Class 11 Biology Index Page

Class 11 Biology syllabus has been updated for the year 2020. In accordance, our team of subject matter experts have added new chapters and revised existing changes. Class 11 Biology index encompasses all relevant details – from the main units and its consequent chapters and sub-chapters. Furthermore, to assist students in their studies, every concept has been explained in a manner that enables students to understand easily.

The complete syllabus for Class 11 Biology is provided here, which students can download and get acquainted with the topics that are essential to study in their respective classes.

For more details, check the links below:

Class 11 Biology Chapters List (2020 Update/ New Syllabus)



Chapter 1: The Living World

Chapter 2: Biological Classification

Chapter 3: Plant Kingdom

Chapter 4: Animal Kingdom




Chapter 5: Morphology of Flowering Plants

Chapter 6: Anatomy of Flowering Plants

Chapter 7: Structural Organisation in Animals




Chapter 8 : Cell: The Unit of Life

Chapter 9: Biomolecules

Chapter 10: Cell Cycle and Cell Division




Chapter 11: Transport in Plants

Chapter 12: Mineral Nutrition

Chapter 13: Photosynthesis in Higher Plants

Chapter 14: Respiration in Plants

Chapter 15: Plant Growth and Development




Chapter 16: Digestion and Absorption

Chapter 17: Breathing and Exchange of Gases

Chapter 18: Body Fluids and Circulation

Chapter 19: Excretory Products and their Elimination

Chapter 20: Locomotion and Movement

Chapter 21: Neural Control and Coordination

Chapter 22: Chemical Coordination and Integration

Class 11 Biology Chapters List (Pre-2020/ Old Syllabus)

Disclaimer: The following topics are from the pre-2020 syllabus (as per NCERT official website).

Unit-I Diversity of Living Organisms

Chapter-1: The Living World

1.1 What is living?

1.2 Biodiversity

1.3 Need for classification

1.4 Three domains of life

1.5 Taxonomy and systematics

1.6 Concept of species and taxonomical hierarchy

1.7 Binomial nomenclature

1.8 Tools for study of taxonomy

1.8.1 Museums

1.8.2 Zoological parks

1.8.3 Herbaria

1.8.4 Botanical gardens

1.8.5 Keys for identification.

Chapter-2: Biological Classification

2.1 Five kingdom classification

2.2 Salient features and classification of Monera, Protista and Fungi

into major groups

2.3 Lichens

2.4 Viruses

2.5 Viroids

Chapter-3: Plant Kingdom

3.1 Salient features and classification of plants into major groups

3.1.1 Algae

3.1.2 Bryophyta

3.1.3 Pteridophyta

3.1.4 Gymnosperms and Angiosperms

3.2 Angiosperms – classification up to class, characteristic features and examples

Chapter-4: Animal Kingdom

4.1 Salient features and classification of animals

4.1.1 Non-chordates up to phyla level and chordates up to class level

Unit-II Structural Organization in Animals and Plants

Chapter-5: Morphology of Flowering Plants

5.1 Morphology and modifications: Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and seed.

5.2 Description of families: Fabaceae, Solanaceae and Liliaceae

Chapter-6: Anatomy of Flowering Plants

6.1 Anatomy and functions of different tissues and tissue systems in dicots and monocots.

6.2 Secondary growth

Chapter-7: Structural Organisation in Animals

7.1 Animal tissues

7.2 Morphology, Anatomy and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of an insect-cockroach

Unit-III Cell: Structure and Function

Chapter-8: Cell-The Unit of Life

8.1 Cell theory and cell as the basic unit of life

8.1.1 Structure of prokaryotic cells

8.1.2 Structure of eukaryotic cells

8.2 Plant cell

8.3 Animal cell

8.4 Cell envelope

8.5 Cell membrane

8.6 Cell wall

8.7 Cell organelles – structure and function

8.8 Endomembrane system

8.8.1 Endoplasmic reticulum

8.8.2 Golgi bodies

8.8.3 Lysosomes

8.8.4 Vacuoles

8.8.5 Mitochondria

8.8.6 Ribosomes

8.8.7 Plastids

8.8.8 Microbodies

8.8.9 Cytoskeleton

8.8.10 Cilia

8.8.11 Flagella

8.8.12 Centrioles

8.8.13 Nucleus

Chapter-9: Biomolecules

9.1 Chemical constituents of living cells

9.1.1 Biomolecules

9.1.2 Structure and function of proteins

9.1.3 Carbohydrates

9.1.4 Lipids

9.1.5 Nucleic acids

9.2 Enzymes- types, properties, enzyme action

Chapter-10: Cell Cycle and Cell Division

10.1 Cell cycle

10.1.1 Mitosis and their significance

10.1.2 Meiosis and their significance

Unit-IV Plant Physiology

Chapter-11: Transport in Plants

11.1 Movement of water, gases and nutrients

11.2 Cell to cell transport

11.2.1 Diffusion

11.2.2 Facilitated diffusion

11.2.3 Active transport

11.3 Plant-water relations

11.3.1 Imbibition

11.3.2 Water potential

11.3.3 Osmosis

11.3.4 Plasmolysis

11.4 Long-distance transport of water

11.4.1 Absorption

11.4.2 Apoplast

11.4.3 Symplast

11.4.4 Transpiration pull

11.4.5 Root pressure

11.4.6 Guttation

11.5 Transpiration

11.5.1 Opening and closing of stomata

11.6 Uptake and translocation of mineral nutrients

11.6.1 Transport of food

11.6.2 Phloem transport

11.6.3 Mass flow hypothesis

Chapter-12: Mineral Nutrition

12.1 Essential minerals

12.1.1 Macro and micronutrients and their role

12.2 Deficiency symptoms

12.3 Mineral toxicity

12.4 Elementary idea of hydroponics as a method to study mineral nutrition

12.5 Nitrogen Metabolism

12.5.1 Nitrogen cycle

12.5.2 Biological nitrogen fixation

Chapter-13: Photosynthesis in Higher Plants

13.1 Photosynthesis as a means of autotrophic nutrition

13.2 Site of photosynthesis

13.2.1 Pigments involved in photosynthesis

13.3 Photochemical and biosynthetic phases of photosynthesis

13.4 Cyclic and non-cyclic photophosphorylation

13.5 Chemiosmotic hypothesis

13.6 Photorespiration

13.7 C3 and C4 pathways

13.8 Factors affecting photosynthesis

Chapter-14: Respiration in Plants

14.1 Exchange of gases

14.2 Cellular respiration

14.2.1 Glycolysis

14.2.2 Fermentation

14.2.3 TCA cycle

14.2.4 Electron transport system

14.3 Energy relations – number of ATP molecules generated

14.4 Amphibolic pathways

14.5 Respiratory quotient

Chapter-15: Plant – Growth and Development

15.1 Seed germination

15.2 Phases of plant growth and plant growth rate and conditions of growth

15.3 Differentiation – Dedifferentiation and Redifferentiation

15.4 Sequence of developmental processes in a plant cell

15.5 Growth regulators

15.5.1 Auxin

15.5.2 Gibberellin

15.5.3 Cytokinin

15.5.4 Ethylene

15.5.5 ABA

15.6 Seed dormancy

15.7 Photoperiodism and Vernalisation

Unit-V Human Physiology

Chapter-16: Digestion and Absorption

16.1 Alimentary canal and digestive glands

16.1.1 Role of digestive enzymes and gastrointestinal hormones

16.2 Peristalsis

16.2.1 Digestion absorption and assimilation of proteins, carbohydrates and fats

16.3 Calorific values of proteins, carbohydrates and fats

16.4 Egestion

16.5 Nutritional and digestive disorders

16.5.1 PEM

16.5.2 Indigestion

16.5.3 Constipation

16.5.4 Vomiting

16.5.5 Jaundice

16.5.6 Diarrhoea

Chapter-17: Breathing and Exchange of Gases

17.1 Respiratory organs in animals

17.2 Respiratory system in humans

17.3 Mechanism of breathing and its regulation in humans

17.3.1 Exchange of gases

17.3.2 Transport of gases and regulation of respiration

17.3.3 Respiratory volume

17.4 Disorders related to respiration

17.4.1 Asthma

17.4.2 Emphysema

17.4.3 Occupational respiratory disorders.

Chapter-18: Body Fluids and Circulation

18.1 Composition of blood

18.1.1 Blood groups

18.1.2 Coagulation of blood

18.2 Composition of lymph and its function

18.3.Human circulatory system

18.3.1 Structure of the human heart and blood vessels

18.3.2 Cardiac cycle

18.3.3 Cardiac output

18.3.4 ECG

18.4 Double circulation

18.5 Regulation of cardiac activity

18.6 Disorders of the circulatory system

18.6.1 Hypertension

18.6.2 Coronary artery disease

18.6.3 Angina pectoris

18.6.4 Heart failure

Chapter-19: Excretory Products and their Elimination

19.1 Modes of excretion

19.1.1 Ammonotelism

19.1.2 Ureotelism

19.1.3 Uricotelism

19.2 Human excretory system -Structure and function

19.2.1 Urine formation and Osmoregulation

19.3 Regulation of kidney function

19.3.1 Renin-angiotensin

19.3.2 Atrial natriuretic factor

19.3.3 ADH

19.3.4 Diabetes insipidus

19.4 Role of other organs in excretion

19.5 Disorders of the excretory system

19.5.1 Uremia

19.5.2 Renal failure

19.5.3 Renal calculi

19.5.4 Nephritis

19.6 Dialysis and artificial kidney

19.6.1 Kidney transplant

Chapter-20: Locomotion and Movement

20.1 Types of movement

20.1.1 Ciliary

20.1.2 Flagellar

20.1.3 Muscular

20.2 Skeletal muscle

20.2.1 Contractile proteins and Muscle contraction

20.3 Skeletal system and its functions

20.4 Joints

20.5 Disorders of muscular and skeletal systems

20.5.1 Myasthenia gravis

20.5.2 Tetany

20.5.3 Muscular dystrophy

20.5.4 Arthritis

20.5.5 Osteoporosis

20.5.6 Gout

Chapter-21: Neural Control and Coordination

21.1 Neuron and nerves

21.2 Nervous system in humans

21.2.1 Central nervous system

21.2.2 Peripheral nervous system

21.2.3 Visceral nervous system

21.3 Generation and conduction of nerve impulse

21.4 Reflex action

21.5 Sensory perception

21.6 Sense organs

21.7 Elementary structure and functions of eye and ear

Chapter-22: Chemical Coordination and Integration

22.1 Endocrine glands and hormones

22.2 Human endocrine system

22.2.1 Hypothalamus

22.2.2 Pituitary

22.2.3 Pineal

22.2.4 Thyroid

22.2.5 Parathyroid

22.2.6 Adrenal

22.2.7 Pancreas

22.2.8 Gonads

22.3 Mechanism of hormone action

22.4 Role of hormones as messengers and regulators

22.5 Hypo and hyperactivity and related disorders

22.6 Dwarfism

22.6.1 Acromegaly

22.6.2 Cretinism

22.6.3 Goiter

22.6.4 Exophthalmic goitre

22.6.5 Diabetes

22.6.6 Addison’s disease.