West Bengal Board Class 11 Biological Science Syllabus 2024-25: Download The PDF For Free!

UNIT No.

TOPICS

MARKS

UNIT I

Chapter 1: The Living World

Biodiversity; Need for classification; Three domains of life; Taxonomy and Systematics; Concept of species; and taxonomical hierarchy; Binomial nomenclature; Tools for study of Biodiversity; Museums; Zoological and Botanical Gardens; Herbaria (Definition: The world’s largest herbarium, the name of the herbarium in Bengal, Importance of herbarium)

(DIVERSITY

OF LIVING

ORGANISM)

Chapter 2: Biological Classification

Five Kingdoms of Classification; Salient features and classification

of Monera; Protista and Fungi into major groups; Lichens, Viruses, Viroids and Prions.

19

Chapter-3: Plant Kingdom

Classification of Plants into major Groups, Salient and

distinguishing features and a few examples of Algae, Bryophyta, Pteridophyta, and Gymnosperm.

Chapter 4: Animal Kingdom

Salient features and classification of animals, non-chordates up to phyla level and chordates up to class level.

UNIT II

Chapter 5: Morphology of Flowering Plants

Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit, and seed. Description of families: Malvaceae, Solanaceae, Brassicaceae, Compositae, Leguminosae (Dicots), Poaceae, Liliaceae (Monocots)

STRUCTURAL

ORGANIZATIONS

IN PLANTS AND ANIMALS)

Chapter 6: Anatomy of Flowering Plants

Plant tissue systems include Mechanical tissue systems, anatomy and functions of tissue systems in dicots and monocots.

16

Chapter 7: Structural Organization in Animals

Animal Tissue Systems: epithelial, connective, muscular and nervous systems (structure, organization and function); morphology, anatomy and functions of different systems; digestive, circulatory, respiratory, nervous, and reproductive systems of frogs.

UNIT No.

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MARKS

UNIT III

(CELL STRUCTURE AND FUNCTIONS)

 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; endo-membrane system, nucleus, endoplasmic reticulum, Golgi bodies, lysosomes, vacuoles, mitochondria, ribosomes, plastids, microbodies, cytoskeleton, cilia, flagella, centrioles (ultra-structure and function).

20

Chapter-9: Biomolecules

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

Chapter 10: Cell Cycle and Cell Division Cell cycle; mitosis; meiosis; and their significance.

UNIT No.

TOPICS

MARKS

UNIT IV

Chapter-11: Photosynthesis in Higher Plants

Photosynthesis as a means of autotrophic nutrition; site of photosynthesis, pigments involved in photosynthesis (structure of chlorophyll; empirical formula of chlorophyll a, b, c, d, e, bacteriochlorophyll, carotene and xanthophyll); photochemical and biosynthetic phases of photosynthesis; cyclic and non-cyclic photophosphorylation; chemiosmotic hypothesis, photorespiration, C3 and C4 pathways, CAM Cycle (schematic pathway Only), factors affecting photosynthesis

(PLANT

PHYSIOLOGY)

Chapter 12: 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.

34

Chapter 13: 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, Photoperiodism — Definition and different types.

UNIT No.

TOPICS

MARKS

UNIT V (HUMAN PHYSIOLOGY)

Chapter 14: Digestion and Absorption

Introduction; Structure of human alimentary canal (drawing, labelling and function of different parts including dental arrangement and digestive glands); Role of digestive enzymes and the GI hormone in digestion; Peristalsis; Digestion, absorption and assimilation of protein, carbohydrate and fat; egestion; Nutritional and digestive disorders — PEM (protein energy malnutrition) indigestion, constipation, vomiting, jaundice, diarrhoea.

Chapter 15: Breathing and Exchange of Gases

Respiratory organs in animals (name 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 16: 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 17: Excretory Products and their Elimination

Modes of excretion — ammonotelism, ureotelism, uricotelism; human excretory system – structure and function; urine formation, osmoregulation; counter-current mechanism; regulation of kidney function — renin-angiotensin system, 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.

63

Chapter 18: 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 19: Neural Control and Coordination

Mechanism of neural control and co-ordination; Neuron and nerves; The nervous system in humans - central nervous system; peripheral nervous system and visceral nervous system; Brain and its major parts- cerebral cortex, thalamus, hypothalamus and limbic system; mid-brain, pons, medulla, cerebellum and spinal cord (function only); Modes of distribution and function of P.N.S. and autonomic nervous system; Generation and conduction of nerve impulse; reflex action and reflex arc; Sense organs – Sensory perception, outline structure and function of the eye and ear; Disorders — Parkinson’s and Alzheimer’s diseases.

Chapter 20: Chemical Coordination and Integration

Endocrine glands and hormones; human endocrine system — hypothalamus, pituitary, pineal, thyroid, parathyroid, adrenal, pancreas, gonads; mechanism of hormone action (protein and steroid hormones); role of hormones as messengers and regulators, hypo- and hyperactivity and related disorders; dwarfism, acromegaly, cretinism, goitre,

exophthalmic goitre, diabetes, Addison's disease.