CBSE Class 11 Biology Syllabus 2018-19 Units, Chapters & Topics

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CBSE Class 11 Biology Syllabus 2018-2019, Chapters, Topics and other details has been given in this article. If you are searching for CBSE Class 11 Syllabus of Biology subject for the academic year 2018-19, then you’ve landed in right place. Download CBSE Biology Class XI Syllabus 2018-19 pdf. Given CBSE Syllabus of Biology subject is officially released by the Central Board of Secondary Education (CBSE) for the year 2018 and 2019. Below you can find latest updates regarding CBSE Biology Class 11 Syllabus, Chapters, Topics and unit Weightage.

Download CBSE Class 11 Biology Syllabus 2018

  • Plant Physiology
  • Cell- Structure & Function
  • Structural Organization in Plants and Animals
  • Diversity of Living Organisms
  • Human Physiology
Click Here Download the Class 11 Biology Syllabus PDF

CBSE Class 11 Biology Syllabus Mark Weightage

These are the Following subjects are having the CBSE(Central Board Of Secondary Education) Class 11 Biology  Syllabus.

Unit Title Marks
I Diversity of Living Organisms 07
II Structural Organisation in Plants and Animals 12
III Cell: Structure and Function 15
IV Plant Physiology 18
V Human Physiology 18
Total 70

Time of examination is 3 hours and marks are 70

Units & No. of Periods of CBSE Class 11 Biology Subject

  • Unit I : Plant Physiology – 23 Periods 
  • Unit II : Cell- Structure & Function – 22 Periods 
  • Unit III : Structural Organization in Plants and Animals – 35 Periods 
  • Unit IV : Diversity of Living Organisms – 40 Periods 
  • Unit V : Human Physiology – 40 Periods 

Chapters & Topics in CBSE Class 11 Biology Syllabus

Unit-I Diversity of Living Organisms 

Chapter-1: 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 taxonomymuseums, zoological parks, herbaria, botanical gardens.

Chapter-2: Biological Classification

Five kingdom classification; Salient features and classification of Monera, Protista and Fungi into major groups: Lichens, Viruses and Viroids.

Chapter-3: 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.

Chapter-4: 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.)

Unit-II Structural Organisation in Animals and Plants 

Chapter-5: Morphology of Flowering Plants

Morphology and modifications: Internal Morphology 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).

Chapter-6: Anatomy of Flowering Plants

Anatomy and functions of different tissues.

Chapter-7: 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)

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; 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.

Chapter-9: Biomolecules

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

Chapter-10: Cell Cycle and Cell Division

Cell cycle, mitosis, meiosis and their significance

Unit-IV Plant Physiology 

Chapter-11: Transport in Plants

Movement of water, gases and nutrients; cell to cell transport, diffusion, facilitated diffusion, active transport; plant-water relations, imbibition, water potential, osmosis, plasmolysis; long distance transport of water – Absorption, apoplast, symplast, transpiration pull, root pressure and guttation; transpiration, opening and closing of stomata; Uptake and translocation of mineral nutrients – Transport of food, phloem transport, massflow hypothesis.

Chapter-12: Mineral Nutrition

Essential minerals, macro- and micronutrients and their role; deficiency symptoms; mineral toxicity; elementary idea of hydroponics as a method to study mineral nutrition; nitrogen metabolism, nitrogen cycle, biological nitrogen fixation.

Chapter-13: Photosynthesis in Higher Plants

Photosynthesis as a means 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.

Chapter-14: 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.

Chapter-15: 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.

Unit-V Human Physiology 

Chapter-16: Digestion and Absorption

Alimentary canal and digestive glands, role of digestive enzymes and gastrointestinal hormones; Peristalsis, digestion, absorption and assimilation of proteins, carbohydrates and fats; calorific values of proteins, carbohydrates and fats; egestion; nutritional and digestive disorders – PEM, indigestion, constipation, vomiting, jaundice, diarrhoea.

Chapter-17: 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.

Chapter-18: 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-19: 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, kidney transplant.

Chapter-20: 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.

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 – 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.

Note: Diseases related to all the human physiological systems to be taught in brief.

PRACTICALS

CBSE class 11 Biology New Syllabus 2018-19

Time Allowed: Three hours
Max. Marks: 30

Evaluations Scheme Marks
One Major Experiment Part A (Experiment No- 1,3,7,8) 5 Marks
One Minor Experiment Part A (Experiment No- 6,9,10,11,12,13) 4 Marks
Slide Preparation Part A (Experiment No- 2,4,5) 5 Marks
Spotting Part B 7 Marks
Practical Record+Viva Voce 4 Marks
Project Record + Viva Voce 5 Marks
Total 30 Marks

Suggested Books:
1. Biology Class-XI, Published by NCERT
2. Other related books and manuals brought out by NCERT (consider multimedia also)

Following are the posts related to the CBSE Class 11 Syllabus 2018-19

CBSE Students, need not to worry about the CBSE Class XI BIOLOGY Syllabus 2018-19. In this article, we provided the Biology CBSE Class 11 Syllabus along with the details of each and every Unit, chapter and topics. Refer once this article and go for CBSE Class 11 examination preparation. In this article, all the information is completely related to the CBSE Board. Generally CBSE  changes the Biology syllabus year to year. So to get Biology syllabus updates, keep follow this page and Don’t forget to share with your friends. They may also know the Biology CBSE Class 11 Syllabus 2018-19.

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