একাদশ শ্রেণি জীববিজ্ঞান
A rigorous, concept-focused mastery course covering cellular biology, biomolecules, cell division, plant physiology, and human organ systems for higher secondary students.
Registered students can apply for institutional batches, live tutoring, and chapter evaluations for Class XI Biology.
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In-Person Classroom Coaching + Structured Digital Study Notes
Bodhi Brikkha aligns with the modern semester system established by the West Bengal Council of Higher Secondary Education (WBCHSE). While full unit-to-semester distributions are structured from official notifications, foundational core modules are organized below.
Semester I of Class XI Biology. Core modules and examination competencies aligned with WBCHSE.
Semester II of Class XI Biology. Core modules and examination competencies aligned with WBCHSE.
Class XI Biology establishes the foundational principles of life sciences, from ultrastructural cell morphology to systemic organismal physiology. Our curriculum emphasizes structural-functional relationships, scientific diagramming, and biochemical metabolic pathways.
Foundational subject modules covering essential physical theorems, derivations, and problem-solving disciplines.
জীবজগৎ
What is living, biodiversity, need for classification, three domains of life, taxonomy and systematics, concept of species, taxonomic hierarchy, binomial nomenclature, tools for study of taxonomy.
জীববিদ্যার শ্রেণিবিন্যাস
Five kingdom classification of Whittaker, Kingdom Monera, Kingdom Protista, Kingdom Fungi, Kingdom Plantae, Kingdom Animalia, Viruses, Viroids, Prions, and Lichens.
উদ্ভিদ রাজ্য
Classification of plants: Algae, Bryophytes, Pteridophytes, Gymnosperms, Angiosperms; plant life cycles and alternation of generations.
প্রাণী রাজ্য
Basis of classification, non-chordate phyla (Porifera to Hemichordata), phylum Chordata, classes of vertebrates (Cyclostomata to Mammalia).
সপুষ্পক উদ্ভিদের অঙ্গসংস্থান
Morphology and modifications of root, stem, leaf; inflorescence, flower, fruit, seed, and descriptions of representative angiospermic families.
সপুষ্পক উদ্ভিদের অন্তর্গঠন বা শারীরস্থান
Anatomy and functions of tissues (meristematic and permanent), tissue systems, internal structure of root, stem, leaf of dicot and monocot; secondary growth.
প্রাণীদের গঠনগত সংস্থান ও কলাতন্ত্র
Animal tissues: Epithelial, Connective, Muscular, Neural; morphology, anatomy and histology of Cockroach (Periplaneta americana).
কোষ: জীবনের একক
Cell theory, prokaryotic cell envelope and organelles, eukaryotic cell membrane (fluid mosaic model), cell wall, endomembrane system, mitochondria, plastids, ribosomes, nucleus.
জৈব অণুসমূহ
Chemical constituents of living cells: Biomolecules, structure and function of proteins, carbohydrates, lipids, nucleic acids; enzymes, types, properties, enzyme action.
কোষ চক্র ও কোষ বিভাজন
Cell cycle, mitosis, meiosis and their significance.
উদ্ভিদে পরিবহন ও খনিজ পুষ্টি
Movement of water, gases and nutrients; cell-to-cell transport, plant-water relations, long distance transport of water; essential minerals, macro and micronutrients, deficiency symptoms, nitrogen metabolism.
উচ্চশ্রেণির উদ্ভিদে সালোকসংশ্লেষ
Photosynthesis as a means of autotrophic nutrition; site of photosynthesis; pigments; photochemical and biosynthetic phases; cyclic and non-cyclic photophosphorylation; chemiosmotic hypothesis; photorespiration; C3 and C4 pathways; factors affecting photosynthesis.
উদ্ভিদের শ্বসন
Cellular respiration: Glycolysis, fermentation (anaerobic), TCA cycle and electron transport system (aerobic); energy relations - number of ATP molecules generated; amphibolic pathways; respiratory quotient.
উদ্ভিদের বৃদ্ধি ও বিকাশ
Seed germination; phases of plant growth and plant growth rate; conditions of growth; differentiation, dedifferentiation and redifferentiation; sequence of developmental process in a plant cell; growth regulators - auxin, gibberellin, cytokinin, ethylene, ABA; seed dormancy; vernalisation; photoperiodism.
পরিপাক ও শোষণ
Alimentary canal and digestive glands; role of digestive enzymes and gastrointestinal hormones; peristalsis, digestion, absorption and assimilation of proteins, carbohydrates and fats; calorific value of proteins, carbohydrates and fats; nutritional and digestive disorders - PEM, indigestion, constipation, vomiting, jaundice, diarrhea.
শ্বাসকার্য ও গ্যাসীয় বিনিময়
Respiratory organs in animals; Respiratory system in humans; Mechanism of breathing and its regulation in humans - Exchange of gases, transport of gases and regulation of respiration, Respiratory volumes; Disorders related to respiration - Asthma, Emphysema, Occupational respiratory disorders.
দেহের তরল ও সংবহন
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.
রেচন পদার্থ ও তাদের নিষ্কাশন
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.
চলন ও গমন
Types of movement - ciliary, flagellar, muscular; Skeletal muscle - contractile proteins and muscle contraction; Skeletal system and its functions; Joints; Disorders of muscular and skeletal system - Myasthenia gravis, Tetany, Muscular dystrophy, Arthritis, Osteoporosis, Gout.
স্নায়বিক নিয়ন্ত্রণ ও সমন্বয়সাধন
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 function of eye and ear.
রাসায়নিক সমন্বয় ও সমন্বয়সাধন
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 (Common disorders e.g. Dwarfism, Acromegaly, Cretinism, Goiter, Exophthalmic goiter, Diabetes, Addison's disease).
High-density formula sheets, derivation guides, and practice sets available for this course.
Continuous evaluation designed to isolate conceptual gaps, algebraic pacing flaws, and notation weaknesses under simulated examination standards.
Review the detailed chapter syllabus, practice problems, and formula sheets for Class XI Biology. Admissions inquiry is processed directly via faculty interaction.