Class 11 BiologyLocomotion and MovementUnit: Human PhysiologySyllabus Coverage: Types of movement, muscles, skeleton, joints and disordersConcept → Diagram → PracticeEasy Concept NotesMovement may be ciliary, flagellar or muscular.Skeletal muscle contraction follows sliding filament theory.Actin and myosin are contractile proteins.Skeleton supports…
Class 11 BiologyNeural Control and CoordinationUnit: Human PhysiologySyllabus Coverage: Neuron, nerves, CNS, PNS, visceral nervous system and impulse conductionConcept → Diagram → PracticeEasy Concept NotesNervous system provides fast coordination.Neuron is the structural and functional unit of nervous system.Impulse conduction depends…
Class 11 BiologyChemical Coordination and IntegrationUnit: Human PhysiologySyllabus Coverage: Endocrine glands, hormones, mechanism and disordersConcept → Diagram → PracticeEasy Concept NotesEndocrine glands release hormones into blood.Hormones act as chemical messengers.Hypothalamus controls pituitary secretions.Thyroid regulates metabolism; pancreas regulates blood glucose.Hormone action…
Class 11 BiologyDigestion and AbsorptionUnit: Human Physiology – FormativeSyllabus Coverage: Alimentary canal, digestive enzymes, absorption and disordersConcept → Diagram → PracticeEasy Concept NotesDigestion breaks complex food into absorbable forms.Enzymes digest carbohydrates, proteins and fats in specific regions.Small intestine is the…
Class 11 BiologyExcretory Products and their EliminationUnit: Human PhysiologySyllabus Coverage: Modes of excretion, kidney, urine formation, osmoregulation and disordersConcept → Diagram → PracticeEasy Concept NotesExcretion removes metabolic wastes.Humans are ureotelic and excrete urea.Nephron is the functional unit of kidney.Urine formation…
Class 11 BiologyPlant Growth and DevelopmentUnit: Plant PhysiologySyllabus Coverage: Seed germination, growth phases, differentiation and plant growth regulatorsLight + CO₂ + Water → Glucose + O₂Easy Concept NotesGrowth is irreversible increase in size, mass or cell number.Plant growth has phases:…
Class 11 BiologyBreathing and Exchange of GasesUnit: Human PhysiologySyllabus Coverage: Human respiratory system, breathing, gas exchange, transport and disordersStructure + Function + RegulationEasy Concept NotesBreathing involves inspiration and expiration.Alveoli are the main sites of gas exchange.Oxygen is transported mostly by…
Class 11 BiologyBody Fluids and CirculationUnit: Human PhysiologySyllabus Coverage: Blood, lymph, heart, cardiac cycle, ECG and disordersStructure + Function + RegulationEasy Concept NotesBlood transports gases, nutrients, hormones and wastes.Plasma and formed elements together make blood.Blood groups are based on antigens…
Class 11 BiologyBiomoleculesUnit: Cell: Structure and FunctionSyllabus Coverage: Proteins, carbohydrates, lipids, nucleic acids, enzymesNucleusCell membrane • Cytoplasm • OrganellesEasy Concept NotesBiomolecules are chemical substances present in living cells.Carbohydrates provide energy and structural support.Proteins perform structural, enzymatic, transport and regulatory roles.Lipids…
Class 11 BiologyCell Cycle and Cell DivisionUnit: Cell: Structure and FunctionSyllabus Coverage: Cell cycle, mitosis, meiosis and significanceNucleusCell membrane • Cytoplasm • OrganellesEasy Concept NotesCell cycle includes interphase and M phase.Interphase has G1, S and G2 phases; DNA replication occurs…