CBSE Revision Notes for class 11 Biology
CBSE Revision Notes for class 11 BiologyWe think the first step is motivating yourself to revise. What are you trying to achieve here? What’s your ultimate goal? Make a schedule for your revision and be realistic about it. Figure out how much time you can spend on a task each day. The important part of exam preparation and the key to success, as the more you revise these notes. These revision notes are prepared by our finest and experienced teachers. You can download class 11 Biology Revision Notes in PDF format. These Revision Notes are also available in the myCBSEguide website and mobile app for free.
Download CBSE Revision Notes for CBSE Class 11 Biology The Living World What is living? Biodiversity; Need for classification; three domains of life; taxonomy and systematics; concept of species and taxonomical hierarchy; binomial nomenclature; tools for study of taxonomy-museums, zoological parks, herbaria, botanical gardens.
Download CBSE Revision Notes for CBSE Class 11 Biology Biological Classification Five kingdom classification; Salient features and classification of Monera, Protista and Fungi into major groups: Lichens, Viruses and Viroids.
Download CBSE Revision Notes for CBSE Class 11 Biology Plant Kingdom Salient features and classification of plants into major groups - Algae, Bryophyta, Pteridophyta, Gymnospermae and Angiospermae (three to five salient and distinguishing features and at least two examples of each category); Angiosperms - classification upto class, characteristic features and examples.
Download CBSE Revision Notes for CBSE Class 11 Biology Animal Kingdom Salient features and classification of animals non-chordates up to phyla level and chordates up to class level (three to five salient features and at least two examples of each category). (No live animals or specimen should be displayed.)
Download CBSE Revision Notes for CBSE Class 11 Biology Morphology of Flowering Plants Morphology and modifications: Tissues. Morphology is the branch of biological science that deals with the study of form, size, colour, structure and relative position of various parts of organisms.
Download CBSE Revision Notes for CBSE Class 11 Biology Anatomy of Flowering Plants Anatomy and functions of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and seed (to be dealt along with the relevant experiment of the Practical Syllabus).
Download CBSE Revision Notes for CBSE Class 11 Biology Structural Organisation in Animals Animal tissues: Morphology, anatomy and functions of different systems (digestive, circulatory, respiratory, nervous and reproductive) of an insect (cockroach). (a brief account only)
Download CBSE Revision Notes for CBSE Class 11 Biology 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, nuclear membrane, chromatin, nucleolus.
Download CBSE Revision Notes for CBSE Class 11 Biology Biomolecules Chemical constituents of living cells: biomolecules, structure and function of proteins, carbohydrates, lipids, nucleic acids, enzymes, types, properties, enzyme action.
Download CBSE Revision Notes for CBSE Class 11 Biology Cell Cycle and Cell Division Cell cycle, mitosis, meiosis and their significance. The sequence of events by which a cell duplicates its genome, synthesizes the other constituents of cells and eventually divides into two daughter cells is called cell cycle.
Download CBSE Revision Notes for CBSE Class 11 Biology Photosynthesis in Higher Plants Photosynthesis as a mean 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.
Download CBSE Revision Notes for CBSE Class 11 Biology 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.
Download CBSE Revision Notes for CBSE Class 11 Biology 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; growth regulators - auxin, gibberellin, cytokinin, ethylene, ABA; seed dormancy; vernalisation; photoperiodism.
Download CBSE Revision Notes for CBSE Class 11 Biology 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.
Download CBSE Revision Notes for CBSE Class 11 Biology 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.
Download CBSE Revision Notes for CBSE Class 11 Biology 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 - uraemia, renal failure, renal calculi, nephritis; dialysis and artificial kidney.
Download CBSE Revision Notes for CBSE Class 11 Biology 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 system - myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout.
Download CBSE Revision Notes for CBSE Class 11 Biology 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.
Download CBSE Revision Notes for CBSE Class 11 Biology 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 goiter, diabetes, Addison's disease.
CBSE Class-11 Revision Notes and Key Points
CBSE class-11 Key points and summary of the lessons are given under this section for Chem, Phy, Maths, Bio, Acc, Business study, Eco and other subjects. The notes include all concepts given in NCERT books and syllabus issued by CBSE for class-11. Keynotes are 'to the point' capsules for quick revision of the chapter. We have covered the whole syllabus in these notes.
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