Bihar Board Class X Exam Syllabus 2026
Bihar Board Class X Exam Syllabus
Bihar Board Class 10 Syllabus 2027: Overview
The Bihar School Examination Board (BSEB) has released the Class 10 syllabus for the 2026–27 session. The official syllabus is available at biharboardonline.bihar.gov.in.
The syllabus is based on NCERT Class 9 and 10 textbooks with BSEB-specific modifications, including Disaster Management in Social Science. BSEB has confirmed no revisions for 2026–27, so the syllabus is unchanged from the 2026 cycle.
Subjects and Marks
The Bihar Board Class 10 syllabus covers five compulsory subjects and one optional subject. Each subject carries 100 marks, making the total compulsory marks 500.
- Hindi
- English
- Mathematics
- Science
- Social Science
- Optional third language
Important Dates
The Bihar Board Class 10 theory exams are scheduled from February 17 to 25, 2027. Practical examinations will be held on January 21–22, 2027.
| Event | Date |
|---|---|
| Theory examinations | February 17–25, 2027 |
| Practical examinations | January 21–22, 2027 |
Subject-wise Syllabus PDFs
BSEB publishes individual syllabus PDFs for each subject on its official website. The official syllabus PDF can be downloaded from biharboardonline.bihar.gov.in.
| Subject | Syllabus PDF |
|---|---|
| Mathematics | Bihar Board Mathematics Syllabus PDF 2027 |
| Science | Bihar Board Science Syllabus PDF 2027 |
| Social Science | Bihar Board Social Science Syllabus PDF 2027 |
| Hindi | Bihar Board Hindi Syllabus PDF 2027 |
| English | Bihar Board English Syllabus PDF 2027 |
| Sanskrit | Bihar Board Sanskrit Syllabus PDF 2027 |
How to Download the Syllabus PDF
Download the official Bihar Board Class 10 Syllabus PDF from BSEB's website before starting preparation. The syllabus PDF should be used to build a study plan around the prescribed chapter list.
Bihar Board Class 10 Exam 2027: Overview
The Bihar Board Class 10 (Matric) Examination 2027 is conducted by the Bihar School Examination Board (BSEB). The academic year for this exam is 2026–27.
The official website for the board is biharboardonline.bihar.gov.in.
| Parameter | Details |
|---|---|
| Conducting Body | Bihar School Examination Board (BSEB) |
| Exam Name | Bihar Board Class 10 (Matric) Examination 2027 |
| Academic Year | 2026–27 |
| Official Website | biharboardonline.bihar.gov.in |
| Compulsory Subjects | Hindi, English, Mathematics, Science, Social Science (5 subjects) |
| Optional / Third Language | Sanskrit, Maithili, Urdu, Arabic, Persian, Music, or Home Science |
| Marks per Subject | 100 marks each |
| Total Marks (Compulsory) | 500 marks |
| Exam Mode | Offline (Pen and Paper) |
| Exam Duration | 3 hours 15 minutes per theory paper |
| Exam Shifts | Shift 1: 9:30 AM – 12:45 PM | Shift 2: 2:00 PM – 5:15 PM |
| Minimum Pass Marks | 33% per subject |
| Syllabus Basis | NCERT Class 9 and 10 textbooks with BSEB rationalisation |
| Syllabus Status (2026–27) | Released — no changes from 2025–26 |
Bihar Board Class 10 2027: Important Dates
The table below lists all key events for the Bihar Board Class 10 2027 cycle in chronological order. All dates below are upcoming as of July 2026.
The official timetable will be published by BSEB in October/November 2026.
| Event | Expected Date / Period | Status |
|---|---|---|
| Registration / Form Fill-up | August – September 2026 | Upcoming |
| Official Timetable Release | October – November 2026 | Upcoming |
| Admit Card Release | January 2027 | Upcoming |
| Practical Examinations | January 21–22, 2027 | Upcoming |
| Theory Examinations | February 17–25, 2027 | Upcoming |
| Result Declaration | April – May 2027 | Upcoming |
Bihar Board Class 10 Mathematics Syllabus 2027
The Bihar Board Class 10 Mathematics syllabus covers 15 chapters across 7 units. Algebra and Geometry together carry the highest weightage.
| Unit | Chapter | Key Topics |
|---|---|---|
| Unit I: Number Systems | 1. Real Numbers | Euclid’s Division Lemma, Fundamental Theorem of Arithmetic, Irrational numbers (proofs), Rational numbers and their decimal expansions (terminating and non-terminating) |
| Unit II: Algebra | 2. Polynomials | Zeros of a polynomial, Relationship between zeros and coefficients of quadratic polynomials, Division algorithm for polynomials |
| 3. Pair of Linear Equations in Two Variables | Graphical method of solution, Algebraic methods: Substitution, Elimination, Cross-multiplication, Equations reducible to linear form | |
| 4. Quadratic Equations | Standard form of quadratic equation, Solution by factorisation and completing the square, Nature of roots using discriminant (D = b² – 4ac) | |
| 5. Arithmetic Progressions | Motivation for studying AP, General term (nth term), Sum of first n terms, Application problems on AP | |
| Unit III: Coordinate Geometry | 6. Coordinate Geometry | Distance Formula, Section Formula, Area of a triangle using coordinates, Mid-point formula |
| Unit IV: Geometry | 7. Triangles | Similarity of triangles, Criteria for similarity (AA, SAS, SSS), Basic Proportionality Theorem (Thales’ Theorem), Areas of similar triangles, Pythagoras Theorem and its converse |
| 8. Circles | Tangent to a circle, Tangent from an external point, Number of tangents from a point on a circle, Length of tangent theorem | |
| 9. Constructions | Constructions related to triangles and circles |
Bihar Board Class 10 Mathematics Syllabus 2027
The Bihar Board Class 10 Mathematics syllabus is divided into seven units. The theory paper is for 80 marks, and an internal assessment carries 20 marks, making a total of 100 marks.
Unit I: Number Systems
This unit covers the chapter "Real Numbers."
- Euclid's division lemma and the Fundamental Theorem of Arithmetic
- Prime factorisation and finding HCF and LCM
- Irrational numbers and their decimal expansions
Unit II: Algebra
This unit contains four chapters: Polynomials, Pair of Linear Equations in Two Variables, Quadratic Equations, and Arithmetic Progressions.
- Polynomials: Zeroes of a polynomial, relationship between zeroes and coefficients
- Pair of Linear Equations: Algebraic and graphical methods of solving
- Quadratic Equations: Solving by factorisation and quadratic formula, nature of roots
- Arithmetic Progressions: nth term and sum of first n terms
Unit III: Coordinate Geometry
This unit covers the chapter "Coordinate Geometry."
- Distance formula and section formula
- Area of a triangle using coordinates
Unit IV: Geometry
This unit contains three chapters: Triangles, Circles, and Constructions.
- Triangles: Similarity of triangles, Basic Proportionality Theorem, Pythagoras Theorem
- Circles: Tangents to a circle, number of tangents from a point
- Constructions: Division of a line segment in a given ratio, construction of similar triangles, construction of tangents from an external point
Unit V: Trigonometry
This unit contains two chapters: Introduction to Trigonometry and Some Applications of Trigonometry.
- Trigonometric ratios of an acute angle in a right triangle
- Ratios for specific angles (0°, 30°, 45°, 60°, 90°)
- Trigonometric ratios of complementary angles and trigonometric identities
- Heights and distances using angle of elevation and angle of depression
Unit VI: Mensuration
This unit contains two chapters: Areas Related to Circles and Surface Areas and Volumes.
- Area and perimeter of a circle, area of sector and segment
- Areas of combinations of plane figures involving circles
- Surface area and volume of combinations of solids (cone + hemisphere, cylinder + cone, etc.)
- Conversion of solid from one shape to another, frustum of a cone
Unit VII: Statistics and Probability
This unit contains two chapters: Statistics and Probability.
- Statistics: Mean of grouped data (direct, assumed mean, step deviation methods), median and mode, cumulative frequency graph (Ogive)
- Probability: Classical definition, probability of a simple event, complementary events, problems on single events (coins, dice, cards, bags)
Bihar Board Class 10 Mathematics Unit-wise Weightage 2027
| Unit | Chapters Covered | Marks (Approx) |
|---|---|---|
| Number Systems | Real Numbers | 6 |
| Algebra | Polynomials, Pair of Linear Equations, Quadratic Equations, Arithmetic Progressions | 20 |
| Coordinate Geometry | Coordinate Geometry | 6 |
| Geometry | Triangles, Circles, Constructions | 16 |
| Trigonometry | Introduction to Trigonometry, Applications of Trigonometry | 12 |
| Mensuration | Areas Related to Circles, Surface Areas and Volumes | 10 |
| Statistics and Probability | Statistics, Probability | 10 |
| Internal Assessment | — | 20 |
| Total | — | 100 |
Bihar Board Class 10 Science Syllabus 2027
The Bihar Board Science syllabus spans five units covering Chemistry, Biology, and Physics. Science carries 80 marks in theory and 20 marks in practical examination — totalling 100 marks.
Unit I: Chemical Substances — Nature and Behaviour (Chemistry)
This unit contains five chapters.
| Chapter | Key Topics |
|---|---|
| 1. Chemical Reactions and Equations | Chemical equations, Balanced chemical equations, Types of chemical reactions — Combination, Decomposition, Displacement, Double Displacement, Oxidation and Reduction reactions, Rancidity and corrosion |
| 2. Acids, Bases and Salts | Properties of acids and bases, Reaction of acids and bases with metals, pH scale, Importance of pH in everyday life, Common salts: Sodium hydroxide, Bleaching powder, Baking soda, Washing soda, Plaster of Paris |
| 3. Metals and Non-metals | Physical and chemical properties of metals and non-metals, Reactivity series, Formation and properties of ionic compounds, Extraction of metals (metallurgy basics), Corrosion and prevention |
| 4. Carbon and Its Compounds | Covalent bonding in carbon compounds, Allotropes of carbon, Hydrocarbons (alkanes, alkenes, alkynes), Nomenclature of carbon compounds, Chemical properties of ethanol and ethanoic acid, Soaps and detergents |
| 5. Periodic Classification of Elements | Early attempts at classification (Dobereiner's Triads, Newlands' Law of Octaves), Mendeleev's Periodic Table and its limitations, Modern Periodic Table, Periodic trends: valency, atomic size, metallic and non-metallic character |
Unit II: World of Living (Biology)
This unit covers life processes, control and coordination, reproduction, and heredity. It also includes topics on health and disease.
- Life processes: Nutrition, respiration, transportation, and excretion in plants and animals
- Control and coordination in animals and plants
- Reproduction: Asexual and sexual reproduction in plants and animals
- Heredity and evolution: Mendelian inheritance, sex determination
- Health and disease: Types of diseases, causes and prevention
Bihar Board Class 10 Science Syllabus 2027 – Unit II: World of Living (Biology)
Unit II covers four chapters from Biology. This unit carries 23 marks in the theory exam.
Chapter 6: Life Processes
The chapter explains the basic functions that keep living organisms alive.
- Nutrition – Autotrophic (photosynthesis) and Heterotrophic
- Respiration – aerobic and anaerobic
- Transportation – blood, lymph, heart
- Excretion – kidneys, nephrons, dialysis, excretion in plants
Chapter 7: Control and Coordination
This chapter deals with how the body responds to stimuli and coordinates its actions.
- Nervous system – neuron structure, brain, spinal cord, reflex arc
- Chemical coordination in animals – hormones (adrenaline, insulin, thyroxine)
- Coordination in plants – tropic movements, phytohormones
Chapter 8: How do Organisms Reproduce?
The chapter covers the different methods by which organisms produce offspring.
- Asexual reproduction – fission, fragmentation, regeneration, budding, vegetative propagation, spore formation
- Sexual reproduction in flowering plants
- Human reproductive system
- Contraception
- Reproductive health
Chapter 9: Heredity and Evolution
This chapter explains how traits are passed from parents to offspring and how species change over time.
- Heredity – Mendel’s laws (monohybrid and dihybrid crosses), Sex determination in humans
- Evolution – Charles Darwin’s theory, natural selection, speciation
- Evidences of evolution
- Human evolution
Unit III: Natural Phenomena (Physics – Light)
Unit III contains two chapters from Physics on the topic of light. This unit carries 12 marks in the theory exam.
Chapter 10: Light – Reflection and Refraction
The chapter explains the behaviour of light when it strikes a surface or passes through a medium.
- Laws of reflection
- Spherical mirrors (concave and convex), Image formation, Mirror formula, Magnification
- Refraction of light, Snell’s law, Refractive index
- Refraction through glass slab
- Spherical lenses (convex and concave), Lens formula, Power of a lens
Chapter 11: Human Eye and the Colourful World
This chapter describes the structure of the human eye and the optical phenomena seen in nature.
- Structure and functioning of the human eye, Power of accommodation
- Defects of vision – myopia, hypermetropia, presbyopia and their correction
- Atmospheric refraction, Tyndall effect
- Scattering of light (why sky is blue, why sun appears red at sunrise/sunset)
Unit IV: Effects of Current (Physics – Electricity and Magnetism)
Unit IV has two chapters from Physics on electricity and magnetism. This unit carries 13 marks in the theory exam.
Chapter 12: Electricity
The chapter covers the fundamentals of electric current and its effects.
- Electric current and circuit, Electric potential and potential difference
- Ohm’s Law, Resistance and factors affecting it
- Resistors in series and parallel
- Heating effect of electric current (Joule’s Law), Electric power
- Practical uses of heating effect
Chapter 13: Magnetic Effects of Electric Current
This chapter explains the relationship between electricity and magnetism.
- Magnetic field due to a current-carrying conductor, Right-hand thumb rule
- Magnetic field due to circular loop and solenoid, Electromagnet
- Force on a current-carrying conductor in a magnetic field, Electric motor
- Electromagnetic induction, Electric generator
- Domestic electric circuits, Fuse
Unit V: Natural Resources
Unit V contains two chapters on the environment and its management. This unit carries 7 marks in the theory exam.
Chapter 14: Our Environment
The chapter explains the structure of ecosystems and the impact of human activities on them.
- Ecosystem – its components
- Food chains and food webs, Trophic levels, Biological magnification
- Ozone layer depletion
- Garbage and waste management
- Biodegradable and non-biodegradable substances
Chapter 15: Management of Natural Resources
This chapter discusses the sustainable use and conservation of natural resources.
- Conservation of forests and wildlife, Stakeholders in forest management
- Water for all – dams, water harvesting, Ganga Action Plan
- Coal and petroleum – sustainable use
- Alternative sources of energy (solar, wind, biogas)
Bihar Board Class 10 Science Unit-wise Weightage 2027
The theory exam is for 80 marks and the practical exam is for 20 marks. The total marks for the subject are 100.
| Unit | Section | Marks (Theory – Approx) |
|---|---|---|
| Unit I | Chemical Substances (Chemistry – 5 chapters) | 25 |
| Unit II | World of Living (Biology – 4 chapters) | 23 |
| Unit III | Natural Phenomena (Light – 2 chapters) | 12 |
| Unit IV | Effects of Current (Electricity and Magnetism – 2 chapters) | 13 |
| Unit V | Natural Resources (Environment – 2 chapters) | 7 |
| — | Practical Examination | 20 |
| Total | — | 100 |
Bihar Board Class 10 Social Science Syllabus 2027
The Social Science syllabus for Class 10 is also part of the Bihar Board curriculum for 2027. Details of the Social Science syllabus are available separately.
Bihar Board Class 10 Social Science Syllabus: Subject Breakdown
The Bihar Board Class 10 Social Science syllabus is divided into five parts. These are History, Geography, Political Science, Economics, and Disaster Management.
Disaster Management is a specific part of the Bihar Board syllabus. It is not present in the CBSE syllabus and carries approximately 6 marks.
History: India and the Contemporary World II
This section covers the history of nationalism, globalisation, and industrialisation. It has five chapters in total.
| Chapter | Key Topics |
|---|---|
| 1. The Rise of Nationalism in Europe | French Revolution, Concept of the nation, Nationalism and imperialism, Visualising the nation, Unification of Germany and Italy |
| 2. Nationalism in India | Non-Cooperation Movement, Civil Disobedience Movement, Salt March, Sense of collective belonging, Various social groups in the freedom struggle |
| 3. The Making of a Global World | Silk Routes, The 19th-century world economy, Interwar economy, Bretton Woods institutions, Post-WWII global economic order |
| 4. The Age of Industrialisation | Proto-industrialisation, Industrial Revolution in Britain, Industrialisation in colonies, India’s early factories and mills |
| 5. Print Culture and the Modern World | Gutenberg Press, Print revolution in Europe, India’s print culture, Women and print, Print and the poor people |
Geography: Contemporary India II
This section deals with India's resources, agriculture, and infrastructure. It contains seven chapters.
| Chapter | Key Topics |
|---|---|
| 1. Resources and Development | Types of resources, Resource planning in India, Land degradation and conservation, Land use pattern, Soil types and conservation |
| 2. Forest and Wildlife Resources | Types of forests and wildlife, Deforestation and degradation, Project Tiger, Community participation in forest conservation |
| 3. Water Resources | Multi-purpose river projects, Dams and their drawbacks, Rainwater harvesting, Groundwater depletion |
| 4. Agriculture | Types of farming, Major crops (rice, wheat, sugarcane, tea, coffee, rubber), Technological and institutional reforms, Food security |
| 5. Minerals and Energy Resources | Types of minerals, Ferrous and non-ferrous minerals, Conventional energy (thermal, hydro, nuclear) and non-conventional energy |
| 6. Manufacturing Industries | Agro-based industries (textiles, sugar), Mineral-based industries (iron and steel, cement), Industrial pollution and environmental degradation |
| 7. Lifelines of National Economy | Roadways, railways, waterways, airways, pipelines; Communication; International trade; Tourism as a trade |
Political Science: Democratic Politics II
This part focuses on the workings of democracy in India and globally. It includes eight chapters.
| Chapter | Key Topics |
|---|---|
| 1. Power Sharing | Belgium and Sri Lanka case studies, Forms of power sharing (horizontal and vertical), Importance of power sharing |
| 2. Federalism | Federal features of India, Centre–State relations, Decentralisation, Local governments (panchayati raj) |
| 3. Democracy and Diversity | Social divisions in a democracy, Effects of social divisions on politics, Civil rights movement in the USA |
| 4. Gender, Religion and Caste | Gender and politics, Religion and politics (secularism), Caste and politics in India |
| 5. Popular Struggles and Movements | Nepal’s movement for democracy, Bolivia water war, Pressure groups and movements, Different forms of political action |
| 6. Political Parties | Functions of political parties, National parties (INC, BJP, BSP, CPI, CPI-M, NCP), State parties, Challenges and reforms |
| 7. Outcomes of Democracy | How democracy delivers?, Economic outcomes, Social outcomes, Dignity and freedom of citizens |
| 8. Challenges to Democracy | Thinking about political reforms, Guarding against misuse of reforms, Role of citizens |
Economics: Understanding Economic Development
This section explains basic economic concepts and the Indian economy. It has five chapters.
| Chapter | Key Topics |
|---|---|
| 1. Development | National development, Per capita income, HDI, Sustainability of development, Infant mortality rate, Literacy rate |
| 2. Sectors of the Indian Economy | Primary, secondary and tertiary sectors, Organised and unorganised sectors, Disguised unemployment, NREGA |
| 3. Money and Credit | Modern forms of money, Role of credit, Terms of credit, Formal and informal sectors of credit, Self-help groups |
| 4. Globalisation and the Indian Economy | Production across countries, Factors enabling globalisation, MNCs, Trade and investment barriers, WTO, Impact on Indian economy |
| 5. Consumer Rights | Consumer movement, Consumer rights (COPRA), Consumer protection forums, ISI, Agmark, Hallmark standards |
Disaster Management (Bihar Board Specific)
Disaster Management is a unique part of the Bihar Board syllabus. It is not included in the CBSE Social Science syllabus.
This component carries approximately 6 marks in the examination.
Bihar Board Class 10 Hindi Syllabus 2027
Hindi is a compulsory first-language subject in the Bihar Board Class 10 exam. The paper tests literature comprehension, grammar, and writing skills.
Hindi Paper Structure
| Section | Content | Marks (Approx) |
|---|---|---|
| Godhuli Bhag 2 — Gadya Khand (Prose) | Shram Vibhajan aur Jati Pratha (B.R. Ambedkar), Vish ke Daant (Nagarjun), Bharat Mata (Bhartendu Harishchandra), Neta Ji Ka Chasma (Swayam Prakash), Bahadur (Amarkant), Jit-Jit Mein Nirala (Mannu Bhandari), Maati Wali (Vidyasagar Nautiyal), Ek Samaj ka Ant (Tarashan Bandyopadhyay) | 25 |
| Godhuli Bhag 2 — Kavya Khand (Poetry) | Ram Banwas (Tulsidas), Param Durg (Surdas), Atamtran (Rabindranath Tagore, tr.), Ab Kahaan Doosre ke Dukh (Nirala), Hamari Neend (Kedarnath Agrawal), Akaal Mein Saras (Kedarnath Agrawal), Hiroshima (Sarveshwar Dayal Saxena), Ek Vriksha ki Hatya (Kunwar Narayan), Hum Panchhi Unmukt Gagan Ke (Shivmangal Singh 'Suman') | 20 |
| Varnika Bhag 2 (Short Stories — Supplementary) | Dahi Wali Mangamma (Sri Nivas), Do Bailon Ki Katha (Premchand), Dhanooo (Vinod Kumar Shukla), Maa (Ishwar Petchekar) | 15 |
| Vyakaran (Grammar) | Sandhi (Vowel, Consonant, Visarg Sandhi), Samas (Compound formation and identification), Karak (Cases and their markers), Kriya Vishleshan (Verb analysis), Vakya Parivartan (Sentence transformation — active/passive, direct/indirect), Muhavare aur Lokoktiyan (Idioms and proverbs) | 20 |
| Lekhan (Writing) | Nibandh (Essay), Patra (Letter — formal and informal), Avedan Patra (Application), Anuched Lekhan (Paragraph writing) | 20 |
Bihar Board Class 10 English Syllabus 2027
The Bihar Board English paper tests reading, grammar, writing, and literature from two NCERT textbooks. Grammar and writing together carry 50 marks.
English Paper Structure
| Section | Content | Marks (Approx) |
|---|---|---|
| First Flight — Prose (Main Reader) | A Letter to God, Nelson Mandela — Long Walk to Freedom, Two Stories About Flying (His First Flight; Black Aeroplane), From the Diary of Anne Frank, The Hundred Dresses–I, The Hundred Dresses–II, Glimpses of India (A Baker from Goa; Coorg; Tea from Assam), Mijbil the Otter, Madam Rides the Bus, The Sermon at Benares, The Proposal (Play) | 20 |
| First Flight — Poetry | Dust of Snow (Robert Frost), Fire and Ice (Robert Frost), A Tiger in the Zoo (Leslie Norris), How to Tell Wild Animals (Carolyn Wells), The Ball Poem (John Berryman), Amanda! (Robin Klein), Animals (Walt Whitman), The Trees (Adrienne Rich), Fog (Carl Sandburg), The Tale of Custard the Dragon (Ogden Nash), For Anne Gregory (W.B. Yeats) | 15 |
| Footprints Without Feet (Supplementary Reader) | A Triumph of Surgery, The Thief's Story, The Midnight Visitor, A Question of Trust, Footprints Without Feet, The Making of a Scientist, The Necklace, The Hack Driver, Bholi, The Book That Saved the Earth | 15 |
| Grammar | Tenses (all forms), Modals, Subject-Verb Agreement, Reported Speech (Direct and Indirect), Clauses (Noun, Adverb, Relative), Active and Passive Voice, Prepositions, Articles, Editing and Omission exercises | 20 |
| Writing | Formal and Informal Letter writing, Notice writing, Paragraph writing, Story writing, Comprehension of unseen passage | 30 |
Bihar Board Class 10 Sanskrit Syllabus 2027
The Sanskrit syllabus for Bihar Board Class 10 is structured to test language proficiency and literature knowledge. The subject is offered as an optional language paper.
Bihar Board Class 10 Sanskrit Exam Pattern
Sanskrit is the most commonly chosen optional third language in Bihar Board Class 10. Students who choose Sanskrit can score very high marks because grammar and translation sections are consistent and practice-based.
The question paper is divided into five sections. Each section carries a fixed number of marks.
| Section | Content | Marks (Approx) |
|---|---|---|
| Gadya (Prose) | Selected prose passages from the BSEB-prescribed Sanskrit textbook. Includes comprehension, meaning, and translation exercises. Topics include moral stories (Niti Shloka), historical narratives, and cultural texts. | 25 |
| Padya (Poetry) | Selected shlokas from classical Sanskrit literature. Includes explanation, central idea, and meaning in Hindi. | 20 |
| Vyakaran (Grammar) | Sandhi (Vowel, Consonant, Visarg), Vibhakti (all seven cases — Prathamaa to Saptamii), Samas (compound words — identification and vigraha), Dhatu roop (Lat, Lrit, Lot, Lang Lakar), Shabd roop (masculine, feminine, neuter), Pratyay (Krit and Taddhit), Upasarg (prefixes). | 30 |
| Anuvad (Translation) | Translation from Hindi to Sanskrit and Sanskrit to Hindi. | 15 |
| Nibandh / Patra Lekhan (Essay / Letter) | A short essay or letter in Sanskrit on a simple topic (e.g., My School, My Country, Discipline). | 10 |
Bihar Board Class 10 2027: Deleted / Reduced Topics
BSEB confirmed no syllabus change for the 2026–27 academic year. The rationalised syllabus, introduced after 2020, continues for 2027.
Students should verify the final deleted topics list on biharboardonline.bihar.gov.in after the official PDF release.
| Subject | Topic / Chapter Excluded / Reduced (Rationalised Syllabus) | Status for 2027 |
|---|---|---|
| Mathematics | Some advanced proofs in Triangles (beyond syllabus scope). | Verify in official BSEB PDF |
| Science | Some sub-topics in Sources of Energy (Unit V) — reduced in scope post-rationalisation. | Verify in official BSEB PDF |
| Social Science | Some sub-sections of Challenges to Democracy (Political Science Ch. 8) — reduced. | Verify in official BSEB PDF |
| English | Select chapters from Footprints Without Feet may vary each year per BSEB instruction. | Verify in official BSEB PDF |
| Hindi | Select prose/poetry texts may be excluded from exam scope (though present in textbook). | Verify in official BSEB PDF |
Cross-check the official syllabus PDF with textbook chapters before finalising the study plan. The BSEB PDF lists the exact chapters and units included in the exam.
Best Books for Bihar Board Class 10 2027
NCERT textbooks are the primary source for every subject. Reference books should be used for additional practice only, not as a replacement for NCERT.
Recommended Books for Bihar Board Class 10
The table below lists the recommended books for each subject of the Bihar Board Class 10 exam. These books cover the complete syllabus as prescribed by BSEB.
| Subject | Book Name | Author / Publisher | Why This Book |
|---|---|---|---|
| Mathematics | NCERT Class 10 Mathematics | NCERT | Primary source — all board questions are NCERT-based; solve all exercises |
| Mathematics | R.D. Sharma Mathematics Class 10 | R.D. Sharma / Dhanpat Rai | Extra practice for Algebra, Geometry, and Trigonometry with step-by-step solutions |
| Mathematics | Bihar Board Mathematics Guide (Class 10) | Various Bihar-specific publishers | Contains previous year BSEB questions with solutions aligned to exam pattern |
| Science | NCERT Science Class 10 | NCERT | The only prescribed textbook — read every in-text question and exercise |
| Science | Lakhmir Singh’s Physics / Chemistry / Biology Class 10 | Lakhmir Singh & Manjit Kaur / S. Chand | Clear diagrams, concept-wise solved examples; ideal for Biology and Chemistry |
| Social Science | NCERT History / Geography / Political Science / Economics Class 10 | NCERT | All four SST books are compulsory — read every paragraph; maps in Geography are high-yield |
| Social Science | Together with Social Science Class 10 | Rachna Sagar | Map-based questions, MCQs, and HOTS questions aligned with Bihar Board pattern |
| Hindi | Godhuli Bhag 2 + Varnika Bhag 2 | BSEB / NCERT | Prescribed textbooks — understand the literary context of every prose and poem |
| Hindi | Hindi Vyakaran (Grammar) | Kamta Prasad Guru / Nagari Pracharini Sabha | Authoritative grammar reference; covers Sandhi, Samas, and Karak in depth |
| English | First Flight + Footprints Without Feet | NCERT | Both are prescribed — every chapter can appear in the board paper |
| English | Oswaal Question Bank English Class 10 | Oswaal Books | Chapter-wise solved board papers, grammar exercises, and letter-writing formats |
| Sanskrit | BSEB Sanskrit Textbook Class 10 | BSEB | Only prescribed text — memorise grammar tables (dhatu roop, shabd roop) from this book |
How to Download Bihar Board Class 10 Syllabus 2027 PDF
Follow these steps to download the official Bihar Board Class 10 syllabus PDF directly from the BSEB website.
- Visit the official BSEB website at biharboardonline.bihar.gov.in.
- Look for the "Books" or "Academic" tab on the homepage navigation bar.
- Click on "Class 10" from the class selection options.
- A list of subjects appears — click on the subject for which you want to download the syllabus.
- The syllabus PDF will open in a new browser tab.
- Press Ctrl + S (Windows) or Cmd + S (Mac) to save the PDF to your device.
- Alternatively, click the download icon in your PDF viewer to save the file locally.
Note: Bookmark biharboardonline.bihar.gov.in for quick access — BSEB updates syllabi, timetables, and admit card links directly on this page.
Source: Bihar School Examination Board (BSEB) — Official Website
Bihar Board Class 10 2027: Subject-wise Preparation Tips
Bihar Board theory exams start on February 17, 2027. Roughly six months are available from August 2026 — enough time to cover the full syllabus twice with a structured plan.
Mathematics Preparation
- Solve every exercise in the NCERT Class 10 Mathematics textbook — the board paper relies heavily on NCERT examples and exercise questions.
- Practice Algebra and Trigonometry daily — these two units carry over 30 combined marks.
- For Constructions, practice drawing with compass and ruler until the steps are automatic.
- Attempt at least five full previous year BSEB Maths papers in timed conditions.
- Memorise the standard formula list for Surface Areas, Volumes, and Coordinate Geometry.
Science Preparation
- Draw and label all NCERT diagrams — the human eye, neuron, reproductive system, and electric circuit appear every year.
- Write out all chemical equations by hand at least three times each — exam marks are lost when equations are unbalanced or incomplete.
- Understand electricity concepts rather than memorising them — Ohm’s Law problems need clear circuit logic.
- Revise Mendel’s laws and the pea plant experiment; Heredity questions carry 5–8 marks consistently.
- Complete all practical activities listed in the NCERT Science textbook before the January practical exams.
Social Science Preparation
- Read every chapter of all four NCERT SST books — History, Geography, Political Science, and Economics.
- Practice map work from Geography daily; map-based questions are a fixed part of the paper.
- Prepare timeline-based questions from History — the National Movement in India section is high-weightage.
- Revise Political Science chapters on power-sharing and federalism; these carry direct definition-based questions.
- Attempt previous year SST papers to understand the pattern of long-answer questions.
Bihar Board Class 10 Syllabus 2027: Subject-Wise Preparation Tips
Social Science Preparation
- Prepare brief chapter-level notes for History covering causes, events, key personalities, and outcomes.
- Practice map pointing for Geography, focusing on rivers, minerals, industrial zones, and crop-growing regions of India.
- Read Political Science chapters on Federalism, Political Parties, and Power Sharing carefully — these topics contribute 10–12 marks in the paper.
- For Economics, understand key terms such as GDP, HDI, credit, MNC, and globalisation with real examples from the textbook.
- Revise the Disaster Management section separately; it carries 6 marks from a short chapter, making it an efficient scoring area.
Hindi Preparation
- Read every prose and poem in Godhuli Bhag 2 and understand the author's context and central theme.
- Practice grammar rules for Sandhi, Samas, and Karak with at least 20 worked examples for each.
- Write one full essay and one letter every week from October 2026 onwards — writing fluency improves only through regular practice.
- Prepare 3–4 model answers for each prose chapter, as the paper asks for summary, character analysis, and central idea.
- Memorise important lines from prescribed poems for direct quote questions.
English Preparation
- Read all chapters of First Flight and Footprints Without Feet — character names, events, and themes must be clear.
- Revise Active and Passive Voice, Tenses, and Reported Speech daily for two weeks.
- Practice formal letter writing with the correct BSEB format — a wrongly formatted letter loses layout marks even if the content is correct.
- Attempt two unseen comprehension passages per week to build reading speed and inference ability.
- Learn the formats for informal letters, notices, and paragraph writing before the exam.
Sanskrit Preparation
- Memorise all dhatu roop (verb conjugations) for at least 10 common roots — these are direct-mark questions.
- Practise shabd roop for masculine (Ram), feminine (Lata), and neuter (Phal) nouns in all seven cases.
- Practice Hindi-to-Sanskrit and Sanskrit-to-Hindi translation daily — translation carries 15 marks and is fully practice-based.
- Revise the Sandhi and Samas sections with examples — 8–10 marks come from grammar identification.
Bihar Board Class 10 Syllabus 2027 FAQs
Is the Bihar Board Class 10 2027 syllabus the same as the 2026 syllabus?
Yes. BSEB confirmed no changes to the Class 10 syllabus for the 2026–27 academic year. The rationalised syllabus introduced after 2020 continues.
Download the official 2026–27 syllabus PDF from biharboardonline.bihar.gov.in to verify subject-wise chapters before starting preparation.
How many subjects are there in Bihar Board Class 10 2027?
There are five compulsory subjects: Hindi, English, Mathematics, Science, and Social Science. One optional third language is also chosen — Sanskrit, Maithili, Urdu, Arabic, Persian, Music, or Home Science.
Total compulsory marks = 500 (100 per subject).
Which subject has the highest weightage in Bihar Board Class 10?
All five compulsory subjects carry 100 marks each, so no single subject dominates by marks. Mathematics and Science are typically considered the most important for students planning to pursue the Science stream in Class 11.
Algebra in Maths and Chemistry in Science are the highest-weightage individual units within their subjects.
Is NCERT enough for Bihar Board Class 10 preparation?
Yes. NCERT textbooks are the prescribed source for all five subjects in Bihar Board Class 10. The board paper is almost entirely NCERT-based.
Reference books like R.D. Sharma for Maths practice or Lakhmir Singh for Science diagrams can be used, but core preparation must come from NCERT.
Where can I download the Bihar Board Class 10 2027 syllabus PDF?
Download the official Bihar Board Class 10 2027 syllabus PDF from biharboardonline.bihar.gov.in. Go to the Books or Academic section, select Class 10, and choose the subject.
The 2026–27 syllabus PDF is already available on the site.
When will Bihar Board Class 10 2027 theory exams be held?
Bihar Board Class 10 theory exams for 2027 are expected from February 17 to February 25, 2027, in two shifts: 9:30 AM–12:45 PM and 2:00 PM–5:15 PM.
Practical exams are expected on January 21–22, 2027. The official timetable will be released by BSEB in October/November 2026.
Has the Bihar Board Class 10 syllabus been reduced for 2027?
No new reduction has been announced for 2027. BSEB already rationalised the syllabus in 2020–21 and has maintained that version since.
The 2026–27 syllabus covering the 2027 exams follows the same rationalised structure. Check the official BSEB PDF for the exact list of included chapters.
What are the most important chapters in Science for Bihar Board Class 10?
Chemistry units carry the highest weightage within Science. Focus on Chemical Reactions and Equations, Acids Bases and Salts, and Carbon and its Compounds.
In Physics, Light – Reflection and Refraction and Electricity are significant. In Biology, Life Processes and Control and Coordination are key chapters.
High-Weightage Chapters in Bihar Board Class 10 Science
In Chemistry, the chapters Chemical Reactions and Equations, Acids Bases and Salts, and Carbon and Its Compounds carry the most marks. In Biology, Life Processes and Reproduction are consistently high-weightage chapters.
In Physics, Electricity and Light (Reflection and Refraction) appear every year with multiple questions. Together, these six chapters account for over 50 marks in the theory paper.
Recommended Books for Social Science
Follow all four NCERT textbooks for Social Science. These are India and the Contemporary World II (History), Contemporary India II (Geography), Democratic Politics II (Political Science), and Understanding Economic Development (Economics).
Study the Disaster Management content from the BSEB-prescribed material as well. It carries approximately 6 marks and is a Bihar Board-specific addition.
Is Sanskrit Compulsory in Class 10?
Sanskrit is not compulsory for all students. It is one of several optional third language choices available.
Students can choose Maithili, Urdu, Arabic, Persian, Music, or Home Science as the optional subject instead. Many students choose Sanskrit because it is structured and scoring, as grammar and translation questions are predictable with consistent practice.
6-Month Study Plan for the Full Syllabus
Start the first reading in August 2026 and finish all subjects by October 2026. Use October and November for chapter-wise notes and solving NCERT exercises.
In December and January, focus on previous year BSEB papers and full-length mock tests. In February before the exam, do rapid revision of formulae, diagrams, grammar rules, and essay formats only.
Spend the most time on Mathematics and Science. These subjects require daily practice rather than revision sprints.
Internal Assessment and Practical Marks
Yes, internal assessment and practical marks are included in the Bihar Board Class 10 result. Science has a practical examination worth 20 marks conducted in January 2027.
Mathematics has an internal assessment component of 20 marks awarded by the school. The school submits these marks to BSEB.
Internal and practical marks are relatively easier to score than theory marks. Do not neglect practical preparation for Science.
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.
Bihar Board Class 10 Syllabus 2027: Key Details
The Bihar School Examination Board (BSEB) has not changed the Class 10 syllabus for the 2027 exams. The rationalised syllabus introduced after 2020 remains in effect. Students should download the official syllabus PDF from biharboardonline.bihar.gov.in to verify the subject-wise chapters.
Subjects and Marks Distribution
There are five compulsory subjects in the Bihar Board Class 10 exam. Each subject carries 100 marks, making the total compulsory marks 500.
- Hindi
- English
- Mathematics
- Science
- Social Science
Students must also choose one optional third language from the following list:
- Sanskrit
- Maithili
- Urdu
- Arabic
- Persian
- Music
- Home Science
Subject Weightage and Important Topics
All five compulsory subjects carry equal marks, so no single subject dominates by weightage. Mathematics and Science are often considered important for students planning to take the Science stream in Class 11.
In Science, certain chapters carry more marks than others. The following chapters together account for over 50 marks in the theory paper:
- Chemistry: Chemical Reactions and Equations, Acids Bases and Salts, Carbon and Its Compounds
- Biology: Life Processes, Reproduction
- Physics: Electricity, Light (Reflection and Refraction)
In Mathematics, Algebra is the highest-weightage unit. In Science, Chemistry is the highest-weightage unit.
Recommended Books
NCERT textbooks are the prescribed source for all five subjects. The board paper is almost entirely NCERT-based. Reference books can be used for extra practice, but core preparation must come from NCERT.
- Mathematics: R.D. Sharma for practice
- Science: Lakhmir Singh for diagrams
- History: India and the Contemporary World II
- Geography: Contemporary India II
- Political Science: Democratic Politics II
- Economics: Understanding Economic Development
For Social Science, students must also study the Disaster Management content from BSEB-prescribed material. This section carries approximately 6 marks and is specific to the Bihar Board.
Optional Subject: Sanskrit
Sanskrit is not compulsory for all students. It is one of several optional third language choices. Many students choose Sanskrit because its grammar and translation questions are predictable with consistent practice.
Exam Dates and Timings
Bihar Board Class 10 theory exams for 2027 are expected to be held from February 17 to February 25, 2027. The exams are conducted in two shifts.
| Exam Type | Expected Dates | Timing |
|---|---|---|
| Theory exams | February 17-25, 2027 | 9:30 AM - 12:45 PM and 2:00 PM - 5:15 PM |
| Practical exams | January 21-22, 2027 | - |
The official timetable will be released by BSEB in October or November 2026.
Internal Assessment and Practical Marks
Science has a practical examination worth 20 marks, conducted in January 2027. Mathematics has an internal assessment component of 20 marks awarded by the school. Schools submit these marks to BSEB.
Preparation Strategy for 6 Months
A six-month preparation plan can cover the full syllabus effectively. The plan below outlines a month-wise approach.
| Time Period | Activity |
|---|---|
| August 2026 | Start first reading of all subjects |
| By October 2026 | Finish all subjects |
| October - November | Prepare chapter-wise notes and solve NCERT exercises |
| December - January | Solve previous year BSEB papers and take full-length mock tests |
| February | Rapid revision of formulae, diagrams, grammar rules, and essay formats |
Most time should be spent on Mathematics and Science, as these subjects require daily practice rather than revision sprints.
Syllabus Reduction Status
No new reduction has been announced for the 2027 exams. BSEB rationalised the syllabus in 2020-21 and has maintained that version since. The 2026-27 syllabus covering the 2027 exams follows the same rationalised structure.
Downloading the Syllabus PDF
The official Bihar Board Class 10 2027 syllabus PDF is available on biharboardonline.bihar.gov.in. Navigate to the Books or Academic section, select Class 10, and choose the subject. The 2026-27 syllabus PDF is already available on the site.
