cbse class 11 biology syllabus & Recommended books 2017-2018 session

Hi Friends, today we are going to discuss you about CBSE class 11 Biology syllabus with all the best books recommended to score great in the particular subject.This syllabus aims at emphasizing on the underlying principles that are common to both animals and plants as well as highlighting the relationship of biology with other areas of knowledge.This updated syllabus for CBSE class 11 Biology, focuses on reducing the curriculum load while ensuring that ample opportunities and scope for learning within its framework.

As you know very well that Central Board of Secondary Education (CBSE) has its own curriculum and syllabus designed for the students and they hold the supreme authority to change it further for the benefit of students. So it is always a wise decision to keep an eye on what happening around with the subject you are going to learn. This year CBSE made little bit changes in class 11 Biology syllabus.

Biology book for class 11th 

For Biology of class XI, one can opt from the list of books listed below.

  • Pradip Biology books for class 11
  • NCERT Biology book class 11( NCERT Publication)
  • Trueman’s Biology for class 11
  • Campbell Biology For class 11

Overview of CBSE Class 11 Biology Syllabus, Chapter wise Biology syllabus for class 11, Class XI Biology syllabus for session 2017-2018.

CBSE class 11 Biology syllabus’ chapter details in brief

Now Let us have a brief look at the salient features asked in CBSE class 11 Biology syllabus.

BIOLOGY (Code No. 044) COURSE STRUCTURE Class XI (2016-17) 

THEORY: Theory paper for class 11 Biology, will be of 70 marks and will consist of following topics.

Unit Title Periods Marks
1 Diversity of Living Organisms 23 07
2. Structural Organisation in Plants and Animals 22 11
3. Cell: Structure and Function 35 15
4. Plant Physiology 40 17
5. *Human Psychology  (A)- Section of OTBA

Human Psychology (B)

40 *10+10
Total 160 70

Unit-1:  Diversity of Living Organisms 

Chapter-1: The Living World
What is living? Biodiversity; Need for classification; three domains of life; taxonomy and the systematic concept of species and taxonomical hierarchy; binomial nomenclature; tools for the study of taxonomy-museums, 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 up to 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-2:  Structural Organisation in Animals and Plants 

Chapter-5: Morphology of Flowering Plants
Morphology and modifications: Tissues

Chapter-6: 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).

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-3: 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, nuclear membrane, chromatin, nucleolus.

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-4: 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, mass flow hypothesis; diffusion of gases.

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 mean of autotrophic nutrition; site of photosynthesis, pigments involved in photosynthesis (elementary idea); photochemical and biosynthetic phases of photosynthesis; cyclic and noncyclic photophosphorylation; chemiosmotic hypothesis; photorespiration; C3 and C4 pathways; factors affecting photosynthesis.

Chapter-14: Respiration in Plants
Exchange of gasses; cellular respiration – glycolysis, fermentation (anaerobic), TCA cycle and electron transport system (aerobic); energy relations – the 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-5: Human Physiology                                   

Part (A) will be assessed through OTBA whereas, from the Part (B), there will be a usual conceptual question in the year-end examination.

Part (B) Chapter-16: Digestion and Absorption
Alimentary canal and digestive glands, the 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, diarrhea.

Part (B) 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 gasses, transport of gasses and regulation of respiration, respiratory volume; disorders related to respiration – asthma, emphysema, occupational respiratory disorders.

Part (A) 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.

Part (B) 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.

Part (B) 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 the muscular and skeletal system – myasthenia gravis, tetany, muscular dystrophy, arthritis, osteoporosis, gout.

Part (B) 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.

Part (A) 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.

Practical syllabus for class 11 biology

Practical syllabus for class 11 Biology will be of 30 marks and consist of following listed events.

Evaluation Scheme Marks
One Major Experiment 5
One Minor Experiment 4
Slide Preparation 5
Spotting 7
Practical  Record+Viva Voice 4
Project Record + Viva Voice 5
Total 30


List of Experiments for Class 11 Biology 

  • Study and description of three locally available common flowering plants, one from each of the families Solanaceae, Fabaceae and Liliaceae including dissection and display of floral whorls, another and ovary to show a number of chambers (floral formulae and floral diagrams).
  • Types of the root (Tap and adventitious); stem (herbaceous and woody); leaf (arrangement, shape, venation, simple and compound).
  • Preparation and study of T.S. of dicot and monocot roots and stems (primary).
  • Study of osmosis by potato osmometer.
  • Study of plasmolysis in epidermal peels (e.g. Rhoeo leaves).
  • Study of distribution of stomata in the upper and lower surface of leaves.
  • Comparative study of the rates of transpiration in the upper and lower surface of leaves.
  • Test for the presence of sugar, starch, proteins and fats. Detection in suitable plant and animal materials.
  • Separation of plant pigments through paper chromatography.
  • Study of the rate of respiration in flower buds/leaf tissue and germinating seeds.
  • Test for presence of urea in urine.
  • Test for presence of sugar in urine.
  • Test for presence of albumin in urine.
  • Test for presence of bile salts in urine.
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