At Aakash Institute, where lakhs of students have been successful in their board and competitive exams through guidance, the one pattern is very clear: students who give priority to scoring subjects and high-weight topics are almost always able to get better results than those who give the same importance to all the subjects.
The blog essentially discusses the top CBSE Class 12 subjects for scoring, the key topics to focus on, and the role of the sample paper class 12 cbse 2025-26 in significantly raising the percentages.
CBSE Class 12 Exam Pattern 2026
Recently, CBSE has officially shifted its evaluation focus from memorising to understanding through application. The latest exam pattern, as seen in the sample paper class 12 CBSE 2025-26, endorses this change.
CBSE Marking Pattern Overview
| Question Type | Approximate Weightage |
| Competency-based (case/source-based) | 50% |
| MCQs | 20% |
| Subjective (short & long answers) | 30% |
This pattern makes concept clarity, NCERT-based preparation, and structured answer writing crucial for scoring high in the cbse exam class 12.
Also Read:
- CBSE Class 12 Board Exam 2026 – Complete Guide & Updates
- CBSE Class 12 Syllabus 2026 PDF – Subject-wise Curriculum
Top Scoring CBSE Class 12 Subjects (Based on Previous Results & Trends)
1. Chemistry – The Most Reliable High-Scoring Subject
Chemistry consistently records the highest number of 100/100 scores among science subjects in CBSE Class 12 results.
Why Chemistry Scores Well?
- Questions strictly from NCERT
- Predictable question patterns
- Balanced theory + numericals
- Direct application-based questions
Main Chemistry Topics to Target
| Unit | Why It Scores |
| Organic Chemistry (Named Reactions) | Direct NCERT questions |
| Electrochemistry | Formula-based numericals |
| Chemical Kinetics | Repetitive patterns |
| Coordination Compounds | Conceptual but predictable |
| Biomolecules | Theory-heavy, easy marks |
2. Computer Science / Informatics Practices – Extremely High Scoring
Elective subjects like Computer Science and Informatics Practices often outperform even core subjects in average scores.
Why These Subjects Are Scoring
- Limited syllabus
- Logical, step-based questions
- High practical and internal marks
High-Scoring Topics
| Topic | Scoring Advantage |
| Python Programming | Step-wise marking |
| SQL Queries | Direct output-based |
| Data Structures | Concept clarity = marks |
| Networking Basics | NCERT-driven |
3. Biology – High Percentage with the Right Strategy
Biology becomes highly scoring when answers are diagram-based, keyword-focused, and NCERT-aligned.
Main Biology Topics to Focus On
- Genetics & Evolution
- Biotechnology
- Human Physiology
- Ecology & Environment
Board examiners reward accurate diagrams, underlined keywords, and structured answers, not lengthy paragraphs.
4. Mathematics – High Scoring for Practised Students
Mathematics has a large number of full scorers every year, but only among students who practise consistently.
High-Weight Maths Topics
| Unit | Importance |
| Calculus | Highest weightage |
| Probability | Concept-based |
| Vectors & 3D Geometry | Repetitive patterns |
| Relations & Functions | Short questions |
Regular practice using the sample paper class 12 cbse 2025-26 helps identify common mistakes and improve speed.
Students Can Also Check Subject-Wise NCERT Solutions:
| NCERT Solutions Class 12 | NCERT Solutions for Class 12 – All Subjects Explained |
| NCERT Biology Class 12 | NCERT Solutions for Class 12 Biology – Chapter-wise Answers |
| NCERT Chemistry Class 12 | NCERT Solutions for Class 12 Chemistry – Concepts & Numericals |
| NCERT Maths Class 12 | NCERT Solutions for Class 12 Maths – Step-by-Step Solutions |
| NCERT Physics Class 12 | NCERT Solutions for Class 12 Physics – Theory & Numericals |
| NCERT English Class 12 | NCERT Solutions for Class 12 English – Prose & Poetry |
| RD Sharma Maths Solutions | RD Sharma Solutions for Class 12 Maths – Complete Chapter-wise Guide |
How Sample Paper Class 12 CBSE 2025-26 Improves Scores
Official CBSE sample papers help students:
- Understand the real exam structure
- Decode marking schemes
- Identify high-weight chapters
- Practise competency-based questions
At Aakash Institute, sample paper analysis is used as a final-stage scoring tool, not just practice material.
| CBSE Class 12 Sample Papers | CBSE Class 12 Sample Papers 2026 with Solutions |
| CBSE Class 12 Mock Tests | CBSE Class 12 Mock Test Papers & Answer Solutions |
Subject-Wise Strategy to Score 90%+
- Chemistry → NCERT line-by-line
- Biology → Diagrams + keywords
- Physics → Concept clarity + numericals
How to Score 90% in Class 12 Board Exams: Expert Guide for CBSE Students
Smart Tips to Score Higher in CBSE Exam Class 12
- Practise sample paper class 12 cbse 2025-26 regularly
- Focus on competency-based questions
- Master NCERT diagrams and definitions
- Maintain a neat answer presentation
- Analyse previous year score trends
Conclusion
Scoring high in class 12 cbse exam is not about the “easy” subjects at all. It’s more about locating high-yield topics, grasping the exam pattern, and cleverly using the official resources.
Following a systematic study plan, regularly practising sample paper class 12 cbse 2025-26, and implementing the same expert-led strategies as at Aakash Institute, it is completely feasible to score 90%+ in boards.
| Related Resources | Quick Access Links |
|---|---|
| NEET Exam | NEET Exam 2026 – Eligibility, Syllabus & Preparation Strategy |
| JEE Main Exam | JEE Main Exam 2026 – Dates, Syllabus & Exam Pattern |
| JEE Main Rank Predictor | JEE Main Rank Predictor – Check Expected All India Rank |
| JEE Main College Predictor | JEE Main College Predictor – Know Your College Options |
FAQs
Which is the most scoring subject in CBSE Class 12?
From the analysis of CBSE result trends, subjects like Chemistry have been identified as the highest-scoring ones.
Do CBSE sample papers matter for boards 2026?
Definitely. They are very useful in getting familiar with the exam pattern, marking schemes, and the common/repeated concepts.
Is it possible for Physics to be a scoring subject in CBSE Class 12?
It is possible only if the student has a sound understanding of concepts and consistently practices numerical problems.
