संक्षेप में: Chhattisgarh Board (CGBSE) 2027 — Class 10 में 75 marks theory + 25 marks internal assessment = 100। Class 12 में subject-wise pattern (Science: practical + theory, Commerce/Arts: theory + internal)। NCERT syllabus based। Hindi medium dominant। Exam Feb-Mar 2027। इस guide में Class 10 और Class 12 दोनों के important questions, paper pattern, और preparation strategy Hindi/Hinglish में।
Paper Pattern — CGBSE 2027
Class 10 Pattern
| Subject | Theory | Internal | कुल | Time |
|---|---|---|---|---|
| Maths | 75 | 25 | 100 | 3 hrs |
| Science | 75 | 25 | 100 | 3 hrs |
| Social Science | 75 | 25 | 100 | 3 hrs |
| Hindi | 75 | 25 | 100 | 3 hrs |
| English | 75 | 25 | 100 | 3 hrs |
Class 10 Key: 75 marks theory = other boards (80m) से 5 marks कम। Internal assessment 25 marks = project + periodic test + notebook। Pass marks 33%।
Class 12 Pattern
| Stream | Subject | Theory | Practical/Internal | कुल |
|---|---|---|---|---|
| Science | Physics | 60 | 40 (20 practical + 20 internal) | 100 |
| Science | Chemistry | 60 | 40 | 100 |
| Science | Biology | 60 | 40 | 100 |
| Science | Maths | 75 | 25 | 100 |
| Commerce | Accountancy | 75 | 25 | 100 |
| Commerce | Business Studies | 75 | 25 | 100 |
| Commerce | Economics | 75 | 25 | 100 |
| Arts | History | 75 | 25 | 100 |
| Arts | Political Science | 75 | 25 | 100 |
| Arts | Geography | 75 | 25 | 100 |
Class 10 — Subject-Wise Important Questions
गणित — Maths (75 Marks Theory)
Unit-Wise Weightage
| Unit | Topics | Approx Marks |
|---|---|---|
| Number Systems | Real Numbers | 5-6 |
| Algebra | Polynomials, Linear Eq., Quadratic, AP | 18-20 |
| Coordinate Geometry | Distance, Section formula | 5-6 |
| Geometry | Triangles, Circles, Constructions | 12-15 |
| Trigonometry | Intro + Heights & Distances | 10-12 |
| Mensuration | Areas, Surface Areas, Volumes | 8-10 |
| Statistics & Probability | Mean, Median, Probability | 8-10 |
Top 5 Guaranteed Questions
- BPT प्रमेय सिद्ध कीजिए — 5 marks हर साल
- Quadratic equation word problem (age/speed/area) — 5 marks
- AP का nth पद और योग word problem — 5 marks
- ऊँचाई-दूरी trigonometry — tower/building — 5 marks
- संयुक्त ठोस — बेलन+शंकु/गोला volume — 5 marks
Formulas Sheet
| Formula | Topic |
|---|---|
| x = [-b±√(b²-4ac)]/2a | Quadratic |
| aₙ = a+(n-1)d | AP |
| Sₙ = n/2[2a+(n-1)d] | AP Sum |
| √[(x₂-x₁)²+(y₂-y₁)²] | Distance |
| l+[(n/2-cf)/f]×h | Median |
विज्ञान — Science (75 Marks Theory)
CGBSE Science = 75 marks theory + 25 internal (includes practical marks)
Physics (~25 marks)
- अवतल दर्पण किरण आरेख (3-4 cases) — 5 marks
- विद्युत circuit numerical (Ohm's Law, Parallel) — 5 marks
- दृष्टि दोष + निवारण diagram — 5 marks
- विद्युत मोटर / जनित्र diagram — 5 marks
- प्रकाश का अपवर्तन — Snell's Law — 3 marks
Chemistry (~25 marks)
- रासायनिक अभिक्रियाओं के 5 प्रकार — 5 marks
- धातुओं का निष्कर्षण (भर्जन, निस्तापन) — 5 marks
- अम्ल-क्षार — pH scale + properties — 5 marks
- कार्बन यौगिक — functional groups + homologous series — 5 marks
- साबुनीकरण अभिक्रिया — 3 marks
Biology (~25 marks)
- मानव हृदय diagram + दोहरा परिसंचरण — 5 marks guaranteed
- Nephron diagram + मूत्र निर्माण — 5 marks
- मेंडल का monohybrid/dihybrid cross — 5 marks
- पुष्प diagram + परागण + निषेचन — 5 marks
- प्रकाश संश्लेषण equation + diagram — 3-5 marks
सामाजिक विज्ञान — SST (75 Marks Theory)
History (~18-20 marks)
- असहयोग आंदोलन — कारण + कार्यक्रम — 5 marks
- सविनय अवज्ञा — दांडी मार्च — 5 marks
- भारत में राष्ट्रवाद — full chapter important
- French Revolution / European Nationalism — 3-5 marks
- छत्तीसगढ़ का स्वतंत्रता संग्राम में योगदान — 3-5 marks ⭐
Geography (~18-20 marks)
- मिट्टी के प्रकार — 5 marks
- कृषि: धान, गेहूँ (छत्तीसगढ़ = धान का कटोरा) — 5 marks ⭐
- खनिज संसाधन — छत्तीसगढ़ के खनिज (iron ore, coal, bauxite) — 5 marks ⭐
- Map work — CG + India map — 3-5 marks
- ऊर्जा संसाधन — conventional vs non-conventional — 3-5 marks
Note: CGBSE में Chhattisgarh-specific questions = 8-10 marks!
Civics (~18-20 marks)
- बेल्जियम vs श्रीलंका — सत्ता की साझेदारी — 5 marks
- संघीय व्यवस्था — 5 marks
- राजनीतिक दल — भूमिका + सुधार — 5 marks
- लोकतंत्र के परिणाम — 3-5 marks
Economics (~15-18 marks)
- प्राथमिक/द्वितीयक/तृतीयक क्षेत्रक — 5 marks
- वैश्वीकरण — MNC + impact — 5 marks
- मुद्रा और साख — 3-5 marks
Hindi (75 Marks Theory)
CGBSE = Hindi medium dominant — Hindi paper scoring रहता है।
| Section | Marks |
|---|---|
| गद्य (Prose) | 15-18 |
| पद्य (Poetry) | 12-15 |
| व्याकरण (Grammar) | 18-22 |
| लेखन (Writing) | 18-22 |
Top Questions
- व्याकरण — संधि, समास, अलंकार, रस — 15-20 marks guaranteed
- निबंध — पर्यावरण / स्वच्छ भारत / डिजिटल इंडिया / छत्तीसगढ़ की संस्कृति — 5-7 marks ⭐
- पत्र लेखन — formal letter — 4-5 marks
- गद्य व्याख्या — 5 marks
- पद्य भावार्थ + काव्य सौंदर्य — 5 marks
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Class 12 — Subject-Wise Important Questions
Physics (60 Marks Theory)
- Coulomb's Law derivation + numerical — 5 marks
- Kirchhoff's Laws + Wheatstone Bridge — 5 marks
- Lens Maker's Formula — 5 marks
- AC Generator — diagram + working — 5 marks
- Photoelectric Effect — Einstein's equation — 5 marks
Chemistry (60 Marks Theory)
- Nernst Equation derivation + numerical — 5 marks
- Organic Name Reactions (Sandmeyer, Wurtz, Williamson) — 5-8 marks
- d-block elements — KMnO₄ preparation — 5 marks
- Coordination Compounds — IUPAC naming — 5 marks
- Solid State — unit cell calculations — 5 marks
Biology (60 Marks Theory)
- Monohybrid cross + Punnett Square — 5 marks
- Human Reproduction — male/female system diagram — 5 marks
- DNA Replication diagram — 5 marks
- rDNA Technology steps — 5 marks
- Ecological Succession — 5 marks
Maths (75 Marks Theory)
- Integration — by parts / partial fractions — 5-6 marks
- 3D Geometry — line equation + shortest distance — 5-6 marks
- Matrices — inverse by adjoint — 5 marks
- Differential Equations — variable separable — 5 marks
- Inverse Trigonometric Functions — 5 marks
Accountancy (75 Marks — Commerce)
- Partnership Admission — Capital + Goodwill — 8-10 marks
- Financial Statements (Company) — 10-12 marks
- Cash Flow Statement — 8-10 marks
- Issue of Shares — Forfeiture + Reissue — 8-10 marks
- Dissolution — Realisation Account — 5-8 marks
Business Studies (75 Marks — Commerce)
- Fayol's 14 Principles — 5-6 marks
- Taylor's Scientific Management — 5-6 marks
- Marketing Mix (4Ps) — 5-6 marks
- Maslow's Need Hierarchy — 5 marks
- Financial Management — Capital Structure — 5 marks
History (75 Marks — Arts)
- Mahatma Gandhi — National Movement — 8-10 marks
- Harappan Civilization — 5-6 marks
- 1857 Revolt — 5-6 marks
- Bhakti-Sufi Movement — 5-6 marks
- Constitution Making — 5-6 marks
Chhattisgarh-Specific Content ⭐
CGBSE exams में CG-specific questions = 8-15 marks across subjects:
| Subject | CG-Specific Topics |
|---|---|
| Hindi | छत्तीसगढ़ की संस्कृति, लोक कथाएँ, निबंध |
| SST-Geography | छत्तीसगढ़ के खनिज (iron, coal, bauxite), धान production |
| SST-History | छत्तीसगढ़ का स्वतंत्रता आंदोलन, tribal movements |
| Science | छत्तीसगढ़ के forests, biodiversity (CG has 44% forest cover) |
Tip: CG-specific topics = easy marks — state textbook supplement chapter thoroughly पढ़ो।
Preparation Strategy
Class 10 — Month-Wise Plan
| Month | Focus |
|---|---|
| Oct 2026 | NCERT complete + CG textbook supplement |
| Nov 2026 | Chapter-wise practice — high weightage first |
| Dec 2026 | Previous year CGBSE papers solve |
| Jan 2027 | Internal assessment complete + revision |
| Feb 2027 | Final revision + mock tests |
Class 12 — Month-Wise Plan
| Month | Focus |
|---|---|
| Oct 2026 | NCERT complete + notes |
| Nov 2026 | Subject-wise practice — numericals/derivations |
| Dec 2026 | Practical preparation (Science) + papers |
| Jan 2027 | Practical exams + theory revision |
| Feb-Mar 2027 | Theory exams — final revision |
Scoring Tips — CGBSE
- Hindi medium advantage — Hindi answers = comfortable expression = better marks
- 75 marks theory = 25 internal — internal easily 20+ with timely submissions
- CG-specific questions = bonus marks — supplement chapter memorize करो
- NCERT = Foundation — 85%+ questions directly from NCERT
- Grammar = guaranteed marks — Hindi grammar (संधि, समास, रस) = formula-based
- Diagram practice — Science diagrams neat बनाओ = full marks
- Previous year CGBSE papers — cgbse.nic.in से download करो
Related Guides
- Chhattisgarh Board CGBSE Class 10 Complete Guide
- Chhattisgarh Board Class 12 Preparation
- Chhattisgarh Board Date Sheet 2027
FAQ
CGBSE Class 10 में 75 marks theory — other boards से अलग क्यों?
CGBSE ने 75-25 pattern adopt किया — 75 marks theory + 25 marks internal (project + periodic test + notebook)। Other boards में 80+20 common है। 25 marks internal = आसान marks — timely submissions करो।
Hindi medium में answer लिखने से marks ज्यादा मिलते हैं?
Hindi medium answer = comfortable and detailed expression। Examiner भी Hindi medium checks comfortably। Presentation neat रखो, points format use करो, diagrams label करो = definitely better marks।
CGBSE में CG-specific questions कितने marks के होते हैं?
Class 10: 8-15 marks across subjects। Geography (CG minerals, agriculture), History (CG freedom movement), Hindi (CG culture essay) — ये questions easy होते हैं अगर CG supplement chapter पढ़ा है। Basically free marks हैं।
Class 12 Science practical + internal = 40 marks — guaranteed कितने?
अगर record file neat है, experiments practice किए हैं, और internal assessments timely submit = 35-40 marks easily। Practical = January, Internal = throughout year। School-based evaluation होती है — sincere students को full marks मिलते हैं।
Previous year CGBSE papers कहाँ मिलेंगे?
Official: cgbse.nic.in पर model papers। Previous years: school teachers से collect करो। Online PDF sources भी available। Minimum 3-5 years papers solve करो — CGBSE question pattern consistent रहता है।
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