HBSE 11th Biology Syllabus 2025: Download Haryana Board Biology Syllabus 2024-2025 PDF

Unit I: Diversity in the Living World

Chapter 1: The Living World

• Diversity in the living world, Taxonomic Categories- Species, Genus, Family, Order, Class, Phylum, Kingdom

Chapter 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, Viroid, Prions, Lichens

Chapter 3: Plant Kingdom

• Algae: Chlorophyceae, Phaeophyceae, Rhodophyceae
• Bryophytes: liverworts, mosses
• Pteridophytes, Gymnosperms, Angiosperms

Chapter 4: Animal Kingdom

• Basis of classification-levels of organization, symmetry, diploblastic and triploblastic organization, coelom, segmentation, notochord
• Classification of animals: Phylum-Porifera, Coelenterates, (cnidaria), Ctenophora, Platyhelminthes, Aschelminths, Annelida, Arthropoda, Mollusca, Echinodermata, Hemi-Chordata, Phylum Chordata- Subphyla: Urochordata, Cephalo-Chordata, Vertebrata-class-Cyclostomata, Chondrichthyes, Osteichthyes, Amphibia, Reptilia, Aves, Mammalia

Unit II: Structural Organisation in Plants and Animals

Chapter 5: Morphology of Flowering Plants

• The root- regions of root
• The leaf- venation, types of leaves phyllotaxy
• The Inflorescence; The flower, Parts of flower: calyx, corolla, androecium, gynoecium
• The Fruit; The seed- structure of a dicotyledonous seed, structure of monocotyledonous seed
• Semitechnical description of a typical flowering plant, Solanaceae

Chapter 6: Anatomy of flowering plants

• 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 and Dorsiventral (Dicotyledonous) leaf, Isobilateral (Monocotyledonous) leaf

Chapter 7: Structural Organisation in Animals

• Organ and organ systems, Frogs- morphology, anatomy

Unit III: Cell: Structure and Functions

Chapter 8: Cell the Unit of Life

• What is a cell? cell theory, an overview of cell, prokaryotic cells, cell envelope and its modifications, ribosome and inclusion bodies
• Eukaryotic cells, cell membrane, cell wall, endomembrane system: endoplasmic reticulum (ER), Golgi apparatus, lysosomes, Vacuoles; Mitochondria, Plastids, Ribosomes, cytoskeleton, cilia and flagella, centrosome and centrioles, Nucleus, microbodies

Chapter 9: Biomolecules

• How to analyze chemical composition? Primary and secondary metabolites, biomacromolecules, proteins, polysaccharides, nucleic acid, Structure of Proteins
• Enzymes- chemical reactions, how do enzymes bring about such high rate of chemical conversions? Nature of enzyme action, factors affecting enzymes activity- temperature and pH, concentration of substrate, Classification and nomenclature of Enzymes, co-factors

Chapter 10: Cell Cycle and Cell division

• Cell cycle, phases of cell cycle
• M phase-Prophase, metaphase, anaphase, telophase, cytokinesis
• Significance of mitosis; Meiosis- meiosis I, meiosis II, Significance of meiosis

Unit IV: Plant Physiology

Chapter 11: Photosynthesis in Higher Plants:

• What do we know? Early experiments, Where does photosynthesis take place? How many types of pigments are involved in photosynthesis? What is light reaction?
• The electron transport splitting of water, cyclic and noncyclic photophosphorylation, chemiosmotic hypothesis
• Where are the ATP and NADPH used?- the primary acceptor of CO2, The Calvin cycle, The C4 pathway, Photorespiration, Factors affecting Photosynthesis- Light, carbon dioxide concentration. temperature, water

Chapter 12: Respiration in Plants

• Do plants breath? Glycolysis, Fermentation, Aerobic Respiration
• Tricarboxylic acid cycle, electron transport system and oxidative phosphorylation
• The respiratory balance sheet, Amphibolic pathway, Respiratory quotient

Chapter 13: Plant Growth and Development

• Growth- Plant growth generally is indeterminate, growth is measurable, phases of growth, growth rates, conditions for growth
• Differentiation, dedifferentiation and redifferentiation. Development, Plant growth regulators- Characteristics, discovery of plant growth regulators, physiological effects of plant growth regulators- auxins, gibberellins, cytokinin, ethylene, abscisic acid

Unit V: Human Physiology

Chapter 14: Breathing and Exchange of Gases

• Respiratory organs- Human respiratory system
• Mechanism of Breathing- Respiratory volumes and capacities- tidal volume, IRV, ERV, RV, IC, EC, FRC, VC, TLC
• Exchange of Gases, Transport of gases transport of oxygen, transport of carbon-dioxide
• Regulation of respiration, Disorders of Respiratory system

Chapter 15: Body fluids and Circulation

• Blood- Plasma, Formed elements, Blood groups- ABO grouping, Rh grouping; Coagulation of blood
• Lymph (Tissue fluid), Circulatory pathways- Human circulatory system, Cardiac cycle, Electrocardiograph (ECG)
• Double circulation, Regulation of cardiac activity, Disorders of circulatory system

Chapter 16: Excretory Products and their Elimination

• Human Excretory system, Urine formation, Function of tubules, Mechanism of concentration of the filtrate, Regulation of Kidney function, Micturition, Role of other organs in excretion. Disorders of excretory system

Chapter 17: Locomotion and Movement

• Types of movement, Muscle, structure of contractile proteins, mechanism of muscle contraction
• Skeletal system, Joints, Disorders of muscular and skeletal system

Chapter 18: Neural control and coordination

• Neural system, Human Neural system, Neuron as structural and functional unit of neural system, generation and conduction of nerve impulse, transmission of impulses
• Central Neural System-Forebrain, midbrain, hindbrain

Chapter 19: Chemical coordination and Integration

• Endocrine glands and hormones, Human endocrine system, the hypothalamus, the pituitary gland, the Pineal gland, thyroid gland, parathyroid gland, thymus, adrenal gland, Pancreas, Testis Ovary
• Hormones of heart, kidney and gastrointestinal tract, Mechanism of hormone action

S No

Marks

I

Diversity of Living Organisms 

Living World

15

Biological Classification

Plant Kingdom 

Animal Kingdom 

II

Structural Organization in Plants and Animals

Morphology of Flowering plants

10

Anatomy of Flowering plants

Structural Organization in Animals

III

Cell: Structure and Function

Cell: The Unit of Life

15

Biomolecules 

Cell Cycle and Cell Division

IV

Plant Physiology

Photosynthesis in Plants

12

Respiration in Plants

Plant Growth and Development

V

Human Physiology

Breathing and Exchange of Gases 

18

Body Fluid and its Circulation

Excretory Products and their Elimination

Locomotion and Movement

Neural Control and Coordination

Chemical Control and Integration 

Total

70

Practical

30

Grand Total

100