Biology as a subject, is an immensely important discipline leading a number of opportunities as a student progresses towards higher education. The subject in itself is vast, interesting, diverse encompassing topics from Botany, Zoology, Human biology and some of the preventive areas of health. This section gives a brief topic list that was frequently on question papers out of the past 5 years . However, student can use this as a reference only.
CBSE Class 11 Biology Exam Important Topics
Unit I Diversity of Living Organisms
Chapter1: The Living World
Need for classification (Biodiversity)
Three domains of life
Taxonomic categories , definition of terms like species, genus, class, phylum, kingdom etc
Concept of species and taxonomical hierarchy;
Tools for study of taxonomy museums,
Zoological parks, herbaria, botanical gardens.
Chapter 2: Biological Classification
Five kingdom classification
Kingdom Monera, salient features and classification of Monera
Features and classification of Kingdom Fungi, Kingdom Plantae, Kingdom including Animalia
Lichens, Viruses and Viroids
Chapter 3: Plant Kingdom
Differences between angiosperms and gymnosperms.
Life-cycle of an angiosperm
Salient features and classification of plants (Algae, Bryophyta, Pteridophyta,Gymnospermae and Angiospermae).
Chapter 4: Animal Kingdom
Basis of classification of animal kingdom
Levels of Organisation in animals.
Characteristic features of the different phyla in the animal kingdom ( table)
Salient features and classification of animals,
Explanation for Non-chordates up to phyla level and chordates up to class level.
Differences between intracellular and extracellular digestion.
Differences between, direct and indirect develop
Unit II Structural Organization in Animals and Plants
Chapter - 5: Morphology of Flowering Plants
Introduction to plant parts, morphology of different parts of flowering plants.
Structural and functional organisation of different parts of the body.
Structure and functions of root, types, regions and modification of roots.
Structure and functions of stem, types, regions and modification of stems.
Structure and functions of flower, male and female parts of flower, inflorescence.
Fruit and seeds, difference between monocots and dicots.
Chapter - 6: Anatomy of flowering Plants
Types of plat tissues and tissue systems
Monocot and dicot root, stem and seeds( differences)
Wood-secondary growAnatomy and functions of different tissues and tissue systems.
Chapter - 7: Structural Organisation in Animals
Systems in animals,
Organization of animal organs and systems
Different types of animal tissues; epithelium, connective, adipose, muscular, nervous
Morphology, anatomy and functions of different body systems such as digestive, circulatory, respiratory, nervous and reproductive systems of cockroach, worms, 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( differences)
Structural and functional difference between plant cell and animal cell
Cell wall and cell membrane(envelops)
Cell organelles - structure and function
Endomembrane system, Endoplasmic reticulum
Centrioles (ultrastructure and function)
Analyzing chemical composition of cells
Chemical constituents of living cells: biomolecules
Primary and secondary metabolites and state of metabolism
Structure and function of bio macromolecules: proteins, carbohydrates, lipids, and nucleic acids
Monomers and polymers, bonding or linking pattern.
Chapter- 19: Excretory Products and Their Elimination
Excretion and organs involved in human excretion
Excretory products in human body
Modes of excretion; Ammonotelism, Ureotelism and Uricotelism.
Human excretory system – structure and function
Urine formation, osmoregulation; regulation of kidney function - renin – angiotensin
Mechanism of concentration of the filtrate.
Atrial natriuretic factor
ADH and diabetes insipidus
Role of other organs in excretion
Disorders of urinary system; Uraemia,renal failure, renal calculi, nephritis; dialysis and artificial kidney, kidney transplant.
Chapter 20: Locomotion and Movement
Joints and types of movement: ciliary, flagellar, and muscular.
Skeletal muscles, classification and basic structure
Role of contractile proteins and muscle contraction
Skeletal system and its functions, bones.
Joint disorders of 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 and endocrinal hormones; secretions from hypothalamus, pituitary, pineal body, 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, gaiter, exophthalmic goiter, diabetes, Addison's disease
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