UPDATED CBSE Class 11 Biology Syllabus: 2019-20

    CBSE Class 11 Biology Syllabus
    CBSE Class 11 Biology Syllabus

    Hi Students, today we are going to discuss the latest Syllabus of Class 11 Biology Syllabus. As you know very well that Central Board of Secondary Education (CBSE) has its own curriculum and they hold the supreme authority to change it further for the benefit of students. In this article, you can get complete information related CBSE Class 11 Biology Syllabus and Class 11 Biology Exam Pattern for the academic year 2019-20. Students can also download the Class 11 Biology Syllabus in pdf for the academic year 2019-20.

    So it’s always a wise decision to keep an eye on what happening around with the subject you are going to learn. This year CBSE made little bit changes in class 11 Biology syllabus. Let us have a look at the updated CBSE class 11 Biology Syllabus for the academic year 2019-20

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    CBSE Class 11 Biology Syllabus

    Check out the latest CBSE Biology Syllabus for Class 11. The syllabus is for the academic year 2019-20 session and will remain the same until the next notification. students are advised to check out the complete syllabus.

    Unit Title No. of Periods Marks
    I Diversity of Living Organisms 23 10
    II Structural Organisation in Plants and Animals 23 12
    III Cell: Structure and Function 34 14
    IV Plant Physiology 40 17
    V Human Physiology 40 17
    Total 160 70

    Class 11 Biology Syllabus in Brief

    Below we have mentioned the CBSE Class 11 Biology Syllabus in briefly describe to know the complete information regarding Biology Syllabus For 11 Class Students. Students are advised to check the Complete Biology for 11 Class.

    Unit-I Diversity of Living Organisms

    Chapter-1: The Living World

    What is living? Biodiversity; Need for classification; three domains of life; taxonomy and systematics; the concept of species and taxonomical hierarchy; binomial nomenclature; tools for the study of taxonomy-museums, zoological parks, herbaria, botanical gardens.

    Chapter-2: Biological Classification

    Five kingdom classification; Salient features and classification of Monera, Protista, and Fungi into major groups: Lichens, Viruses, and Viroids.

    Chapter-3: Plant Kingdom

    Salient features and classification of plants into major groups-Algae, Bryophyta, Pteridophyta, Gymnospermae and Angiospermae (three to five salient and distinguishing features and at least two examples of each category); Angiosperms – classification up to class, characteristic features and examples.

    Chapter-4: Animal Kingdom

    Salient features and classification of animals non-chordates up to phyla level and chordates up to class level (three to five salient features and at least two examples of each category). (No live animals or specimen should be displayed.)

    Unit-II Structural Organisation in Animals and Plants

    Chapter-5: Morphology of Flowering Plants Morphology and modifications: Tissues
    Chapter-6: Anatomy of Flowering Plants

    Anatomy and functions of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and seed (to be dealt along with the relevant experiment of the Practical Syllabus).

    Chapter-7: Structural Organisation in Animals

    Animal tissues: Morphology, anatomy, and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of an insect (cockroach). (a brief account only)

    Unit-III Cell: Structure and Function

    Chapter-8: Cell-The Unit of 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, microbodies; cytoskeleton, cilia, flagella, centrioles (ultrastructure and function); nucleus, nuclear membrane, chromatin, nucleolus.

    Chapter-9: Biomolecules

    Chemical constituents of living cells: biomolecules, structure, and function of proteins, carbohydrates, lipids, nucleic acids, enzymes, types, properties, enzyme action.

    Chapter-10: Cell Cycle and Cell Division

    Cell cycle, mitosis, meiosis and their significance.

    Unit-IV Plant Physiology

    Chapter-11: Transport in Plants

    Movement of water, gases, and nutrients; cell to cell transport, Diffusion, facilitated diffusion, active transport; plant-water relations, Imbibition, water potential, osmosis, plasmolysis; long-distance transport of water – Absorption, apoplast, symplast, transpiration pull, root pressure and guttation; transpiration, opening and closing of stomata; Uptake and translocation of mineral nutrients-Transport of food, phloem transport, mass flow hypothesis; diffusion of gases.

    Chapter-12: Mineral Nutrition

    Essential minerals, macro- and micronutrients and their role; deficiency symptoms; Mineral toxicity; elementary idea of hydroponics as a method to study mineral nutrition; nitrogen metabolism, nitrogen cycle, biological nitrogen fixation.

    Chapter-13: Photosynthesis in Higher Plants

    Photosynthesis as a mean of autotrophic nutrition; site of photosynthesis, pigments involved in photosynthesis (elementary idea); Photochemical and biosynthetic phases of photosynthesis; cyclic and noncyclic photophosphorylation; chemiosmotic hypothesis; photorespiration; C3 and C4 pathways; factors affecting photosynthesis.

    Chapter-14: Respiration in Plants

    Exchange of gases; cellular respiration – glycolysis, fermentation (anaerobic), TCA cycle and electron transport system (aerobic); energy relations – the number of ATP molecules generated; Amphibolic pathways; respiratory quotient.

    Chapter-15: Plant – Growth and Development

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

    Unit-V Human Physiology

    Chapter-16: Digestion and Absorption

    Alimentary canal and digestive glands, the role of digestive enzymes and gastrointestinal hormones; Peristalsis, digestion, absorption and assimilation of proteins, carbohydrates and fats; calorific values of proteins, carbohydrates, and fats; egestion; nutritional and digestive disorders – PEM, indigestion, constipation, vomiting, jaundice, diarrhoea.

    Chapter-17: Breathing and Exchange of Gases

    Respiratory organs in animals (recall only); Respiratory system in humans; Mechanism of breathing and its regulation in humans – exchange of gases, transport of gases and regulation of respiration, respiratory 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; disorders of circulatory system – hypertension, coronary artery disease, angina pectoris, heart failure.

    Chapter-19: Excretory Products and Their Elimination

    Modes of excretion – ammonotelism, ureotelism, uricotelism; human excretory system – structure and function; urine formation, osmoregulation; regulation of kidney function – renin-angiotensin, atrial natriuretic factor, ADH and diabetes insipidus; role of other organs in excretion; disorders – uraemia, renal failure, renal calculi, nephritis; dialysis and artificial kidney.

    Chapter-20: Locomotion and Movement

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

    Chapter-21: Neural Control and Coordination

    Neuron and nerves; Nervous system in humans – central nervous system; peripheral nervous system and visceral nervous system; generation and conduction of nerve impulse; reflex action; sensory perception; sense organs; elementary structure and functions of eye and ear.

    Chapter-22: Chemical Coordination and Integration

    Endocrine glands and hormones; human endocrine system – hypothalamus, pituitary, pineal, thyroid, parathyroid, adrenal, pancreas, gonads; mechanism of hormone action (elementary idea); 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 the human physiological systems to be taught in brief.


    Evaluation Scheme
    One Major Experiment Part A (Expt No. 1, 3, 7, 8) 5 Marks
    One Minor Experiment Part A (Expt No. 6, 9, 10, 11, 12, 13) 4 Marks
    Slide Preparation Part A (Expt No. 2, 4, 5) 5 Marks
    Spotting Part B 7 Marks
    Practical Record + Viva Voce 4 Marks
    Project Record + Viva Voce 5 Marks
    Total 30 Marks

    Class 11 Biology Syllabus in Pdf

    Here in this Section we have mentioned the CBSE Class 11 Biology Syllabus in pdf Format. Students Can Check the Class 11 Biology Syllabus in pdf and Class 11 Biology Exam Pattern For the academic year 2019-20. Get free pdf for 2019-20 Biology syllabus.

    Important Links

    S.No. Contents Links
    1 CBSE Class 11 Study Materials Click Here
    2 CBSE Class 11 Important Books Click Here
    3 CBSE Class 11 Sample Paper Click Here
    4 CBSE Class 11 Syllabus Click Here
    5 CBSE Class 11 Previous Year Paper Click Here
    6 CBSE Class 11 Work Sheet Click Here
    7 CBSE Class 11 Holiday Homework Click Here
    8 CBSE Class 11 NCERT Solution Click Here

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