WBCHSE Class 11 Biological Science Syllabus 2024-25: The WBCHSE Class 11 Biological Science Syllabus 2024-25 has been released by the West Bengal Council of Higher Secondary Education (WBCHSE).
The syllabus is structured semester-wise for Class 11, allowing students to focus on specific topics each semester. This semester-based approach ensures a more organized learning path and efficient exam preparation. Students preparing for their exams can download the WBCHSE Class 11 Biological Science syllabus from the link given below. The syllabus PDF includes detailed information on the chapters, evaluation schemes, and exam patterns for the academic year 2024-25.Also Read: WBCHSE Class 11 Maths Syllabus 2024-25
WBCHSE Class 11 Biological Science Syllabus 2024-25 Overview | |
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Exam Name | WBCHSE Class 11 Examinations 2024-25 |
Conducting Body | West Bengal Council of Higher Secondary Education (WBCHSE) |
Total Chapters in Semester 1 | 10 Chapters |
Total Chapters in Semester 2 | 10 Chapters |
Expected Exam Date (Semester 1) | 14th March 2025 - 27th March 2025 |
Expected Exam Date (Semester 2) | To be announced |
Official Website for Syllabus PDF | wbchse.nic.in |
WBCHSE Class 11 Biological Science Syllabus 2024-25 For Semester 1 | |||
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UNIT No. | TOPICS | CONTACT HOURS | MARKS |
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; binomial nomenclature; tools for study of biodiversity | 2 | 19 |
Chapter-2: Biological Classification | Five Kingdoms of Classification; salient features and classification of Monera, Protista, and Fungi; classification of Lichens, Viruses, Viroids, and Prions. | 5 | |
Chapter-3: Plant Kingdom | Classification of Plants into major groups; Salient and distinguishing features; Algae, Bryophyta, Pteridophyta, Gymnosperms | 5 | |
Chapter-4: Animal Kingdom | Salient features and classification of animals, non-chordates up to phyla level, and chordates up to class level. | 7 | |
UNIT II (STRUCTURAL ORGANIZATIONS IN PLANTS AND ANIMALS) | 16 | ||
Chapter-5: Morphology of Flowering Plants | Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit, seed; description of families | 8 | |
Chapter-6: Anatomy of Flowering Plants | Plant tissue systems including mechanical tissue systems; anatomy of monocots and dicots. | 4 | |
Chapter-7: Structural Organization in Animals | Animal tissue systems: epithelial, connective, muscular, and nervous systems; structure, organization, and function. | 4 | |
UNIT III (CELL STRUCTURE AND FUNCTIONS) | 20 | ||
Chapter-8: Cell - The Unit of Life | Cell theory; structure of prokaryotic and eukaryotic cells; organelles – structure and function (including mitochondria, ribosomes, etc.) | 7 | |
Chapter-9: Biomolecules | Chemical constituents of living cells: biomolecules; structure and function of proteins, carbohydrates, lipids, nucleic acids; Enzyme types and properties | 9 | |
Chapter-10: Cell Cycle and Cell Division | Cell cycle, mitosis, meiosis, and their significance. | 4 |
WBCHSE Class 12 Chemistry Syllabus 2025
WBCHSE Class 11 Biological Science Syllabus 2024-25 For Semester 2 | |||
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Chapter Name | Details | Contact Hours | Marks |
Chapter-11: Photosynthesis in Higher Plants | Photosynthesis as a means of autotrophic nutrition; site of photosynthesis; pigments involved in photosynthesis; photochemical & biosynthetic phases of photosynthesis; cyclic and non-cyclic photophosphorylation; C3, C4 pathways, CAM cycle, etc. | 14 | |
Chapter-12: Respiration in Plants | Exchange of gases; cellular respiration — glycolysis, fermentation (anaerobic), TCA cycle, electron transport system (aerobic); energy relations, respiratory quotient. | 14 | |
Chapter-13: Plant Growth and Development | Seed germination; conditions of growth; differentiation, dedifferentiation, redifferentiation; plant growth regulators (auxin, gibberellin, cytokinin, ethylene, ABA); photoperiodism. | 6 | 34 |
Chapter-14: Digestion and Absorption | Human alimentary canal; digestive enzymes; digestion, absorption of carbohydrates, proteins, fats; disorders related to digestion (PEM, indigestion, vomiting, jaundice, etc.). | 9 | |
Chapter-15: Breathing and Exchange of Gases | Respiratory system in humans; exchange of gases; regulation of respiration; respiratory volume; disorders related to breathing — asthma, emphysema. | 9 | |
Chapter-16: Body Fluids and Circulation | Composition of blood; human circulatory system; cardiac cycle, ECG; lymph; disorders — hypertension, coronary artery disease, angina pectoris, heart failure. | 9 | |
Chapter-17: Excretory Products and their Elimination | Human excretory system; structure and function; urine formation; osmoregulation; disorders — uremia, kidney failure, dialysis. | 9 | |
Chapter-18: Locomotion and Movement | Types of movement — ciliary, flagellar, muscular; human skeletal system; disorders — arthritis, osteoporosis. | 8 | |
Chapter-19: Neural Control and Coordination | Human nervous system; brain and spinal cord, PNS, reflex action; sense organs; disorders — Parkinson’s, Alzheimer’s. | 12 | |
Chapter-20: Chemical Coordination and Integration | Endocrine glands and hormones; human endocrine system — hypothalamus, pituitary, thyroid, adrenal, pancreas, gonads; disorders — dwarfism, diabetes, goitre, etc. | 9 |
WBCHSE Class 11 Biological Science Syllabus 2024-25 PDF Download Link
WBCHSE Class 11 Biological Science Evaluation Scheme | |
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Evaluation Scheme | Marks |
One major experiment Part A (experiment no. 1, 3, 7) | 6 |
One minor experiment Part A (experiment no. 6, 8, 9, 10, 11) | 5 |
Slide preparation Part A (experiment no. 2, 4, 5) (anyone) | 3 |
Spotting Part B (three experiments) | 6 (2x3) |
Practical record + Viva voce | 5 (3+2) |
Investigatory project + Viva voce | 5 (3+2) |
Total | 30 |
Practical Classes : SEM-I = 14, SEM-II = 22 (24 Hours Total) |