CBSE Class 11 Biology Syllabus 2023-24
CBSE has released the Latest Updated Syllabus for the New Academic Session 2023-24 on March 31st, 2023, for class 11.
CBSE Board has released the latest Class 11 Biology syllabus which is to be strictly followed. Below please find our detailed analysis of Board Paper pattern, Unit-wise summary for the New Session 2023-24.
We have also updated Oswal Gurukul Books as per the Latest Paper Pattern prescribed by Board for each Subject Curriculum.
Students can directly access the CBSE Biology Syllabus for Class 11 of the academic year 2023-24 by clicking on the link below.
PDF download links to the latest Class 11 Biology Syllabus for 2023-24 academic session
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- ▪ CBSE Class 11 Biology Syllabus 2023-24
- ▪ CBSE Class 11 Biology Latest Syllabus 2023-24
- ▪ CBSE Class 11 Biology Syllabus 2023-24: Unit-wise Summary
- ▪ Evaluation Scheme for Examination
- ▪ CBSE Class 11 Biology Question Paper Design 2023-24
- ▪ The Changes for Class 11 (2023-24) Year-end Board Examinations are as under:
- ▪ 2022-23 Reduced Syllabus
CBSE Class 11 Biology Latest Syllabus 2023-24
| Units | Title | Marks | |
| I | Diversity of Living Organisms | 15 | |
| II | Structural Organization in Plants and Animals | 10 | |
| III | Cell: Structure and Function | 15 | |
| IV | Plant Physiology | 12 | |
| V | Human Physiology | 18 | |
| Total | 70 | ||
CBSE Class 11 Biology Syllabus 2023-24: Unit-wise Summary
Unit-I Diversity of Living Organisms
Chapter-1: The Living World
Biodiversity; Need for classification; three domains of life; taxonomy and systematics; concept of species and taxonomical hierarchy; binomial nomenclature
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
Classification of plants into major groups; Salient and distinguishing features and a few examples of Algae, Bryophyta, Pteridophyta, Gymnospermae (Topics excluded – Angiosperms, Plant Life Cycle and Alternation of Generations)
Chapter-4: Animal Kingdom
Salient features and classification of animals, non-chordates up to phyla level and chordates up to class level (salient features and at a few examples of each category).
(No live animals or specimen should be displayed.)
Unit-II Structural Organization in Plant s and Animals
Chapter-5: Morphology of Flowering Plants
Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and seed. Description of family Solanaceae
Chapter-6: Anatomy of Flowering Plants
Anatomy and functions of tissue systems in dicots and monocots.
Chapter-7: Structural Organisation in Animals
Morphology, Anatomy and functions of different systems (digestive, circulatory,respiratory, nervous and reproductive) of frog.
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.
Chapter-9: Biomolecules
Chemical constituents of living cells: biomolecules, structure and function of proteins, carbohydrates, lipids, and nucleic acids; Enzyme - types, properties, enzyme action. (Topics excluded: Nature of Bond Linking Monomers in a Polymer, Dynamic State of Body Constituents
– Concept of Metabolism, Metabolic Basis of Living, The Living State)
Chapter-10: Cell Cycle and Cell Division
Cell cycle, mitosis, meiosis and their significance
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.
Chapter-9: Biomolecules
Chemical constituents of living cells: biomolecules, structure and function of proteins, carbohydrates, lipids, and nucleic acids; Enzyme - types, properties, enzyme action. (Topics excluded: Nature of Bond Linking Monomers in a Polymer, Dynamic State of Body Constituents
– Concept of Metabolism, Metabolic Basis of 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; site 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.
Chapter-14: Respiration in Plants
Exchange of gases; cellular respiration - glycolysis, fermentation (anaerobic), TCA cycle and electron transport system (aerobic); energy relations - 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; plant growth regulators - auxin, gibberellin, cytokinin, ethylene, ABA.
Unit-V Human Physiology
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 - uremia, renal failure, renal calculi, nephritis; dialysis and artificial kidney, kidney transplant.
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 muscular and skeletal systems - 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
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 goitre, diabetes, Addison's disease.
Note: Diseases related to all the human physiological systems to be taught in brief.
Evaluation Scheme for Examination
| Evaluation Scheme | Marks |
| One Major Experiment Part A (Experiment No- 1,3,7,8) | 5 Marks |
| One Minor Experiment Part A (Experiment No- 6,9,10,11,12,13) | 4 Marks |
| Slide Preparation Part A (Experiment No- 2,4,5) | 5 Marks |
| Spotting Part B | 7 Marks |
| Practical Record + Viva Voce (Credit to the student’s work over | 4 Marks |
| Project Record + Viva Voce the academic session may be given) | 5 Marks |
| Total | 30 Marks |
CBSE Class 11 Biology Question Paper Design 2023-24
| Competencies | |
| Demonstrate Knowledge and Understanding | 50% |
| Application of Knowledge / Concepts | 30% |
| Analyse, Evaluate and Create | 20% |
Note:
- Typology of questions: VSA including MCQs, Assertion – Reasoning type questions; SA; LA- I; LA-II; Source-based/ Case-based/ Passage-based/ Integrated assessment questions.
- An internal choice of approximately 33% would be provided.
Suggestive verbs for various competencies
- Demonstrate, Knowledge and Understanding
State, name, list, identify, define, suggest, describe, outline, summarize, etc. - Application of Knowledge/Concepts
Calculate, illustrate, show, adapt, explain, distinguish, etc. - Analyze, Evaluate and Create
Interpret, analyse, compare, contrast, examine, evaluate, discuss, construct, etc.
The Changes for Class 11 (2023-24) Year-end Board Examinations are as under:
| (Class-11) | ||
| Particulars | Academic Session 2022-23 | Academic Session 2023-24 |
| Composition of question paperyear-end examination/ Board Examination (Theory) |
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2022-23 Reduced Syllabus
(for reference purposes only)
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