2017-2018 CBSE Class XI 11th Syllabus - Biology Class 11 Syllabus
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Course Structure
| Unit | Title | Marks |
| 1. | Diversity of Living Organisms | 7 |
| 2. | Structural Organisation in Plants & Animals | 11 |
| 3. | Cell: Structure and Function | 15 |
| 4. | Plant Physiology | 17 |
| 5. |
Human Physiology (A) - Section for OTBA Human Physiology (B) |
*10+10 |
| Total | 70 |
*This section will be assesed through OTBA only.
Unit I: Diversity of Living Organism
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 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 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 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 practical 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, carbodydrates, 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
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; 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 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 5: Human Physiology (A)
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: Breating 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.
Human Physiology (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.
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, Addision's disease.
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