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Class 11 Biology NCERT Solutions Chapter-wise

NCERT Solutions for Class 11 Biology -
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Biology Textbook for Class 11

Author: NCERT
Publisher: NCERT
Language: English

Shaalaa provides solutions for NCERT Class 11 and has all the answers for the questions given in Biology Textbook for Class 11. Shaalaa is surely a site that most of your classmates are using to perform well in exams.

You can solve Biology Textbook for Class 11 textbook questions and use Shaalaa NCERT Solutions for Class 11 Biology to verify your answers.

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Chapters covered in NCERT Solutions for Class 11 Biology

NCERT Class 11 Biology (11th) Chapter 1: The Living World solutions

Concepts covered in The Living World are Diversity in the Living World, Taxonomical Aids, Taxonomic Hierarchy of Living Organisms: Unit of Classification, What is ‘Living’?

NCERT Class 11 Biology (11th) Chapter 2: Biological Classification solutions

Concepts covered in Biological Classification are Bacteria, Biological Classification, Classification of Bacteria, Classification of Kingdom Plantae, Classification of Kingdom Protista, Division of Kingdom Fungi, Division of Kingdom Monera, Examples of Kingdom Monera, Five Kingdom Classification, Fungi, History of Classification, Kingdom Animalia, Kingdom Fungi, Kingdom Monera, Kingdom Plantae, Kingdom Protista, Lichens, Life Cycle Patterns in Plants, Life Processes in Fungi: Nutrition, Prions, Protozoa, Reproduction in Fungi, Structure and Function of Viruses, Structure of Bacteria, Structure of Fungi, Viroids, Viruses

NCERT Class 11 Biology (11th) Chapter 3: Plant Kingdom solutions

Concepts covered in Plant Kingdom are Algae, Angiosperms, Bryophytes: Amphibians of Plant Kingdom, Classification of Kingdom Plantae, Gymnosperms: Naked Seed Producing Plants, Kingdom Plantae, Life Cycle Patterns in Plants, Pteridophytes: Seedless Vascular Cryptogams, Systems of Plant Taxonomy, Thallophyta

NCERT Class 11 Biology (11th) Chapter 4: Animal Kingdom solutions

Concepts covered in Animal Kingdom are Class: Amphibia, Class: Aves, Class: Chondrichthyes, Class: Cyclostomata, Classification of Kingdom Animalia, Class: Mammalia, Class: Osteichthyes, Class: Reptilia, Invertebrata and Vertebrata, Kingdom Animalia, New Criteria for Basis of Classification, Non Chordates (Invertebrata), Phylum: Annelida, Phylum: Arthropoda, Phylum: Aschelminthes, Phylum: Chordata, Phylum: Cnidaria/Coelenterata, Phylum: Ctenophora, Phylum: Echinodermata, Phylum: Hemichordata, Phylum: Mollusca, Phylum: Platyhelminthes, Phylum: Porifera

NCERT Class 11 Biology (11th) Chapter 5: Morphology of Flowering Plants solutions

Concepts covered in Morphology of Flowering Plants are Description of Some Important Families, Parts of Flower, Plant Morphology, Root System, Semi-technical Description of a Typical Flowering Plant, Shoot System, Structure of a Dicotyledonous Seed, Structure of Monocotyledonous Seed, The Flower, The Fruit, The Inflorescence, The Leaf, The Seed

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NCERT Class 11 Biology (11th) Chapter 6: Anatomy of Flowering Plants solutions

Concepts covered in Anatomy of Flowering Plants are Anatomy and Functions of Different Parts of Flowering Plants, Complex Permanent Tissue: Phloem Structure and Function (Conducting Tissue), Complex Permanent Tissues, Complex Permanent Tissue: Xylem Structure and Function (Conducting Tissue), Cork Cambium, Dicotyledonous Root, Dicotyledonous Stem, Dorsiventral (Dicotyledonous) Leaf, Epidermal Tissue System, Ground Tissue System, Isobilateral (Monocotyledonous) Leaf, Meristems or Meristematic Tissues, Monocotyledonous Root, Monocotyledonous Stem, Permanent Tissue, Plant and Animals Tissue, Secondary Growth in Roots, Simple Permanent Tissues (Supporting Tissue), Tissues - “The Teams of Workers”, Vascular Cambium, Vascular Tissue System

NCERT Class 11 Biology (11th) Chapter 7: Structural Organisation in Animals solutions

Concepts covered in Structural Organisation in Animals are Anatomy of Cockroach, Anatomy of Earthworm, Anatomy of Frog, Connective Tissue, Earthworm - Lampito Mauritii, Epithelial Tissue, Introduction of Structural Organisation in Animals, Morphology of Cockroach, Morphology of Earthworm, Morphology of Frog, Muscular Tissue, Neural Tissues

NCERT Class 11 Biology (11th) Chapter 8: Cell: The Unit of Life solutions

Concepts covered in Cell: The Unit of Life are Cell Envelope and Its Modifications, Cell Membrane, Cell: the Fundamental Unit of Life, Cell Theory, Cell Wall, Centrosome and Centrioles, Cilia and Flagella, Cytoskeleton, Endomembrane System, Microbodies, Mitochondria, Nucleus, Organisms Show Variety in Cell Number, Shape and Size, Overview of Cell, Plant Cell and Animal Cell, Plastids, Prokaryotic Cells, Ribosomes, Ribosomes and Inclusion Bodies, Structure and Functions of Cell Envelope, Cell Membrane, Cell Wall, Cell Organelles, Structure of Prokaryotic and Eukaryotic Cells, The Invention of the Microscope and the Discovery of Cell

NCERT Class 11 Biology (11th) Chapter 9: Biomolecules solutions

Concepts covered in Biomolecules are Biomacromolecules, Biomolecules in Living System, Carbohydrates, Chemical Constituents of Living Cells, Classification and Nomenclature of Enzymes, Dynamic State of Body Constituents – Concept of Metabolism, Enzymes, Enzymes - Chemical Reactions, Enzymes - Co-factors, Enzymes - High Rates of Chemical Conversions, Factors Affecting Enzyme Activity, How to Analyse Chemical Composition?, Metabolic Basis for Living, Nature of Bond Linking Monomers in a Polymer, Nature of Enzyme Action, Nucleic Acids, Polysaccharides, Primary and Secondary Metabolites, Proteins, Structure and Function of Lipids, Structure of Proteins, The Living State

NCERT Class 11 Biology (11th) Chapter 10: Cell Cycle and Cell Division solutions

Concepts covered in Cell Cycle and Cell Division are Cell Cycle, Cytokinesis, Introduction of Cell Division, Karyokinesis (Nuclear Division), Meiosis I, Meiosis II, Phases of Cell Cycle, Significance of Meiosis, Significance of Mitosis

NCERT Class 11 Biology (11th) Chapter 10: Cell Cycle and Cell Division exercises

ExerciseNo. of questionsPages
Differentiate1 -

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NCERT Class 11 Biology (11th) Chapter 11: Transport in Plants solutions

Concepts covered in Transport in Plants are Active Transport, Cell to Cell Transport, Comparison of Different Transport Processes, Concept of Imbibition, Concept of Plant-water Relations, Diffusion of Gases, Facilitated Diffusion, Introduction of Long Distance Transport of Water, Introduction of Transport in Plants, Movement of Water, Gases and Nutrients, Opening and Closing of Stomata, Osmosi, Phloem Transport - Flow from Source to Sink, Phloem Transport - Pressure Flow Or Mass Flow Hypothesis, Plants Absorb Water, Simple Diffusion, Translocation of Mineral Ions, Transpiration, Transpiration - Transpiration and Photosynthesis – a Compromise, Transport in Plants (Numericals), Turgidity and Flaccidity (Plasmolysis), Uptake of Mineral Ions, Water Movement up a Plant, Water Potential (ψ)

NCERT Class 11 Biology (11th) Chapter 12: Mineral Nutrition solutions

Concepts covered in Mineral Nutrition are Biological Nitrogen Fixation, Criteria for Essentiality, Deficiency Symptoms of Essential Elements, Elementary Idea of Hydroponics, Introduction of Mineral Nutrition, Macro and Micro Nutrients and Their Role, Mechanism of Absorption of Elements, Methods to Study the Mineral Requirements of Plants, Mineral Nutrition (Questions), Nitrogen Cycle, Nitrogen Metabolism, Nitrogen to Ammonia Conversion and Nitrogenase, Soil as Reservoir of Essential Elements, Toxicity of Micronutrients, Translocation of Solutes

NCERT Class 11 Biology (11th) Chapter 13: Photosynthesis in Higher Plants solutions

Concepts covered in Photosynthesis in Higher Plants are Chloroplast Structure, Early Experiments on Photosynthesis, Electron Transport, Electron Transport - Chemiosmotic Hypothesis, Electron Transport - Cyclic and Non-cyclic Photo-phosphorylation, Electron Transport - Photolysis / Splitting of Water, Factors Affecting Photosynthesis, Light Dependent Reaction (Hill Reaction \ Light Reaction), Light-independent Reactions, Photochemical and Biosynthetic Phases of Photosynthesis, Photorespiration, Photosynthesis as a Mean of Autotrophic Nutrition, Photosynthesis in Higher Plants (Questions), Photosynthesis Reaction, Pigments Are Involved in Photosynthesis, Primary Acceptor of CO2, Site of Photosynthesis, The C4 Pathway, The Calvin Cycle, Where Does Photosynthesis Take Place?

NCERT Class 11 Biology (11th) Chapter 14: Respiration in Plants solutions

Concepts covered in Respiration in Plants are Amphibolic Pathways, Energy Relations - Number of ATP Molecules Generated, Exchange of Gases - in Plants, Oxidation of Pyruvate, Phases of Respiration: Fermentation, Phases of Respiration: Glycolysis, Phases of Respiration: Oxidative Phosphorylation, Phases of Respiration: Tricarboxylic Acid Cycle (Citric Acid Cycle Or Kreb’s Cycle), Plants Breathe, Respiration in Plant, Respiratory Balance Sheet, Respiratory Quotient (R.Q.), Types of Respiration: Aerobic and Anaerobic Respiration

NCERT Class 11 Biology (11th) Chapter 15: Plant Growth and Development solutions

Concepts covered in Plant Growth and Development are Characteristics of Growth Regulators, Concept of Development, Conditions for Plant Growth, Co-ordination in Plant: Tropism in Plants, Differentiation, Dedifferentiation and Redifferentiation, Discovery of Plant Growth Regulators, Introduction of Plant Growth and Development, Phases of Plant Growth, Photoperiodism, Physiological Effects of Plant Growth Regulators, Plant Growth and Development (Questions), Plant Growth Generally is Indeterminate, Plant Growth Rate, Seed Dormancy, Seed Germination, Vernalisation

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NCERT Class 11 Biology (11th) Chapter 16: Digestion and Absorption solutions

Concepts covered in Digestion and Absorption are Absorption of Digested Products, Alimentary Canal, Calorific Values of Carbohydrates, Calorific Values of Fats, Calorific Values of Proteins, Digestion and Absorption Questions, Digestion of Food, Digestive Glands, Egestion of Food, Introduction of Digestion and Absorption, Nutritional and Digestive Tract Disorders, Peristalsis, Digestion, Absorption and Assimilation of Proteins, Carbohydrates and Fats, Role of Digestive Enzymes and Gastrointestinal Hormones

NCERT Class 11 Biology (11th) Chapter 17: Breathing and Exchange of Gases solutions

Concepts covered in Breathing and Exchange of Gases are Breathing – Respiratory Cycle, Breating and Exchange of Gases (Questions), Disorders of Respiratory System, Exchange of Gases, Human Respiratory System, Introduction of Breating and Exchange of Gases, Regulation of Respiration, Respiratory Organs, Respiratory Volumes and Capacities, Transport of Gases - Transport of Carbon Dioxide, Transport of Gases - Transport of Oxygen

NCERT Class 11 Biology (11th) Chapter 18: Body Fluids and Circulation solutions

Concepts covered in Body Fluids and Circulation are Blood Transfusion and Blood Groups (ABO and Rh system), Body Fluids and Circulation (Questions), Cardiac Cycle, Cardiac Output, Compatibility of Antigen, Composition of Blood: Plasma (The Liquid Portion of Blood), Disorders of Circulatory System, Double Circulation, Electrocardiograph (ECG), Function of Platelets - Clotting of Blood (Coagulation), Human Circulatory System, Introduction of Body Fluids and Circulation, Lymph and Lymphatic System, Regulation of Cardiac Activity

NCERT Class 11 Biology (11th) Chapter 18: Body Fluids and Circulation exercises

ExerciseNo. of questionsPages
Give Technical Terms1 -
Short Questions1 -

NCERT Class 11 Biology (11th) Chapter 19: Excretory Products and their Elimination solutions

Concepts covered in Excretory Products and their Elimination are Accessory Excretory Organs, Common Disorders of the Urinary System, Dialysis and Artificial Kidney, Function of the Kidney - “Production of Urine”, Function of the Tubules, Human Excretory System, Introduction of Excretory Products and Their Elimination, Mechanism of Concentration of the Filtrate, Micturition, Modes of Excretion: Ammonotelism, Ureotelism, and Uricotelism, Osmoregulation, Regulation of Kidney Function

NCERT Class 11 Biology (11th) Chapter 20: Locomotion and Movement solutions

Concepts covered in Locomotion and Movement are Disorders of Muscular and Skeletal System, Introduction of Locomotion and Movement, Joints and Its Classification, Locomotion and Movement (Questions), Mechanism of Muscle Contraction, Muscles, Skeletal System, Structure of Contractile Proteins, Types of Movement

NCERT Class 11 Biology (11th) Chapter 21: Neural Control and Coordination solutions

Concepts covered in Neural Control and Coordination are Concept of Central Neural System (CNS), Eye - Mechanism of Vision, Human Ear, Human Eye: Structure of the Eye, Human Neural System, Neural Control and Coordination Questions, Neuron as Structural and Functional Unit of Neural System, Reflex and Reflex Action, Sense Organs, Sensory Perception, The Ear - Mechanism of Hearing, Transmission of Nerve Impulse

NCERT Class 11 Biology (11th) Chapter 22: Chemical Coordination and Integration solutions

Concepts covered in Chemical Coordination and Integration are Adrenal Gland (Suprarenal Gland), Chemical Coordination and Integration (Questions), Hormones of Heart, Kidney and Gastrointestinal Tract, Human Endocrine System, Hypo and Hyperactivity and Related Disorders, Introduction of Chemical Coordination and Integration, Mechanism of Hormone Action, Ovary, Pancreas (Islets of Langerhans), Parathyroid Gland, Pituitary Gland or Hypophysis Gland, Role of Hormones as Messengers and Regulators, Testis, The Hypothalamus, The Pineal Gland, Thymus Gland, Thyroid Gland

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