TBSE Class 11 Syllabus 2025 Biology

SYLLABUS – 2024- 2025
CLASS – XI
SUBJECT – BIOLOGY
Total Marks – 70 Practical - 30

COURSE STRUCTURE

UNIT-I : DIVERSITY OF LIVING ORGANISMS

Chapter-1: The Living World

Biodiversity, Need for classification, three domains of life, taxonomy and systematics, concept of
species and taxonomical hierarchy, binomial nomenclature.

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

Classification of plants into major groups, Salient and distinguishing features and a few examples of
Algae. Bryophyta, Pteridophyta, Gymnospermae (Topics excluded- Angiosperms, Plant Life Cycle and
Alternation of Generations).

Chapter-4: Animal Kingdom

Salient features and classification of animals, non-chordates up to phyla level and chordates upto
class level (salient features and at a few examples of each category). (No live animals or specimen
should be displayed.)

UNIT-II STRUCTURAL ORGANIZATION IN PLANTS AND ANIMALS

Chapter-5: Morphology of Flowering Plants

Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit and
seed. Description of family Solanaceae (* Fabaceae & Liliaceae excluded).

Chapter-6: Anatomy of Flowering Plants

Anatomy and functions of tissue systems in dicots and monocots.

Chapter-7: Structural Organisation in Animals

Morphology, Anatomy and functions of different systems (digestive, circulatory respiratory, nervous
and reproductive) of frog. (Earthworm and cockroach excluded).
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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 and nucleic acids; Enzyme- types, properties, enzyme action. (Topics excluded: Nature of Bond
Linking Monomers in a Polymer, Dynamic State of Body Constituents Concept of Metabolism,
Metabolic Basis of Living, The Living State).

Chapter-10: Cell Cycle and Cell Division

Cell cycle, mitosis, meiosis and their significance.

UNIT-IV PLANT PHYSIOLOGY

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; plant growth regulators - auxin, gibberellin, cytokinin, ethylene, ABA

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UNIT-V HUMAN PHYSIOLOGY

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, uticotelism; human excretory system- structure and
function, urine formation, osmoregulation, regulation of kidney function- rennin- angiotensin, atrial
natriuretic factor, ADH and diabetes insipidus, role of other organs in excretion, disorders uremia,
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 systems-
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. (Sense organs: Eye & ear
excluded).

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 goitre, diabetes, Addison’s diseases.

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

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(PRACTICAL)

Evaluation Scheme Marks
One Major Experiment Part A (Experiment No. 1, 3, 7 & 8) 6 Marks
One Minor Experiment Part A (Experiment No. 6, 9, 10, 11, 12 & 13) 5 Marks
One Slide Preparation Part A (Experiment No. 2, 4 & 5) 5 Marks
Spotting Part B 4 Marks
Viva 2 Marks
Lab Note Book 3 Marks
Attendance 5 Marks
Total 30 Marks
A: LIST OF EXPERIMENTS:-
1. Study and describe locally available common flowering plants, from family Solanaceae (Poaceae,
Asteraceae or Brassicaceae can be substituted in case of particular geographical location) including
dissection and display of floral whorls, anther and ovary to show number of chambers (floral
formulae and floral diagrams), type of root (tap and adventitious; type of stem (herbaceous and
woody); leaf (arrangement, shape, venation, simple and compound)
2. Preparation and study of TS of dicot and monocot roots and stems (primary).
3. Study of osmosis by potato osmometer.
4. Study of plasmolysis in epidermal peels (e. g. Rhoeo/Lily leaves or flashy scale leaves of onion
bulb).
5. Study of distribution of stomata on the upper and lower surfaces of leaves.
6. Comparative study of the rates of transpiration in the upper and lower surfaces of leaves.
7. Test for the presence of sugar, starch, proteins and fats in suitable plant and animal materials.
8. Separation of plant pigments through paper chromatography.
9. Study of the rate of respiration in flower buds/leaf tissue and germinating seeds.
10. Test for presence of urea in urine.
11. Test for presence of sugar in urine.
12. Test for presence of albumin in urine.
13. Test for presence of bile salts in urine.
B. STUDY AND OBSERVE THE FOLLOWING (SPOTTING):
1. Parts of a compound microscope.
2. Specimens/slides/models and identification with reasons-Bacteria, Oscillatoria, Spirogyra,
Rhizopus, mushroom, yeast, liverwort, moss, fern, pine, one moncotyledonous plant, one
dicotyledonous plant and one lichen.
3. Virtual specimens/slides/models and identifying features of Amoeba, Hydra, liverfluke, Ascaris,
leech, earthworm, prawn, silkworm, honey bee, snail, starfish, shark, rohu, frog, lizard, pigeon and
rabbit.
4. Mitosis in onion root tip cells and animals’ cells (grasshopper) from permanent slides.
5. Different types of inflorescence (cymose and racemose)
6. Human skeleton and different types of joints with the help of virtual images/models only.
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HALF-YEARLY EXAMINATION: 2024-2025

BLUE-PRINT OF DISTRIBUTION OF MARKS

Unit Cha Contents MCQ VSA SA-I SA-II LA-I LA-II Total
pter (1) (1) (2) (3) (4) (5) Marks
Living world
1 - 1x1 2x1 - - - 03
঴জীব জগৎ
Biological Classification
2 1x1 1x1 - - 4x1 - 06
জীবববদ্যা ঴ম্পবকি ত শ্রেণীববন্যা঴
I
Plant Kingdom
3 1x1 1x1 2x2 3x1 - - 09
উবিদ্ জগৎ
Animal Kingdom
4 1x1 1x1 2x1 3x1 - - 07
প্রাণী জগৎ
Morphology of Flowering plant
5 1x2 1x1 - - - 5x1 08
঴পুষ্পক উবিদদ্র গঠন্
Anatomy of flowering plant
6 1x1 - 2x1 - 4x1 - 07
II ঴পুষ্পক উবিদদ্র অর্ন্িগঠন্
Structural organisation in
7 Animals 1x1 1x1 - 3x1 - - 05
প্রাণীদদ্র গঠন্গত অঙ্গ঴ংস্থান্
Cell: Unit of life
8 1x1 - 2x1 3x1 4x1 - 10
শ্রকাল জীবদন্র একক
Biomolecules
III 9 1x1 1x2 2x1 - - - 05
জজব অণু঴মূ঵
Cell cycle and Cell division
10 1x1 1x2 2x1 - - 5x1 10
শ্রকা঳চক্র এবং শ্রকাল ববভাজন্
Total Marks 1x10 1x10 2x8 3x4 4x3 5x2
70
(10) (10) (16) (12) (12) (10)
Total No. of Questions 10 10 8 4 3 2 37

N.B.: Question Setter will include 2 Nos "OR" questions in LA-I Section and another, 2 Nos "OR"
Questions in LA II Section"

"OR" Question must be selected from same chapter/unit of syllabus. (2024-25)

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ANNUAL EXAMINATION: 2024-2025
BLUE-PRINT OF DISTRIBUTION OF MARKS

Unit Cha Contents MCQ VSA SA-I SA-II LA-I LA-II Total
pter (1) (1) (2) (3) (4) (5) Marks
Photo synthesis in higher
13 plants 1x1 1x2 2x1 3x1 4x1 - 12
উন্নত উবিদদ্ ঴াদ঱াক঴ংদে঳
IV Respiration in plants
14 1x1 1x2 2x2 - - 5x1 12
উবিদদ্ শ্ব঴ন্
Plant Growth & Development
15 1x2 1x2 2x1 - - - 06
উবিদদ্র বৃবি ও ববকাল
Breathing and exchange of
17 gases 1x1 - 2x1 3x1 - - 06
শ্বা঴কাযি এবং গযাদ঴র আদ্ান্ প্রদ্ান্
Body fluid and Circulation
18 1x1 1x1 3x1 - 5x1 10
শ্রদ্঵তর঱ এবং ঴ংব঵ন্
Excretory Product and their
19 Elimination 1x1 1x1 - - 4x1 - 06
V শ্ররচন্ পদ্াথি ও তাদদ্র বন্ষ্কা঳ন্
Locomotion and Movement
20 1x1 1x1 2x1 - - - 04
চ঱ন্ এবং গমন্
Neural control and Co-
21 ordination 1x1 - 2x1 - 4x1 - 07
স্নায়ববক বন্য়ন্ত্রন্ ও ঴মন্বয়
Chemical Co-ordination
22 1x1 1x1 2x1 3x1 - - 07
রা঴ায়বন্ক ঴মন্বয়
Total Marks 1x10 1x10 2x8 3x4 4x3 5x2
70
(10) (10) (16) (12) (12) (10)
Total No. of Questions 10 10 8 4 3 2 37

N.B.: Question Setter will include 2 Nos "OR" questions in LA-I Section and another, 2 Nos "OR"
Questions in LA II Section"

"OR" Question must be selected from same chapter/unit of syllabus. (2024-25)

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WEIGHTAGE TO TYPE OF QUESTIONS

Type of Questions Marks (70) Percentage
1. Multiple Choice Questions (MCQ) (1x10)
10 14.29
(Inclusive of Assertion, Reason, Differentiation & Stem)
2. Very Short Answer Type Questions (VSA) (1x10)
10 14.29
(Inclusive of Assertion, Reason, Differentiation & Stem)
3. Short Answer Type Questions- I (SA-I) (2x8)
(Knowledge, Understanding, Application, Analysis, Evaluation, 16 22.86
Synthesis & Create)
4. Short Answer Type Questions- II (SA-II) (3x4)
(Knowledge, Understanding, Application, Analysis, Evaluation, 12 17.14
Synthesis & Create)
5. Long Answer Type Questions – I (LA-I) (4×3)
(Knowledge, Understanding, Application, Analysis, Evaluation, 12 17.14
Synthesis & Create)
6. Long Answer Type Questions – II (LA-II) (5x2)
(Knowledge, Understanding, Application, Analysis, Evaluation, 10 14.29
Synthesis & Create)
70 100

NOTE:-
i) Typology of questions:- MCQ, VSA, Assertion- Reasoning type questions; SA-I, SA-II, LA-I,
LA-II, LA- III.
In LA- type questions source-based/ case- study based/ passage based questions may be
included.

ii) Approximately 33 % internal choice would be given.

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