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Download theory and practical syllabus in PDF

Download theory and practical syllabus in PDF

The Central Board of Secondary Education (CBSE) has completed the semester exams for grades 9-12. This means that students will be required to sit for the annual exam at the end of the academic year. The board issued the syllabus only in accordance with the annual assessment scheme. We have given below CBSE Class 11 Biology Syllabus 2022-2023. Students with biology must follow this latest syllabus while studying the subject. They should carefully note the unit weighting and the prescribed content to prepare for the CBSE Class 11 Biology Annual Exam 2022-2023. They should also complete their practical tasks according to the details mentioned in the new biology curriculum.

Check CBSE class 11 Biology (Code no.044) Course structure 2022-23 under:

Ttheory paper

Time: 03 hours Max. Grade: 70





Diversity of living organisms



Structural organization in plants and animals



Cell: Structure and function



Plant physiology



Human physiology




Also Check CBSE class 11 syllabus for all courses for the session 2022-2023 (PDF)

Unity- In diversity of living organisms

Chapter 1: The Living World

Biodiversity; Need for classification; three life domains; taxonomy and systematics; species concepts and taxonomic hierarchy; binomial nomenclature

Chapter-2: Biological classification

Five rich classification; Prominent features and classification of Monera, Protista and Fungi in main groups; Lichen, viruses and viroids.

Chapter 3: The Plant Kingdom

Classification of plants into main groups; Prominent and characteristic features and a few examples of algae, Bryophyta, Pteridophyta, Gymnospermae (excluded topics – Angiosperms, plant life cycle and generational change)

Chapter 4: The Kingdom of Animals

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Prominent features and classification of animals, non-chords up to fill level and chords up to class level (prominent features and by a few examples of each category). (No live animals or specimens should be displayed.)

Unit-II structural organization in animals and plants

Chapter 5: Morphology of flowering plants

Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and seeds. Description of the family Solanaceae

Chapter 6: Anatomy of flowering plants

Anatomy and functions of tissue systems in dicotyledons and monocotyledons.

Chapter 7: Structural organization in animals

Morphology, anatomy and functions of different systems (digestive, circulatory, respiratory, nerve and reproductive) of frog.

Unit-III Cell: Structure and function

Chapter-8: The Unity of Cell Life

Cell theory and cell as the basic unit of life, structure of prokaryotic and eukaryotic cells; Plant cell and animal cell; cell envelope; cell membrane, cell wall; cell organelles – structure and function; endomembrane system, endoplasmic reticulum, Golgi bodies, lysosomes, vacuoles, mitochondria, ribosomes, plastids, microlegs; cytoskeleton, cilia, flagella, centrioles (ultrastructure and function); the cell nucleus.

Chapter 9: Biomolecules

Chemical constituents of living cells: biomolecules, structure and function of proteins, carbohydrates, lipids, nucleic acids; Enzyme – types, properties, enzyme effect. (Topics excluded: The nature of binding that binds monomers in a polymer, dynamic state of body components – the concept of metabolism, metabolic basis for living, the living state)

Chapter-10: Cell cycle and cell division

Cell cycle, mitosis, meiosis and their significance

Unit-IV Plant Physiology

Chapter 13: Photosynthesis in higher plants

Photosynthesis as a means of autotrophic nutrition; instead of photosynthesis, pigments involved in photosynthesis (elementary idea); photochemical and biosynthetic phases of photosynthesis; cyclic and non-cyclic photophosphorylation; chemiosmotic hypothesis; photorespiration; C3 and C4 pathways; factors affecting photosynthesis.

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Chapter 14: Respiration in Plants

Gas exchange; cellular respiration – glycolysis, fermentation (anaerobic), TCA cycle and electron transport system (aerobic); energy relations – number of ATP molecules generated; amphibole veins; respiratory rate.

Chapter 15: Plant – Growth and Development

Seed germination; phases of plant growth and plant growth rate; growth conditions; differentiation, dedifferentiation and redifferentiation; sequence of developmental processes in a plant cell; growth regulators – auxin, gibberellin, cytokinin, ethylene, ABA;

Unit-V Human Physiology

Chapter 17: Breathing and gas exchange

Respiratory system in animals (recall only); Human respiratory tract; respiratory mechanism and its regulation in humans – gas exchange, gas transport and respiration regulation, respiration volume; disorders related to respiration – asthma, emphysema, occupational respiratory disorders.

Chapter 18: Body Fluids and Circulation

Composition of blood, blood groups, coagulation of blood; composition of lymph and its function; human circulatory system – Structure of human heart and blood vessels; cardiac cycle, cardiac output, ECG; double circulation; regulation of cardiac activity; circulatory disorders – hypertension, coronary heart disease, angina pectoris, heart failure.

Chapter 19: Excretion products and their elimination

Excretion modes – ammonotelism, ureotelism, uricotelism; human excretory system – structure and function; urine formation, osmoregulation; regulation of renal function – renin – angiotensin, atrial natriuretic factor, ADH and diabetes insipidus; the role of other organs in excretion; disorders – uremia, kidney failure, kidney stones, nephritis; dialysis and artificial kidney, kidney transplantation.

Chapter-20: Movement and Movement

Types of movement – ciliary, flagellar, muscular; skeletal muscle, contractile proteins and muscle contraction; the skeletal system and its functions; joint; disorders of musculoskeletal systems – myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout.

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Chapter 21: Neural control and coordination

Neurons and nerves; The nervous system in humans – the central nervous system; peripheral nervous system and visceral nervous system; generation and conduction of nerve impulses

Chapter-22: Chemical coordination and integration

Endocrine glands and hormones; human endocrine system – hypothalamus, pituitary gland, pineal gland, thyroid gland, parathyroid gland, adrenal gland, pancreas, gonads; mechanism of hormonal action (elementary idea); the role of hormones as messengers and regulators, hypo- and hyperactivity and related disorders; dwarfism, acromegaly, cretinism, goiter, exophthalmic goiter, diabetes, Addison’s disease. Note: Diseases related to all human physiological systems to be taught briefly.

Download the practical syllabus from the following link to know practical evaluation system and list of experiments for Session 2022-23:

Prescribed books:

1. Biology Class-XI, published by NCERT

2. Other related books and manuals published by NCERT (also consider multimedia)

Note: The content specified in NCERT textbooks as excluded for the year 2022-23 will not be tested by schools and will not be considered in the board exams 2022-23.

Students can also download the whole CBSE Class 11th Biologi SYllabus in PDF from the following link:

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