मराठी
Tamil Nadu Board of Secondary EducationHSC Science Class 11
पाठ्यपुस्तक उत्तरे९७२७
संकल्पना स्पष्टीकरण१९७
अभ्यासक्रम

Zoology HSC Science Class 11 Tamil Nadu Board of Secondary Education Syllabus 2025-26

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Tamil Nadu Board of Secondary Education Class 11 Zoology Syllabus - Free PDF Download

Tamil Nadu Board of Secondary Education Syllabus 2025-26 Class 11: The Tamil Nadu Board of Secondary Education Class 11 Zoology Syllabus for the examination year 2025-26 has been released by the Tamil Nadu Board, Tamil Nadu Board of Secondary Education. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2025-26 Tamil Nadu Board of Secondary Education Class 11 Zoology Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new Tamil Nadu Board of Secondary Education syllabus to prepare for their annual exam properly.

The detailed Tamil Nadu Board of Secondary Education Class 11 Zoology Syllabus for 2025-26 is below.

Academic year:

Tamil Nadu Board of Secondary Education Class 11 Zoology Revised Syllabus

Tamil Nadu Board of Secondary Education Class 11 Zoology Course Structure 2025-26 With Marking Scheme

#Unit/TopicWeightage
1  The Living World 
2  Kingdom Animalia 
3  Tissue Level of Organisation 
4  Organ and Organ Systems in Animals 
5  Digestion and Absorption 
6  Respiration 
7  Body Fluids and Circulation 
8  Excretion 
9  Locomotion and Movement 
10  Neural Control and Coordination 
11  Chemical Coordination and Integration 
12  Basic Medical Instruments and Techniques 
13  Trends in Economic Zoology 
 Total -
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Syllabus

1 The Living World [Revision]
  • Diversity in the Living World  
    • Diversity in the Living World
    • Biodiversity
    • Types of Biodiversity
    1. Genetic Biodiversity
    2. Species Biodiversity
    3. Ecological Biodiversity
  • Need for Classification  
  • Taxonomy and Systematics  
    • Taxonomy
    • Systematics
    • Classification of Taxonomy
    1. Plant Taxonomy
    2. Animal Taxonomy
  • Three Domains of Life  
    • Three Domains of life
    • Domain Archaea
    • Domain Bacteria
    • Domain Eukarya (Eukaryotes)
  • Taxonomic Hierarchy  
    • Taxon
  • Nomenclature  
    • Definition: Nomenclature
    • Key Points: Nomenclature of Carbon Compounds
  • Concept of Species  
  • Tools for Study of Taxonomy  
    • The classical taxonomical tools
    • Molecular taxonomical tools
    • Automated species identification tools
2 Kingdom Animalia [Revision]
3 Tissue Level of Organisation [Revision]
4 Organ and Organ Systems in Animals [Revision]
  • Earthworm - Lampito Mauritii  
    • Earthworms
    • Classification of earthworm
    • Economic importance of earthworm
  • Cockroach - Periplaneta Americana  
    • Cockroach - Periplaneta americana
    • Biological classification of cockroach
    • Various kinds of cockroaches
  • Frog  
5 Digestion and Absorption [Revision]
  • Human Digestive System  
    • Digestion
    • Alimentary Canal 
    • Digestive organs
  • Digestion of Food and Role of Digestive Enzymes  
    • Digestion in the buccal cavity
    • Digestion in the stomach
    • Digestion in the small intestine
  • Peristalsis, Digestion, Absorption and Assimilation of Proteins, Carbohydrates and Fats  
    • Absorption
    • It is carried out by various processes:
    1. Passive Absorption
      ⇒ Process
      a) Simple diffusion
      b) Osmosis
      c) Facilitated transport
    2. Active absorption
    • Absorption of fatty acids and glycerol
    • Absorption in different parts of the alimentary canal
    • Assimilation
  • Egestion of Food  
  • Nutrients, Vitamins and Minerals  
    • Vitamins
    • Minerals
  • Caloric Value of Carbohydrates, Proteins and Fats  
  • Nutritional and Digestive Disorders  
6 Respiration [Revision]
7 Body Fluids and Circulation [Revision]
8 Excretion [Revision]
9 Locomotion and Movement [Revision]
  • Types of Movement  
  • Different Types of Muscles and Their Functions  
  • Skeletal Muscle (Voluntary Muscle)  
    • Structure of a skeletal muscle fibre
  • Structure of Contractile Proteins  
  • Mechanism of Muscle Contraction  
  • Types of Skeletal Muscle Contraction  
    • Isotonic contraction
    • Isometric contraction
  • Properties of Skeletal Muscle  
  • Skeletal System and Its Function  
  • The Axial Skeleton  
    • The Skull 
    • The Vertebral Column
    • The Sternum (Chest bone)
    • The Rib cage
  • The Appendicular Skeleton  
    • The Upper limb
    • The Lower limb
    • Structure of a typical long bone
  • Types of Joints  
    • Synarthroses
    • Sutures
    • Syndesmoses
    • Gomphoses
      A. Cartilagenous or slightly movable joints - Synchondroses, Symphysis
      B. Synovial joints or freely movable joints - Pivot joint, Ball and socket joint, Hinge joint, Condyloid joint, Gliding joint, Saddle joint.
  • Disorders of Muscular and Skeletal System  
  • Benefits of Regular Exercise  
    1. Health Benefits
      (a) Reduces risk of Cardiovascular Disease
      (b) Weight Management
      (c) Strengthens Bones and Muscles
      (d) Reduces risk of some Cancers
      (e) Reduces risk of Falls
    2. Provides Stress Relief
    3. Increases Happiness
    4. Promotes Self-Efficacy
    5. Promotes Social Cohesion
    6. Enhances Value Orientation
    7. Cognitive Benefits
      (a) Attention Control
      (b) Improves Memory
    8. Mental Health Benefits
      (a) Exercise as therapy for emotional disorder
      (b) Fitness as moderator of life stress
      (c) Runners High
    9. Psychological Well-being
    10. Personality Enhancement
    11. Develops Leadership Qualities
    12. Special Population
      (a) Clinical Population
      (b) Elderly Population
  • Bone Fracture  
    • Mechanism and healing of a bone fracture
    1. Formation of haematoma
    2. Formation of fibrocartilaginous callus 
    3. Formation of Bony callus 
    4. Remodeling of Bone
  • Dislocation of Joints and Treatment  
  • Physiotherapy  
10 Neural Control and Coordination [Revision]
  • Human Neural System  
  • Sensory Reception and Processing  
    • Photoreceptor - Eye
    • Phonoreceptor
    • Olfactory receptors
11 Chemical Coordination and Integration [Revision]
  • Hypo and Hyper Activity of Endocrine Glands and Related Disorders  
12 Basic Medical Instruments and Techniques [Revision]
  • Diagnostic and Monitoring Instruments  
    • Stethoscope
    • Clinical significance of stethoscope
    • Sphygmomanometer
    • Types of sphygmomanometer
    • Clinical Significance
    • Glucometer
    • Significance
    • Autoanalyser
  • Imaging Instruments  
    • EEG – Electroencephalogram
    • Clinical significance of EEG
    • X-rays
    • Ultrasound imaging
    • Computed Tomographic (CT)
    • Positron Emission Tomographic Scanning (PET)
    • MRI-Magnetic Resonance Imaging
  • Therapeutic Instruments  
    • Pacemakers
    • Medical LASER
  • Biomedical Techniques  
    • Blood Cell Counting using Haemocytometer
    • Preparation of Blood Smear
    • Differential Count 
13 Trends in Economic Zoology [Revision]
  • Scope of Zoology  
  • Vermiculture  
    • Vermicomposting
    • Advantages of Using Vermicompost
  • Animal Husbandry (Livestock) > Apiculture (Bee Farming)  
  • Aquaponics  
    • Advantages of Aquaponic gardening
  • Aquaculture  
    • Fish culture
    • Prawn Culture 
    • Pearl Culture
  • Animal Husbandry and Management  
    • Poultry Farming
    • Duck Farming

Textbook SolutionsVIEW ALL [1]

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