CBSE EXAM LATEST UPDATE

The Class 11 exams depend on the schools, as they decide when to conduct the exams. Usually, the Class 11 exams are held a few months before the final board exams. This gives you the opportunity to prepare for the final board exams and also mentally prepare for them. Therefore, it is better to contact your school regarding the Class 11 exams, and also take advantage of the complete information provided here for the final board exam.

Central Board of Secondary Education (CBSE) has announced class 12 Board exams date. This year class 12th board exam will be started from 15 February 2025 and will last upto 04 April 2025, it will take around 49 days to complete the class 12th board exam. The first exam will be held on 15 February 2025 for Entrepreneurship (Including Vocational Students) subject and the last exam will be held on 04 April 2025 for Psychology subject. The practical exams/Internal Assesment/Projects & the board's annual theory examinations are scheduled to start w.e.f 01th January 2025 and 15th February 2025.

OFFICIAL 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; the concept of species and taxonomical hierarchy; binomial nomenclature; tools for Study of taxonomy-museums, zoological parks, herbaria, botanical gardens, keys for identification.

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

CBSE EXAM LATEST UPDATE

The Class 11 exams depend on the schools, as they decide when to conduct the exams. Usually, the Class 11 exams are held a few months before the final board exams. This gives you the opportunity to prepare for the final board exams and also mentally prepare for them. Therefore, it is better to contact your school regarding the Class 11 exams, and also take advantage of the complete information provided here for the final board exam.

Central Board of Secondary Education (CBSE) has announced class 12 Board exams date. This year class 12th board exam will be started from 15 February 2025 and will last upto 04 April 2025, it will take around 49 days to complete the class 12th board exam. The first exam will be held on 15 February 2025 for Entrepreneurship (Including Vocational Students) subject and the last exam will be held on 04 April 2025 for Psychology subject. The practical exams/Internal Assesment/Projects & the board's annual theory examinations are scheduled to start w.e.f 01th January 2025 and 15th February 2025.

OFFICIAL 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; the concept of species and taxonomical hierarchy; binomial nomenclature; tools for Study of taxonomy-museums, zoological parks, herbaria, botanical gardens, keys for identification.

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 (salient and distinguishing features and a few 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 (salient features and distinguishing features of a few examples of each Category). (No live animals or specimen should be displayed.)

Unit-II Structural Organization in Animals and Plants

Chapter-5: Morphology of Flowering Plants

Morphology and modifications: Morphology of different parts of flowering plants: root, stem, leaf, inflorescence, flower, fruit, and seed. Description of the families: Fabaceae, Solanaceae, And Liliaceae (to be dealt along with the relevant experiments of the Practical Syllabus).

Chapter-6: Anatomy of Flowering Plants

Anatomy and functions of different tissues and tissue systems in dicots and monocots. Secondary growth.

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, the 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, mass flow hypothesis.

Chapter-12: Mineral Nutrition

Essential minerals, macro-and micronutrients, and their role; the deficiency symptoms; mineral toxicity; elementary idea of hydroponics as a method to study mineral nutrition; the 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, and redifferentiation; the sequence of developmental processes in A plant cell; growth regulators-auxin, gibberellin, cytokinin, ethylene, ABA; seed dormancy; the vernalisation; photoperiodism.

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Unit-V: Human Physiology

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, the 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 the blood, blood groups, coagulation of blood; composition of lymph and its function; human circulatory system-Structure of the 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; the role of other organs in excretion; disorders-uremia, renal failure, renal calculi, nephritis; dialysis and artificial kidney, the 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

The Neuron and nerves; The Nervous system in the humans-central nervous system; the peripheral nervous system and visceral nervous system; generation and conduction of nerve the impulse; reflex action; sensory perception; sense organs; the elementary structure and functions of the 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); the role of hormones as messengers and regulators, hypo-and the hyper-activity and related disorders; dwarfism, acromegaly, cretinism, goiter, exo-phthalmicgoiter, Diabetes, Addison's disease. Note: Diseases related to all the human physiological systems be taught in brief.

PRACTICALS

Time: 03 hours

Max. Marks: 30

A: List of Experiments

1. Study and describe three locally available common flowering plants, one from each of the families  Solanaceae, Fabaceae, and Liliaceae (Poaceae,  Asteraceae, and Brassicaceae can be substituted in case of particular geographical location) including dissection and display of floral whorls,  anther, and ovary to show the number of chambers (floral formulae, and floral diagrams). Types of root (Tap and adventitious); types of the stem (herbaceous and woody); leaf (arrangement, shape, venation, simple and compound).

2. Preparation and study of T.S. 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 in the upper and lower surfaces of leaves.

6. Comparative study of the rates of transpiration in the upper and lower surface 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 the presence of urea in urine.

11. Test for the presence of sugar in urine.

12. Test for the presence of albumin in urine.

13. Test for the presence of bile salts in urine.

B: Careful observation of 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 monocotyledonous plant, one dicotyledonous plant, and one lichen.

3. Virtual specimens/slides/models and identifying features of - Amoeba, Hydra, liver fluke, Ascaris, leech, earthworm, prawn, silkworm, honeybee, snail, starfish, shark, rohu, frog, lizard, pigeon, and rabbit.

4. Tissues and diversity in shape and size of plant cells (palisade cells, guard cells, parenchyma, collenchyma, sclerenchyma, xylem, and phloem) through temporary and permanent slides.

5. Tissues and diversity in shape and size of animal cells (squamous epithelium, smooth, skeletal, and cardiac muscle fibers, and mammalian blood smear) through temporary/permanent slides.

6. Mitosis in onion root tip cells, and the animal cells (grasshopper) from permanent slides.

7. Different modifications in roots, stems, and leaves.

8. Different types of inflorescence (cymose and racemose).

9. Human skeleton and different types of joints with the help of virtual images/models only.

Prescribed Books:

1. Biology Class-XI, Published by NCERT

2. Other related books and manuals brought out by NCERT (including multimedia).

TO KNOW MORE

For Official Website: click here

For Time Table: click here

For Practical & Projects Circulars: click here

CBSE EXAM LATEST UPDATE

The Class 11 exams depend on the schools, as they decide when to conduct the exams. Usually, the Class 11 exams are held a few months before the final board exams. This gives you the opportunity to prepare for the final board exams and also mentally prepare for them. Therefore, it is better to contact your school regarding the Class 11 exams, and also take advantage of the complete information provided here for the final board exam.

Central Board of Secondary Education (CBSE) has announced class 12 Board exams date. This year class 12th board exam will be started from 15 February 2025 and will last upto 04 April 2025, it will take around 49 days to complete the class 12th board exam. The first exam will be held on 15 February 2025 for Entrepreneurship (Including Vocational Students) subject and the last exam will be held on 04 April 2025 for Psychology subject. The practical exams/Internal Assesment/Projects & the board's annual theory examinations are scheduled to start w.e.f 01th January 2025 and 15th February 2025.

Paper Format

Paper Type - Theory + Practical

Paper Marks - Theory (70 Marks) + Practical (30 Marks)

Maximum Total marks - 70 + 30 = 100 Marks

Time duration - 3 hours (Only For Theory Exam) + 3 hours (Only For Practical Exam)

Unit & their Weightage

Paper I: Theory

Paper II: Practical

TO KNOW MORE

For Official Website: click here

For Time Table: click here

For Practical & Projects Circulars: click here

CBSE EXAM LATEST UPDATE

The Class 11 exams depend on the schools, as they decide when to conduct the exams. Usually, the Class 11 exams are held a few months before the final board exams. This gives you the opportunity to prepare for the final board exams and also mentally prepare for them. Therefore, it is better to contact your school regarding the Class 11 exams, and also take advantage of the complete information provided here for the final board exam.

Central Board of Secondary Education (CBSE) has announced class 12 Board exams date. This year class 12th board exam will be started from 15 February 2025 and will last upto 04 April 2025, it will take around 49 days to complete the class 12th board exam. The first exam will be held on 15 February 2025 for Entrepreneurship (Including Vocational Students) subject and the last exam will be held on 04 April 2025 for Psychology subject. The practical exams/Internal Assesment/Projects & the board's annual theory examinations are scheduled to start w.e.f 01th January 2025 and 15th February 2025.

Paper Format

Paper Type - Theory + Practical

Paper Marks - Theory (70 Marks) + Practical (30 Marks)

Maximum Total marks - 70 + 30 = 100 Marks

Time duration - 3 hours (Only For Theory Exam) + 3 hours (Only For Practical Exam)

Unit & their Weightage

Paper I: Theory

Paper II: Practical

TO KNOW MORE

For Official Website: click here

For Time Table: click here

For Practical & Projects Circulars: click here

CBSE EXAM LATEST UPDATE

The Class 11 exams depend on the schools, as they decide when to conduct the exams. Usually, the Class 11 exams are held a few months before the final board exams. This gives you the opportunity to prepare for the final board exams and also mentally prepare for them. Therefore, it is better to contact your school regarding the Class 11 exams, and also take advantage of the complete information provided here for the final board exam.

Central Board of Secondary Education (CBSE) has announced class 12 Board exams date. This year class 12th board exam will be started from 15 February 2025 and will last upto 04 April 2025, it will take around 49 days to complete the class 12th board exam. The first exam will be held on 15 February 2025 for Entrepreneurship (Including Vocational Students) subject and the last exam will be held on 04 April 2025 for Psychology subject. The practical exams/Internal Assesment/Projects & the board's annual theory examinations are scheduled to start w.e.f 01th January 2025 and 15th February 2025.

TIME TABLE - BIOLOGY

TIME TABLE - ALL SUBJECTS

CBSE EXAM LATEST UPDATE

The Class 11 exams depend on the schools, as they decide when to conduct the exams. Usually, the Class 11 exams are held a few months before the final board exams. This gives you the opportunity to prepare for the final board exams and also mentally prepare for them. Therefore, it is better to contact your school regarding the Class 11 exams, and also take advantage of the complete information provided here for the final board exam.

Central Board of Secondary Education (CBSE) has announced class 12 Board exams date. This year class 12th board exam will be started from 15 February 2025 and will last upto 04 April 2025, it will take around 49 days to complete the class 12th board exam. The first exam will be held on 15 February 2025 for Entrepreneurship (Including Vocational Students) subject and the last exam will be held on 04 April 2025 for Psychology subject. The practical exams/Internal Assesment/Projects & the board's annual theory examinations are scheduled to start w.e.f 01th January 2025 and 15th February 2025.

TIME TABLE - BIOLOGY

TIME TABLE - ALL SUBJECTS

TO KNOW MORE

For Official Website: click here

For Time Table: click here

For Practical & Projects Circulars: click here

CBSE EXAM LATEST UPDATE

The Class 11 exams depend on the schools, as they decide when to conduct the exams. Usually, the Class 11 exams are held a few months before the final board exams. This gives you the opportunity to prepare for the final board exams and also mentally prepare for them. Therefore, it is better to contact your school regarding the Class 11 exams, and also take advantage of the complete information provided here for the final board exam.

Central Board of Secondary Education (CBSE) has announced class 12 Board exams date. This year class 12th board exam will be started from 15 February 2025 and will last upto 04 April 2025, it will take around 49 days to complete the class 12th board exam. The first exam will be held on 15 February 2025 for Entrepreneurship (Including Vocational Students) subject and the last exam will be held on 04 April 2025 for Psychology subject. The practical exams/Internal Assesment/Projects & the board's annual theory examinations are scheduled to start w.e.f 01th January 2025 and 15th February 2025.

KEY HIGHLIGHTS OF THE BOARD EXAM

This Year exam will be conducted for the following subject codes & their subjects:

CBSE EXAM LATEST UPDATE

The Class 11 exams depend on the schools, as they decide when to conduct the exams. Usually, the Class 11 exams are held a few months before the final board exams. This gives you the opportunity to prepare for the final board exams and also mentally prepare for them. Therefore, it is better to contact your school regarding the Class 11 exams, and also take advantage of the complete information provided here for the final board exam.

Central Board of Secondary Education (CBSE) has announced class 12 Board exams date. This year class 12th board exam will be started from 15 February 2025 and will last upto 04 April 2025, it will take around 49 days to complete the class 12th board exam. The first exam will be held on 15 February 2025 for Entrepreneurship (Including Vocational Students) subject and the last exam will be held on 04 April 2025 for Psychology subject. The practical exams/Internal Assesment/Projects & the board's annual theory examinations are scheduled to start w.e.f 01th January 2025 and 15th February 2025.

KEY HIGHLIGHTS OF THE BOARD EXAM

This Year exam will be conducted for the following subject codes & their subjects:

IMPORTANT INSTRUCTIONS

1. All students are required to reach at their exam centres by 9:30 AM in the morning sharp.

2. The practical exams/Internal Assesment/Projects are scheduled to start w.e.f  01th January 2025 and 15th February 2025.

3. Maximum marks allotted to each subjects is 100 with marks distribution among theory, practical, project and Internal assessment components.

HOW TO CHECK TIME TABLE

Students who are planning to appear for the CBSE Class 12th exam can download their complete timetable by following these simple steps:

Step 1: Go to the official website of the Central Board of Secondary Education at www.cbse.gov.in

Step 2: On the homepage, find and click on the link for “CBSE Class 12th Time Table”

Step 3: A new page will open displaying the CBSE exam date sheet in PDF format.

Step 4: Carefully review the date sheet to get all the necessary details regarding the CBSE exam.

Step 5: Download and save the timetable. It is also recommended to take a printout for future reference.

TO KNOW MORE

For Official Website: click here

For Time Table: click here

For Practical & Projects Circulars: click here