JAC Board Class 10 Syllabus 2027 is prescribed by the Jharkhand Academic Council (JAC), Ranchi. It covers all government and private-aided schools in Jharkhand for the 2026–27 academic session. The syllabus includes six core subjects — Mathematics, Science, Social Science, Hindi, English, and a Third Language. It follows the NCERT and JCERT (Jharkhand Council of Educational Research and Training) framework. Download the official JAC Class 10 Syllabus 2027 PDF from jac.jharkhand.gov.in and plan your preparation before the February 2027 board exams.
- The JAC Class 10 2027 syllabus covers 6 core subjects: Mathematics, Science, Social Science, Hindi, English, and a Third Language (Sanskrit/Urdu/Bengali).
- Each subject carries 100 marks total — 80 marks theory and 20 marks internal assessment or practical.
- The entire syllabus is based on NCERT and JCERT textbooks for Class 9 and Class 10.
- Mathematics covers 14 chapters across 7 units — from Real Numbers to Probability. Algebra carries the highest unit-wise weightage at 25%.
- Science covers 14 chapters spanning Physics, Chemistry, and Biology within a single integrated paper.
- Social Science is split into four equal sections: History, Political Science, Geography, and Economics, each worth approximately 20 marks.
- The official JAC Class 10 2027 syllabus PDF is available at jac.jharkhand.gov.in.
You must download and read the official JAC Board Class 10 Syllabus 2027 before starting preparation — it clearly defines which topics are in scope for the February 2027 exam.
| Download JAC Board Class 10 Syllabus 2027 PDF |
JAC Board Class 10 Syllabus 2027: Subject-wise PDF Download
The Jharkhand Academic Council has published the JAC Class 10 Syllabus 2027 on its official website. You can download subject-wise PDFs directly from the table below.
| Subject | JAC Class 10 Syllabus PDF 2027 |
|---|---|
| Mathematics | JAC Class 10 Mathematics Syllabus PDF |
| Science | JAC Class 10 Science Syllabus PDF |
| Social Science | JAC Class 10 Social Science Syllabus PDF |
| Hindi | JAC Class 10 Hindi Syllabus PDF |
| English | JAC Class 10 English Syllabus PDF |
| Sanskrit / Third Language | JAC Class 10 Sanskrit Syllabus PDF |
JAC Board Class 10 Syllabus 2027: Overview
The JAC Board Class 10 Syllabus 2027 is issued by the Jharkhand Academic Council for the 2026–27 session. JCERT develops the curriculum in alignment with NCERT guidelines. All six subjects carry equal total marks.
| Parameter | Details |
|---|---|
| Conducting Body | Jharkhand Academic Council (JAC), Ranchi |
| Exam Name | JAC Board Class 10 (Secondary) Examination 2027 |
| Academic Session | 2026–27 |
| Syllabus Framework | NCERT / JCERT (Jharkhand Board prescribed) |
| Total Compulsory Subjects | 6 (Mathematics, Science, Social Science, Hindi, English, Third Language) |
| Marks per Subject | 100 (80 Theory + 20 Internal Assessment or Practical) |
| Theory Paper Duration | 3 hours to 3 hours 15 minutes (subject-wise) |
| Minimum Passing Marks | 33% in each subject (26/80 in theory + 7/20 in internal assessment) |
| Medium of Instruction | Hindi and English (bilingual question papers for most subjects) |
| Official Website | jac.jharkhand.gov.in |
JAC Board Class 10 2027: Important Dates
The table below lists key events for JAC Board Class 10 2027. Upcoming events appear first in chronological order. Events already completed appear after them.
| Event | Expected Date | Status |
|---|---|---|
| Practical / Internal Assessment Exams | January 2027 | Upcoming |
| Admit Card Release | January 2027 | Upcoming |
| JAC Class 10 Theory Board Examinations | February 2027 | Upcoming |
| Result Declaration | May 2027 (Expected) | Upcoming |
| Official Syllabus Released (2026–27) | July 2026 | Over |
| Student Registration / Enrollment | August–September 2026 | Over |
Note: All upcoming dates are expected based on previous year patterns. JAC will publish exact dates on jac.jharkhand.gov.in.
JAC Board Class 10 Mathematics Syllabus 2027
The JAC Class 10 Mathematics syllabus 2027 covers 14 chapters across 7 units. The syllabus is entirely NCERT Class 10 based. Algebra is the highest-weightage unit at 25% of total theory marks. You should complete all NCERT exercises for every chapter before moving to reference books.
| Unit | Chapter(s) | Key Topics |
|---|---|---|
| Unit 1: Number Systems | Chapter 1: Real Numbers | Sub-topics of Unit 1 — Click Here Euclid’s Division Lemma; Fundamental Theorem of Arithmetic; Revisiting Irrational Numbers; Decimal Representation of Rational Numbers |
| Unit 2: Algebra | Chapter 2: Polynomials; Chapter 3: Pair of Linear Equations in Two Variables; Chapter 4: Quadratic Equations; Chapter 5: Arithmetic Progressions | Sub-topics of Unit 2 — Click Here Zeros of Polynomials; Relationship between Zeros and Coefficients; Graphical and Algebraic Methods for Linear Equations; Substitution, Elimination and Cross-Multiplication Methods; Quadratic Formula; Discriminant and Nature of Roots; nth Term of AP; Sum of n Terms of AP |
| Unit 3: Coordinate Geometry | Chapter 6: Coordinate Geometry | Sub-topics of Unit 3 — Click Here Distance Formula; Section Formula (Internal and External Division); Area of a Triangle using Coordinates; Collinearity of Three Points |
| Unit 4: Geometry | Chapter 7: Triangles; Chapter 8: Circles | Sub-topics of Unit 4 — Click Here Similar Triangles; Basic Proportionality Theorem (Thales Theorem); Criteria for Similarity; Areas of Similar Triangles; Pythagoras Theorem and its Converse; Tangent to a Circle; Number of Tangents from an External Point; Tangent–Radius Perpendicularity |
| Unit 5: Trigonometry | Chapter 9: Introduction to Trigonometry; Chapter 10: Some Applications of Trigonometry | Sub-topics of Unit 5 — Click Here Trigonometric Ratios (sin, cos, tan, cosec, sec, cot); Standard Angles (0°, 30°, 45°, 60°, 90°); Complementary Angles; Trigonometric Identities; Heights and Distances; Angle of Elevation; Angle of Depression |
| Unit 6: Mensuration | Chapter 11: Areas Related to Circles; Chapter 12: Surface Areas and Volumes | Sub-topics of Unit 6 — Click Here Perimeter and Area of a Circle; Area of Sector and Segment; Area of Combinations of Figures; Surface Area and Volume of Combinations of Solids (Cone, Cylinder, Sphere, Hemisphere, Frustum); Conversion of Solid from One Shape to Another |
| Unit 7: Statistics and Probability | Chapter 13: Statistics; Chapter 14: Probability | Sub-topics of Unit 7 — Click Here Mean of Grouped Data (Direct, Assumed Mean, Step Deviation Methods); Mode of Grouped Data; Median of Grouped Data; Cumulative Frequency Distribution; Ogive; Classical Definition of Probability; Simple Problems on Single Events |
JAC Class 10 Mathematics Chapter-wise Weightage 2027
| Unit | Marks (Theory, out of 80) | Approx. Weightage |
|---|---|---|
| Number Systems | 6 | 7.5% |
| Algebra | 20 | 25% |
| Coordinate Geometry | 6 | 7.5% |
| Geometry | 15 | 18.75% |
| Trigonometry | 12 | 15% |
| Mensuration | 10 | 12.5% |
| Statistics and Probability | 11 | 13.75% |
| Total | 80 | 100% |
JAC Board Class 10 Science Syllabus 2027
The JAC Class 10 Science syllabus 2027 covers 14 chapters. Physics, Chemistry, and Biology are tested in a single integrated paper. Theory carries 80 marks and practicals carry 20 marks. Biology chapters carry approximately 35% of theory marks — do not overlook them.
| Section | Chapter | Key Topics |
|---|---|---|
| Chemistry | Chapter 1: Chemical Reactions and Equations | Sub-topics — Click Here Types of Chemical Reactions; Balancing Chemical Equations; Oxidation and Reduction; Corrosion; Rancidity |
| Chemistry | Chapter 2: Acids, Bases and Salts | Sub-topics — Click Here Properties of Acids and Bases; pH Scale; Importance of pH in Everyday Life; Salts — Preparation and Uses; Bleaching Powder; Baking Soda; Washing Soda; Plaster of Paris |
| Chemistry | Chapter 3: Metals and Non-metals | Sub-topics — Click Here Physical and Chemical Properties of Metals and Non-metals; Reactivity Series; Extraction of Metals; Properties of Ionic Compounds; Corrosion and its Prevention |
| Chemistry | Chapter 4: Carbon and Its Compounds | Sub-topics — Click Here Covalent Bonding; Versatile Nature of Carbon; Homologous Series; IUPAC Nomenclature; Chemical Properties of Carbon Compounds; Ethanol; Ethanoic Acid; Soaps and Detergents |
| Biology | Chapter 5: Life Processes | Sub-topics — Click Here Nutrition (Autotrophic and Heterotrophic); Respiration; Transportation in Plants and Animals; Excretion in Plants and Animals; Human Excretory System |
| Biology | Chapter 6: Control and Coordination | Sub-topics — Click Here Nervous System in Humans; Reflex Action and Reflex Arc; Sense Organs; Hormones in Animals; Endocrine Glands; Tropic and Non-tropic Movements in Plants |
| Biology | Chapter 7: How do Organisms Reproduce? | Sub-topics — Click Here Importance of Variation; Asexual Reproduction (Fission, Fragmentation, Regeneration, Budding, Vegetative Propagation, Spore Formation); Sexual Reproduction in Flowering Plants; Human Reproductive System; Reproductive Health |
| Biology | Chapter 8: Heredity | Sub-topics — Click Here Mendel’s Laws of Inheritance; Monohybrid and Dihybrid Crosses; Sex Determination; Variations and Mutations; Basic Concepts of Evolution |
| Physics | Chapter 9: Light — Reflection and Refraction | Sub-topics — Click Here Laws of Reflection; Spherical Mirrors; Mirror Formula; Magnification; Laws of Refraction (Snell’s Law); Refractive Index; Lens Formula; Power of a Lens |
| Physics | Chapter 10: The Human Eye and the Colourful World | Sub-topics — Click Here Structure of the Human Eye; Power of Accommodation; Defects of Vision (Myopia, Hypermetropia, Presbyopia); Atmospheric Refraction; Dispersion of White Light; Scattering of Light; Tyndall Effect |
| Physics | Chapter 11: Electricity | Sub-topics — Click Here Electric Current and Circuit; Potential Difference; Ohm’s Law; Resistance; Factors Affecting Resistance; Series and Parallel Circuits; Heating Effect of Electric Current; Electric Power; Commercial Unit of Energy |
| Physics | Chapter 12: Magnetic Effects of Electric Current | Sub-topics — Click Here Magnetic Field and Field Lines; Field due to Current in a Straight Wire and Circular Loop; Solenoid; Force on a Current-Carrying Conductor; Fleming’s Left-Hand Rule; Electric Motor; Electromagnetic Induction; Generator; Domestic Electric Circuits; Safety Devices |
| Biology | Chapter 13: Our Environment | Sub-topics — Click Here Ecosystem Components; Food Chains and Food Webs; Trophic Levels; Ozone Layer Depletion; Waste Management; Biodegradable and Non-biodegradable Substances |
| Biology | Chapter 14: Management of Natural Resources | Sub-topics — Click Here Conservation of Forests and Wildlife; Water Harvesting; Coal and Petroleum; Sustainable Management of Natural Resources; The Three R’s (Reduce, Reuse, Recycle) |
JAC Class 10 Science Chapter-wise Weightage 2027
| Section | Chapters | Approx. Marks (out of 80) | Weightage |
|---|---|---|---|
| Chemistry | Chapters 1–4 | 28 | 35% |
| Biology | Chapters 5–8, 13–14 | 28 | 35% |
| Physics | Chapters 9–12 | 24 | 30% |
| Total | 14 Chapters | 80 | 100% |
JAC Board Class 10 Social Science Syllabus 2027
The JAC Class 10 Social Science syllabus 2027 covers four sections of equal weightage. History, Political Science, Geography, and Economics each carry approximately 20 marks. The question paper contains 27 questions and is available in both Hindi and English medium. Geography includes compulsory map work.
| Section | NCERT Textbook | Chapters |
|---|---|---|
| History | India and the Contemporary World — II | Chapters — Click Here The Rise of Nationalism in Europe; Nationalism in India; The Making of a Global World; The Age of Industrialisation; Print Culture and the Modern World |
| Political Science | Democratic Politics — II | Chapters — Click Here Power Sharing; Federalism; Gender, Religion and Caste; Political Parties; Outcomes of Democracy |
| Geography | Contemporary India — II | Chapters — Click Here Resources and Development; Forest and Wildlife Resources; Water Resources; Agriculture; Minerals and Energy Resources; Manufacturing Industries; Lifelines of National Economy |
| Economics | Understanding Economic Development | Chapters — Click Here Development; Sectors of the Indian Economy; Money and Credit; Globalisation and the Indian Economy; Consumer Rights |
JAC Board Class 10 Hindi Syllabus 2027
The JAC Class 10 Hindi syllabus 2027 is based on two NCERT textbooks — Sparsh (Part 2) and Sanchayan (Part 2). The paper tests reading, writing, grammar, and literature. Grammar topics such as Vachya, Samas, and Ras appear consistently every year.
| Component | Textbook / Source | Topics Covered |
|---|---|---|
| Prose and Poetry | Sparsh (Part 2) | Contents — Click Here Kabir ke Dohe; Meera ke Pad; Bihari ke Dohe; Mahadevi Verma — selected extracts; Harivanshrai Bachchan — selected verses; prose extracts from Sparsh Part 2 chapters as prescribed by JAC for 2026–27 |
| Supplementary Reader | Sanchayan (Part 2) | Chapters — Click Here Harihar Kaka; Sapno ke se Din; Topi Shukla |
| Grammar (Vyakaran) | Prescribed Grammar Syllabus | Topics — Click Here Vachya (Active/Passive Voice); Pad Parichay (Word Analysis); Ras (Sentiment in Poetry); Upsarg and Pratyay; Samas (Compound Words — all types); Muhavare and Lokoktiyan (Idioms and Proverbs) |
| Writing (Lekhan) | Prescribed Writing Tasks | Formal and Informal Letter Writing; Paragraph Writing; Story Writing; Notice Writing; Advertisement Writing |
JAC Board Class 10 English Syllabus 2027
The JAC Class 10 English syllabus 2027 tests four skill areas — reading, writing, grammar, and literature. The theory paper carries 80 marks with a duration of 3 hours 15 minutes. Literature questions cover both NCERT prescribed textbooks.
| Section | Content | Marks |
|---|---|---|
| Section A: Reading | Unseen passages — factual, discursive, literary; note-making and summary | 20 |
| Section B: Writing | Letter Writing (formal and informal); Article or Speech; Paragraph; Application | 20 |
| Section C: Grammar | Gap Filling; Editing; Sentence Transformation; Tenses; Modals; Subject–Verb Agreement; Reported Speech | 15 |
| Section D: Literature — First Flight (Main Reader) | Prose and Poetry — Click Here Prose: A Letter to God; Nelson Mandela — Long Walk to Freedom; Two Stories about Flying; From the Diary of Anne Frank; The Hundred Dresses (Parts I and II); A Baker from Goa; Coorg; Tea from Assam; Mijbil the Otter; Madam Rides the Bus; The Sermon at Benares; The Proposal (Play). | 45 |
| Section D: Literature — Footprints Without Feet (Supplementary Reader) | Stories — Click Here 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; Bholi; The Book That Saved the Earth |
JAC Board Class 10 Sanskrit / Third Language Syllabus 2027
Every JAC Board Class 10 student must appear in a Third Language paper. Sanskrit is the most common choice. Other permitted third languages include Urdu, Bengali, Odia, and Ho. The Sanskrit paper follows the NCERT Shemushi Part 2 textbook. It carries 100 marks (80 theory + 20 internal assessment).
| Component | Content |
|---|---|
| Textbook — Prose and Verses | Shemushi Sanskrit Part 2 (NCERT Class 10) — prescribed prose and poetry chapters as specified by JAC for 2026–27 |
| Grammar (Vyakaran) | Grammar Topics — Click Here Sandhi (Vowel, Consonant, Visarga Sandhi); Shabd Roop — all genders (Nouns and Pronouns); Dhatu Roop — Lat, Lang, Lot, and Vidhi Ling Lakar; Samas (all types with examples); Upsarg and Pratyay; Karak-Vibhakti (all seven cases) |
| Translation | Sanskrit to Hindi (unseen passage); Hindi to Sanskrit (simple sentences) |
| Writing | Sanskrit Anuched Lekhan (Paragraph Writing); Patra Lekhan (Formal Letter in Sanskrit) |
JAC Board Class 10 Exam Pattern 2027
The JAC Board Class 10 2027 exam follows an 80+20 marks structure for every subject. The 80-mark theory paper combines an OMR-based objective section and a descriptive booklet section. You must pass both components separately — at least 26/80 in theory and 7/20 in internal assessment per subject.
Subject-wise Marks and Duration
| Subject | Theory Marks | Internal / Practical | Total Marks | Duration |
|---|---|---|---|---|
| Mathematics | 80 | 20 (Internal Assessment) | 100 | 3 hrs 15 min |
| Science | 80 | 20 (Practical) | 100 | 3 hrs 15 min |
| Social Science | 80 | 20 (Internal Assessment) | 100 | 3 hrs |
| Hindi | 80 | 20 (Internal Assessment) | 100 | 3 hrs 15 min |
| English | 80 | 20 (Internal Assessment) | 100 | 3 hrs 15 min |
| Sanskrit / Third Language | 80 | 20 (Internal Assessment) | 100 | 3 hrs |
JAC Class 10 Question Paper Pattern 2027
The theory paper for each subject follows a standardised question-type distribution. Objective questions are answered on an OMR sheet. Descriptive answers are written in the answer booklet.
| Question Type | Weightage in Theory Paper |
|---|---|
| Objective Type / One-Word Answer (OMR) | 30% |
| Very Short Answer Type (1–2 lines) | 20% |
| Short Answer Type (3–4 lines) | 25% |
| Long / Descriptive Answer Type | 25% |
Best Books for JAC Board Class 10 2027
The JAC Board Class 10 syllabus is entirely NCERT-based. Your NCERT textbook for each subject is the single most important resource. Supplement NCERT with the reference books listed below only after completing all NCERT exercises.
| Subject | Book Name | Author / Publisher | Why This Book |
|---|---|---|---|
| Mathematics | NCERT Mathematics Class 10 | NCERT | Primary source — all JAC Math chapters map exactly to this book |
| Mathematics | Mathematics Class 10 | R.D. Sharma / Dhanpat Rai | Extensive exercise bank; strong for Algebra and Geometry practice sets |
| Mathematics | Mathematics Class 10 | R.S. Aggarwal / S. Chand | MCQ and objective-type practice; useful for the OMR section |
| Science | NCERT Science Class 10 | NCERT | Covers the entire JAC Science syllabus; all direct questions originate here |
| Science | Science Part 1 and Part 2 | Lakhmir Singh and Manjit Kaur / S. Chand | Concept-wise explanations with diagrams; excellent for Physics and Chemistry numericals |
| Social Science | NCERT Social Science Set — all 4 books for Class 10 | NCERT | Directly mapped to JAC syllabus; map-based questions also drawn from Geography NCERT |
| Hindi | NCERT Sparsh and Sanchayan Class 10 | NCERT | Prescribed textbooks; all literature and comprehension questions come from these |
| English | First Flight and Footprints Without Feet | NCERT | Both books are mandatory; every Section D question comes from these two readers |
How to Download JAC Board Class 10 Syllabus 2027 PDF
Follow these steps to download the official JAC Class 10 Syllabus 2027 PDF directly from the Jharkhand Academic Council’s website.
- Visit the official website at jac.jharkhand.gov.in.
- Look for the "Academics" or "Syllabus" link in the top navigation menu.
- Click on Syllabus and then select Class 10 / Secondary from the dropdown or page list.
- A list of subject-wise syllabus PDFs will appear for the 2026–27 session.
- Click the subject PDF you need — it 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.
Note: If PDFs are not immediately visible under Syllabus, check the Notifications or Academic section of the JAC homepage for the 2026–27 session files.
JAC Board Class 10 2027: Preparation Strategy
The JAC Board Class 10 theory exams are expected in February 2027. As of September 2026, you have approximately five months. Use October–November for first reading, December for chapter-wise revision, and January 2027 for full-length mock tests and previous year papers.
Mathematics Preparation
- Begin with Algebra — it carries the highest weightage at 25%. Complete all four NCERT Algebra chapters before moving to other units.
- Practise Geometry theorems every day. Know the proof of Pythagoras Theorem — it is a common long-answer question in JAC Board papers.
- Memorise all Trigonometric identities. Solve at least 20 problems from the Applications chapter (heights and distances).
- Statistics — practise finding mean, median, and mode for grouped data. These problems follow a fixed method and are scoring.
- Use previous year JAC Board Class 10 Maths papers to understand exact question types in the OMR objective section.
Science Preparation
- Read the NCERT Science textbook cover-to-cover at least twice. Nearly all direct questions in JAC Science come from NCERT text.
- Draw and label key diagrams — Human Eye, Refraction through Lens, Human Reproductive System, Neuron. Diagram questions carry 3–5 marks each.
- Practise numerical problems in Electricity (Ohm’s Law, series/parallel resistance, power) and Light (mirror formula, lens formula, magnification).
- For practicals, understand all prescribed JAC experiments. Practical marks (20) can significantly improve your overall Science score.
Social Science Preparation
- History chapters are content-heavy. Make one-page notes with timelines and key events per chapter for fast revision.
- Map work carries dedicated marks in Geography. Practise locating all prescribed features on the India outline map every week.
- Political Science and Economics chapters are concept-based. Focus on definitions, examples, and key terms — they appear directly in short-answer questions.
- Attempt previous year JAC Social Science papers to understand how marks are distributed across all four sections.
Hindi and English Preparation
- Revise all poems and prose from Sparsh with their explanations (bhavarth). Grammar topics — Vachya, Samas, Ras — are compulsory and highly predictable.
- For English, practise writing tasks (letter, article, speech) every week. A well-structured response scores high marks regardless of content depth.
- In reading comprehension, underline keywords and write focused answers. Avoid long introductions in your responses.
- Revise all chapters from First Flight and Footprints Without Feet. At least one question appears from each chapter every year.
Sanskrit / Third Language Preparation
- Grammar (Vyakaran) is the most predictable section — memorise Shabd Roop and Dhatu Roop for all prescribed forms. These questions repeat almost identically year after year.
- Daily practice of Hindi-to-Sanskrit sentence translation builds speed and accuracy for the translation section.
- For Shemushi prose chapters, understand the story and key Sanskrit vocabulary — questions test both comprehension and word knowledge.
JAC Board Class 10 Syllabus 2027 FAQs
Ques. Is the JAC Board Class 10 2027 syllabus the same as last year?
Ans. Yes, the JAC Board Class 10 2027 syllabus is largely the same as the previous year. No major topic additions or deletions have been announced for the 2026–27 session as of September 2026. The syllabus continues to follow the NCERT and JCERT framework. Download the official PDF from jac.jharkhand.gov.in to confirm the latest topic list before starting preparation.
Ques. Which subject has the highest weightage in JAC Board Class 10?
Ans. All six subjects carry equal total marks — 100 each. No single subject outweighs the others overall. Within subjects, Algebra carries the highest unit-wise weightage in Mathematics at 25% of theory marks. In Science, Chemistry and Biology each contribute approximately 35% of the theory score.
Ques. Is NCERT enough for JAC Board Class 10 2027?
Ans. Yes. NCERT textbooks cover the entire JAC Board Class 10 syllabus. For Mathematics, additionally using R.D. Sharma or R.S. Aggarwal for extra practice is useful. For Science, Lakhmir Singh helps with numericals in Physics and Chemistry. For Social Science, Hindi, and English, NCERT alone is sufficient to score well.
Ques. Where can I download the JAC Board Class 10 Syllabus 2027 official PDF?
Ans. You can download the official JAC Board Class 10 Syllabus 2027 PDF from the Jharkhand Academic Council’s website at jac.jharkhand.gov.in. Navigate to the Academics or Syllabus section and select Class 10 to access subject-wise PDF links for the 2026–27 session.
Ques. Which are the most important chapters in JAC Board Class 10 Mathematics?
Ans. Based on previous year JAC Board papers, the most important chapters are: Pair of Linear Equations, Quadratic Equations, and Arithmetic Progressions (Algebra); Triangles and Circles (Geometry); Introduction to Trigonometry and Applications of Trigonometry; Statistics. Together, these chapters account for approximately 65–70% of total theory marks.
Ques. Has the JAC Board Class 10 syllabus been revised for 2027?
Ans. No major revisions have been announced for the JAC Board Class 10 2027 syllabus as of September 2026. The syllabus for the 2026–27 session follows the existing NCERT and JCERT framework unchanged. Always verify the latest notification on jac.jharkhand.gov.in for any mid-session updates.
Ques. How many subjects are in JAC Board Class 10 2027?
Ans. JAC Board Class 10 students appear in 6 subjects: Mathematics, Science, Social Science, Hindi, English, and a Third Language (Sanskrit, Urdu, Bengali, Odia, or Ho). Each subject carries 100 marks — 80 theory plus 20 internal assessment or practical.
Ques. What is the passing mark in JAC Board Class 10?
Ans. Students must score at least 33% in each subject to pass. This means a minimum of 26 marks out of 80 in the theory paper and 7 marks out of 20 in the internal assessment or practical. Both components must be cleared separately in each subject.
Ques. What books should I follow for Science in JAC Board Class 10?
Ans. NCERT Science Class 10 is the most important book for JAC Board Science. All theory questions are directly or indirectly drawn from NCERT. For additional practice in Physics and Chemistry — especially numericals and diagram-based questions — Lakhmir Singh and Manjit Kaur’s Science Part 1 and Part 2 are highly recommended.
Ques. When is the JAC Board Class 10 exam 2027?
Ans. The JAC Board Class 10 theory examinations 2027 are expected in February 2027. This is consistent with the previous year’s pattern. Practical examinations are typically conducted in January 2027. The official date sheet will be released by JAC on jac.jharkhand.gov.in a few weeks before the exam cycle begins.
Ques. Are practical marks added to the theory marks in JAC Board Class 10?
Ans. Yes. Each subject carries 20 marks for internal assessment or practicals. These marks are added to the 80-mark theory score to give a total of 100 marks per subject. For Science, the 20 marks cover lab practicals and practical notebooks. For other subjects, they cover internal tests, project work, and school-level assessments.
Ques. How should I cover the full JAC Board Class 10 syllabus before February 2027?
Ans. With five months available (October 2026 to February 2027), use this plan: October–November for first reading of all chapters and NCERT exercises; December for chapter-wise revision and practice questions; January 2027 for full-length mock tests and previous year JAC Board papers. Keep the last two weeks before exams exclusively for revision — do not start new topics then.
Source: Jharkhand Academic Council (JAC), Ranchi
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.








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