description of Some Important Families

6. Anatomy of Flowering Plants

  • The Tissues
    • Meristematic Tissues
    • Permanent Tissues
  • The Tissue System
    • Epidermal Tissue System
    • The Ground Tissue System
    • The Vascular Tissue System
  • Anatomy of Dicotyledonous and Monocotyledonous Plants
    • Dicotyledonous Root
    • Monocotyledonous Root
    • Dicotyledonous Stem
    • Monocotyledonous Stem
    • Dorsiventral (Dicotyledonous) Leaf
    • Isobilateral (Monocotyledonous) Leaf
  • Secondary Growth
    • Vascular Cambium
    • Cork Cambium
    • Secondary Growth in Roots

7. Structural Organisation in Animals

  • Animal Tissues
  • Organ and Organ System
  • Earthworm
  • Cockroach
  • Frogs

8. Cell: The Unit of Life

  • What is a Cell?
  • Cell Theory
  • An Overview of Cell
  • Prokaryotic Cells
    • Cell Envelope and its Modifications
    • Ribosomes and Inclusion Bodies
  • Eukaryotic Cells
    • Cell Membrane
    • Cell Wall
    • Endomembrane System
    • Mitochondria
    • Plastids
    • Ribosomes
    • Cytoskeleton
    • Cilia and Flagella
    • Centrosome and Centrioles
    • Nucleus
    • Microbodies

9. Biomolecules

  • How to Analyse Chemical Composition?
  • Primary and Secondary Metabolites
  • Biomacromolecules
  • Proteins
  • Polysaccharides
  • Nucleic Acids
  • Structure of Proteins
  • Nature of Bond Linking Monomers in a Polymer
  • Dynamic State of Body Constituents - Concept of Metabolism
  • Metabolic Basis for Living
  • The Living State
  • Enzymes

10. Cell Cycle and Cell Division

  • Cell Cycle
  • M Phase
  • Significance of Mitosis
  • Meiosis
  • Significance of Meiosis

11. Transport in Plants

  • Means of Transport
  • Plant-Water Relations
  • Long Distance Transport of Water
  • Transpiration
  • Uptake and Transport of Mineral Nutrients
  • Phloem Transport: Flow from Source to Sin

12. Mineral Nutrition

  • Methods to Study the Mineral Requirements of Plants
  • Essential Mineral Elements
  • Mechanism of Absorption of Elements
  • Translocation of Solutes
  • Soil as Reservoir of Essential Elements
  • Metabolism of Nitrogen

13. Photosynthesis in Higher Plants

  • What do we Know?
  • Early Experiments
  • Where does Photosynthesis take place?
  • How many Pigments are involved in Photosynthesis?
  • What is Light Reaction?
  • The Electron Transport
  • Where are the ATP and NADPH Used?
  • The C4 Pathway
  • Photorespiration
  • Factors affecting Photosynthesis

14. Respiration in Plants

  • Do Plants Breathe?
  • Glycolysis
  • Fermentation
  • Aerobic Respiration
  • The Respiratory Balance Sheet
  • Amphibolic Pathway
  • Respiratory Quotient

15. Plant Growth and Development

  • Growth
  • Differentiation, Dedifferentiation and Redifferentiation
  • Development
  • Plant Growth Regulators
  • Photoperiodism
  • Vernalisation

16. Digestion and Absorption

  • Digestive System
  • Digestion of Food
  • Absorption of Digested Products
  • Disorders of Digestive System

17. Breathing and Exchange of Gases

  • Respiratory Organs
  • Mechanism of Breathing
  • Exchange of Gases
  • Transport of Gases
  • Regulation of Respiration
  • Disorders of Respiratory System

18. Body Fluids and Circulation

  • Blood
  • Lymph (Tissue Fluid)
  • Circulatory Pathways
  • Double Circulation
  • Regulation of Cardiac Activity
  • Disorders of Circulatory System

19. Excretory Products and their Elimination

  • Human Excretory System
  • Urine Formation
  • Function of the Tubules
  • Mechanism of Concentration of the Filtrate
  • Regulation of Kidney Function
  • Micturition
  • Role of other Organs in Excretion
  • Disorders of the Excretory System

20. Locomotion and Movement

  • Types of Movement
  • Muscle
  • Skeletal System
  • Joints
  • Disorders of Muscular and Skeletal System

21. Neural Control and Coordination

  • Neural System
  • Human Neural System
  • Neuron as Structural and Functional Unit of Neural System
  • Central Neural System
  • Reflex Action and Reflex Arc
  • Sensory Reception and Processing

22. Chemical Coordination and Integration

  • Endocrine Glands and Hormones
  • Human Endocrine System
  • Hormones of Heart, Kidney and Gastrointestinal Tract
  • Mechanism of Hormone Action

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