Tamil Nadu Board of Secondary EducationHSC Science Class 11th
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Botany Class 11th HSC Science Tamil Nadu Board of Secondary Education Topics and Syllabus

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Tamil Nadu Board of Secondary Education Syllabus For Class 11th Botany: Knowing the Syllabus is very important for the students of Class 11th. Shaalaa has also provided a list of topics that every student needs to understand.

The Tamil Nadu Board of Secondary Education Class 11th Botany syllabus for the academic year 2021-2022 is based on the Board's guidelines. Students should read the Class 11th Botany Syllabus to learn about the subject's subjects and subtopics.

Students will discover the unit names, chapters under each unit, and subtopics under each chapter in the Tamil Nadu Board of Secondary Education Class 11th Botany Syllabus pdf 2021-2022. They will also receive a complete practical syllabus for Class 11th Botany in addition to this.

Academic year:

Tamil Nadu Board of Secondary Education Class 11th Botany Revised Syllabus

Tamil Nadu Board of Secondary Education Class 11th Botany and their Unit wise marks distribution

Tamil Nadu Board of Secondary Education Class 11th Botany Course Structure 2021-2022 With Marking Scheme

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Syllabus

1 Living World
  • Attributes of Living Organisms 
    • Growth
    • Cellular structure
    • Reproduction
    • Response to stimuli
    • Homeostasis
    • Metabolism
  • Viruses 
    • Milestones in Virology
    • Size and Shape
    • Characteristic Features of Viruses
    • Classification of Viruses
    • Tobacco Mosaic Virus (TMV)
    • Bacteriophage
    • Multiplication or Life Cycle of Phages
    • Viral diseases
  • Classification of Living World 
    • Need of Classification
  • Bacteria 
    • Bacteria Friends or Foes?
    • Milestones in Bacteriology 
    • General characteristic features of Bacteria
    • Ultrastructure of a Bacterial cell
    • Gram staining procedure
    • Life processes in Bacteria
    • Reproduction in Bacteria
    • Economic importance of Bacteria
    • Archaebacteria
    • Cyanobacteria (Blue Green Algae)
    • Mycoplasma or Mollicutes
    • Actinomycetes (Actinobacteria)
  • Fungi 
    • World War II and Penicillin History speaks on fungi
    • Milestones in Mycology
    • General characteristic features 
    • Methods of Reproduction in Fungi
    • Classification of Fungi
    • Economic importance 
    • Mycorrhizae
    • Lichens
2 Plant Kingdom
  • Classification of Plants 
  • Life Cycle Patterns in Plants 
    • Alternation of Generation
    • Haplontic Life Cycle
    • Diplontic Life Cycle
    • Haplodiplontic Life Cycle
  • Algae 
    • General Characteristic features
    • Classification
    • Economic Importance
  • Bryophytes 
    • Amphibians of Plant Kingdom
    • General characteristic features
    • Economic importance
  • Pteridophytes 
    • Seedless Vascular Cryptogams
    • General characteristic features of Pteridophytes
    • Economic Importance
    • Types of Stele
  • Gymnosperms 
    • Naked seed producing Plants
    • general characteristics and graphic outline of life cycle of a typical gymnosperm (Pinus).
    • Economic importance.
    • mycorrhiza,Gymnosperms:(a) Cycas(b) Pinus (c) Ginkgo
  • Angiosperms 
    • Classification Upto Class, Characteristic Features and Examples
    • flowers, dicotyledons, monocotyledons,double fertilisation
3 Vegetative Morphology
  • Habit 
    • Herbs
    • Shrubs
    • Climbers (Vine)
    • Trees
  • Plant Habitat 
    • Terrestrial
    • Aquatic
  • Life Span 
    • Annuals
    • Biennials
    • Perennials
  • Parts of a Flowering Plant 
  • Root System 
    • Characteristic features
    • Regions of root
    • Types of root system
    1. Tap root system
    2. Adventitious root system
    • Functions of root
    • Modifications of root
    1. Tap root modification
    2. Adventitious root modification
  • Shoot System 
    • Characteristic features of the stem
    • Functions of the stem
    • Types of Stem
    • Modification of Stem
    1. Aerial modification of stem
    2. Sub aerial stem modifications
    3. Underground stem modifications
    4. Stem Branching
  • Concept of Leaf 
    • Introduction - axillary bud,leaf base,pulvinus,lamina or the leaf blade
    • Venation - Structure of a leaf : (a) Parts of a leaf(b) Reticulate venation(c) Parallel venation
    • Types of Leaves - Compound leaves : (a) pinnately compound leaf(b) palmately compound leaf
    • Phyllotaxy - Different types of phyllotaxy : (a) Alternate (b) Opposite(c) Whorled
    • Modifications of Leaves - Modifications of leaf for : (a) support: tendril (b) protection:spines (c) storage: fleshy leaves
    • Characteristics of leaf
    • Functions of the leaf
    • Parts of the leaf
    1. Leaf base (hypopodium)
    2. Petiole (stipe or mesopodium)
    3. Lamina (Leaf blade)
4 Reproductive Morphology
  • Concept of Inflorescence 
    • Racemose inflorescence
    • Cymose inflorescence
    • Mixed Inflorescence
    • Special Inflorescence
    • Types of Inflorescence
    • Based on branching pattern and other characters
  • Concept of Flower 
    • Whorls of flower
    • Flower sex
    • Plant sex
    • Flower symmetry
  • Accessory Organs 
    • Arrangement of whorls
    • Calyx
    • Corolla
    • Perianth
  • Androecium 
    • Fusion of stamens
    • Arrangement of stamens relate to length of stamens
    • Anther types
    • Anther attachment
  • Gynoecium 
    • Number of carpel
    • Fusion of carpels
    • Number of locules
    • Extension of the condensed internode of the receptacle
    • Ovary position
    • Perianth / Androecial position on thalamus
  • Construction of Floral Diagram and Floral Formula 
  • Fruits 
    • Structure of Fruit
    • Types of Fruit
    1. Simple Fruits
    2. Aggregate Fruits
    3. Multiple or Composite Fruit
    • Functions of Fruit
  • Seed 
5 Taxonomy and Systematic Botany
6 Cell: the Unit of Life
7 Cell Cycle
8 Biomolecules
  • Water 
    • Chemistry of Water
    • Properties of Water
  • Primary and Secondary Metabolites 
    • Organic Molecules
  • Biomolecules in the Cell 
    • Carbohydrates 
      • Types of Carbohydrates based on sugar unit
      1. Monosaccharides
      2. Oligosaccharides
        a. Disaccharides
        b. Trisaccharides
        c. Tetrasaccharides
      3. Polysaccharides 
      • Biological significance of Carbohydrates
      • Nomenclature of monosaccharides
      • Glucose
      • Structure and properties of glucose
      • Optical isomerism in glucose
      • Ring structure of glucose
      • Reducing nature of glucose
      • Representation of Fructose structure
    • Lipids 
      • Lipids
      1. Saturated fatty acids
      2. Unsaturated Fatty Acids 
      • Simple Lipids
      • Compound lipids
      • Sterols 
    • Enzymes 
      • Enzymes
      • Properties of Enzymes
    • Nucleic Acids 
      • Nucleotides
      • Structure of DNA
      • Ribonucleic Acid (RNA)
      • DNA double helix
  • Concept of Proteins 
    • Classification of Amino acids
    • Structure of Protein
    • Protein Denaturation
    • Protein Bonding
    • Test for Proteins
9 Tissue and Tissue System
10 Secondary Growth
  • Secondary Growth in Dicot Stem 
    • Vascular Cambium
    • Origin and Formation of Vascular 
    • Organization of Vascular Cambium
    • Storied (Stratified cambium) and Non-Storied (Non-stratified cambium)
    • Activity of Vascular Cambium
    • Dendroclimatology
    • Tyloses
    • Secondary Phloem
    • Periderm
    • Bark
    • Lenticel
  • Secondary Growth in Dicot Root 
    • Differences Between Secondary Growth in Dicot Stem and Root
  • Cambial Variants (Anomalous Secondary Growth) 
    • Anomalous position of Vascular Cambium
    • Abnormal behavior of Normal Cambium
    • Successive Cambium
    • Interxylary or Included Phloem
    • Presence of medullary bundles along with normal cambial activity
    • Presence of Cortial Bundles along with normal cambial activity
    • Intarxylary or Internal Phloem
    • Secondary Growth in Monocot
    • Anomalous Primary Growth
  • Timber 
    • Seasoning of wood
    • Grain, Texture, and Figure of wood
11 Transport in Plants
  • Types of Transport 
    • Surface Transport
    1. Pack Animals
    2. Bullock Carts
    3. Road Transport
    4. Motor Lorries and Buses
    5. Tramways
    6. Railway Transport
    • Water Transport
    1. Inland Waterways
    2. Ocean Waterways
    • Air Transport
  • Cell to Cell Transport 
    • Passive Transport
    • Characteristics of diffusion
    • Significance of diffusion in Plants
    1. Channel Protein
    2. Carrier Protein
    • Active Transport
  • Plant Water Relation 
  • Absorption of Water 
    • Absorption of Water
    • Path of Water Across Root Cells
    • Mechanism of Water Absorption
  • Translocation of Water (Ascent of Sap) 
    1. Root Pressure Theory (Vital Theory)
    2. Capillarity theory (physical force theory)
    3. Cohesion- tension theory (Transpiration pull theory)
    4. Adhesion
  • Transpiration 
    • Transpiration
    • Demonstration of Transpiration
    • Exchange of Gases
  • Translocation of Organic Solutes 
    • Path of Translocation
    • Ringing or girdling experiment
    • Direction of Translocation
    • Source and Sink
    • Phloem Loading
    • Phloem Unloading
    • Mechanism of Translocation
  • Mineral Absorption 
    • Passive Absorption
    • Active Absorption
    • Donnan equilibrium
12 Mineral Nutrition
13 Photosynthesis
14 Respiration
15 Plant Growth and Development
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