It is so much easier to prepare for the CBSE 2026 Board Exams when you have a clue of what to study first. Numerous students begin to study randomly and become stressed afterwards. However, revision is quicker, simpler and more profitable when you adhere to a correct sequence.
In this blog, you will be learn the most important chapters to begin with in Class 10 and Class 12. You will also know how such tools as CBSE Class 12 sample paper 2025-26, CBSE Sample Paper Class 10, last year question paper class 10, and class 12 CBSE previous year question paper can help you prepare in a smarter manner.
Why Is It Important to Know What to Study First?
The selection of the right starting chapters can:
• Build your confidence
• Make future topics easier
• Help you revise faster
• Reduce exam pressure
• Improve your scores
This is also a good way to begin with the scoring chapters and have a high chance of scoring high marks at the beginning of the exam.
Important Chapters to Study First, subject-wise (CBSE 2026)
The following are the topics and the chapters that you should start with. The ranking is done according to the ability to score, ease and practicality in board exams.
1. Science (Class 10)
Physics, Chemistry, and Biology are a combination of science. You should start with chapters which will provide fast knowledge and good grades.
Start With These Chapters First:
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Chemical Reactions and Equations
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Life Processes
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Electricity
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Acids, Bases, and Salts
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Magnetic Effects of Electric Current
These chapters carry strong weightage and are easy to revise.
2. Mathematics (Class 10)
Math becomes simple if you start with chapters that have formulas and clear rules.
Start With These Chapters First:
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Real Numbers
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Polynomials
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Triangles
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Quadratic Equations
-
Statistics
These chapters are highly scoring and appear almost every year in the exam.
3. Social Science (Class 10)
Social Science is huge. So starting with important and easy topics saves time.
Start With These Chapters First:
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Power Sharing (Civics)
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Resources and Development (Geography)
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Development (Economics)
-
Nationalism in India (History)
These chapters give a good start and increase your overall confidence.
4. English (Class 10)
English scoring depends on understanding stories, poems, and grammar.
Start With:
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Letter Writing & Analytical Paragraph (scoring tasks)
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A Triumph of Surgery
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Dust of Snow
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Amanda
These chapters are simple and help you gain quick marks.
What to Study First – Class 10 Subject-Wise Important Chapters
|
Subject |
Start With These Chapters First |
|
Science |
Chemical Reactions, Life Processes, Electricity |
|
Maths |
Real Numbers, Polynomials, Triangles |
|
Social Science |
Power Sharing, Development, Resources |
|
English |
Writing Skills, Dust of Snow, Triumph of Surgery |
Subject-Wise Important Chapters to Study First (Class 12)
1. Physics
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Electrostatics
-
Current Electricity
-
Ray Optics
-
Atoms and Nuclei
These are highly scoring chapters and form the base for other topics.
2. Chemistry
-
Solutions
-
Electrochemistry
-
Chemical Kinetics
-
p-Block Elements
These chapters are moderate and appear every year.
3. Mathematics
-
Relations and Functions
-
Continuity and Differentiability
-
Integrals
-
Probability
These are scoring and concept-based.
4. English
-
Notice Writing & Letter Writing
-
The Last Lesson
-
Deep Water
-
Aunt Jennifer’s Tigers
What to Study First – Class 12 Subject-Wise Important Chapters?
|
Subject |
Start With These Chapters First |
|
Physics |
Electrostatics, Optics, Atoms |
|
Chemistry |
Solutions, Electrochemistry, Kinetics |
|
Maths |
Relations, Integrals, Probability |
|
English |
Writing Skills, The Last Lesson |
How to Decide Which Chapters to Study First?
Here are some easy rules:
• Begin with simple and easy chapters.
• Select annually recurring chapters.
• Whole subjects that are useful in other chapters.
• Write first in languages.
• Simple to moderate to difficult chapters.
In this manner, your brain will remain active and motivated.
How Sample Papers & Previous Year Papers Help You?
With the help of such papers as CBSE Sample Paper Class 10, CBSE Class 12 Sample Paper 2025-26, last year question paper class 10, and class 10 CBSE previous year question paper, you can realise that:
• Question patterns
• Important topics
• Frequently asked questions
• Categories of reasoning based questions.
A lot of students have a score of 90 and above because they practice these papers immediately they complete the significant chapters.
FAQs
Q1: Which subject should I start first for CBSE 2026?
Start with the subject you feel comfortable with. Most students begin with Science or Maths because the early chapters are easy and scoring. Once you complete a few simple chapters, your speed increases.
Q2: Is it okay to skip hard chapters in the beginning?
Yes. When you start with difficult chapters, you may feel stressed. First finish the easier and important ones. Later you can come back to tough chapters with better understanding.
Q3: How do I know which chapters are most important?
You can check chapters that appear every year in exams. Even tools like last year question paper class 10 and class 10 cbse previous year question paper show repeated questions. These papers help you identify high-weightage topics easily.
Q4: Can sample papers help me decide what to study?
Yes! When you practice CBSE Sample Paper Class 10 or cbse class 12 sample paper 2025-26, you will notice which chapters have more questions. This tells you what to focus on early in your preparation.
Q5: How early should I start preparing for the 2026 board exams?
Starting 6–8 months before the exam is the best. It gives you enough time for:
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Chapter-wise learning
-
Revision
-
Sample paper practice
-
Doubt clearing
If you start early and follow a plan, scoring 90+ becomes very easy.
Final Tips for CBSE 2026 Board Exam Preparation
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Begin with scoring chapters
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Study for short time blocks
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Make simple notes
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Practice diagrams, maps, and formulas daily
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Use previous year papers to revise
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Keep your study routine simple and consistent


