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ISC Class 12 Previous Years Question Papers

99.34% of students passed the 2025 ISC Class 12 Board Exam. In 2025 alone, a total of 99,555 students appeared for the final exam. Now, you know how many students there are to compete with you to get a higher score and become a board topper. The level of preparation and practice required is immense, but this becomes a little easier with the help of the ISC previous year question papers​. This resource allows you to self-evaluate your current preparation level and get insights into which areas you need to improve.

Using this ISC study material, you become aware of your learning and the requirements of the board exam paper. Solving each paper gives you clarity on what the board is expecting from its students and how you can prepare for it. With the help of our expert team, SelfStudys is able to provide you with ISC Class 12 PYQs for free on the platform.

Subject-Wise Previous Year Question Paper ISC

In ISC, you have the freedom to choose the stream you want to study and pursue further, such as Science, Humanities, or Commerce. Each stream has some compulsory and elective subjects, too. Whatever subject you choose in your stream, you must study it thoroughly before the Annual Exam and practice the ISC Class 12 previous years question papers PDF, too.

Therefore, we are providing here the subject-wise ISC Class 12 previous years question papers PDF free download. Go through the link below to get them for free. Practicing the questions for each subject you have opted for will allow you to learn about your preparedness in that subject.

ISC Class 12 Exam Overview

The board exams are conducted once a year, when an academic session ends. The preferred exam mode is offline for a specific duration set by the Council for the Indian School Certificate Examinations for each subject. Go through the table below for more details on the ISC exam.

Particulars

Details

Board Name

Council for the Indian School Certificate Examination

Exam Mode

Offline (Pen-and-Paper-Based)

Streams

Science, Arts (Humanities), Commerce

Frequency of Board Exam

Annual

Exam Duration

Vary for each subject; usually 2 or 3 hours per paper

Maximum Marks

100 per subject (including internal assessment) 

Minimum Passing Marks

33

Is there negative marking?

No

ISC Class 12 previous year question papers​ direct link

At selfstudys.com 

ISC official website

https://cisce.org/examination/#isc 

ISC Class 12 Previous Year Question Papers​ From 2025-2012

Since the board exam is conducted every year, we have the previous year question paper ISC for almost all those years. Through the link we provide, you can access the papers from 2012 to 2025 in PDF format. In addition to this, we offer solutions for year-wise question papers for free. Now, you may be wondering that there are so many question papers to solve and very limited time for preparation, so how many papers should you solve? Experts often advise solving at least five years of question papers to get real insights into the question paper.

If you have more time to practice, you should solve all the ISC Class 12 previous years question papers with solutions that are available here. Each one of them will eventually help you improve your preparation and boost your confidence in the subject. Go through the link we shared to download the PDF year-wise for each subject.

ISC Previous Year Question Papers​ Structure

The ISC Class 12 Question Paper is divided into two parts—the Theory Paper and an Internal Assessment. The weightage for each part varies based on the subject. Here's a general structure and marking scheme of the ISC previous year question papers​. Note that most subjects are for a total of 100 marks.

ISC Class 12 Exam Weightage

Subject Category

Theory Paper Weightage

Practical/Project/Internal Assessment Weightage

Total Marks

Standard Subjects (Commerce, Humanities, Mathematics, Computer Science)

80 marks

20 marks

100 marks

Science Subjects (Physics, Chemistry, Biology, Environmental Science)

70 marks

30 marks

100 marks

English (Language & Literature)

80 marks

20 marks

100 marks for each paper

ISC Theory Question Paper Pattern: The Theory Paper for most subjects has a duration of 3 hours, which includes a mix of question types:

  • The question types are Objective questions (like Multiple Choice Questions or MCQs), Short Answer questions, Structured questions, and Long Answer/Essay-Type questions.
  • The entire question paper is divided into sections, and often Section A is compulsory, while another section may contain a choice of which questions to attempt.
  • The internal assessment for Science subjects is for 30 marks, which breaks down into a Practical Exam for 15 marks, Project Work for 10 marks, and a Practical File for 5 marks.
  • For non-science subjects, the internal assessment is for 20 marks only, which often includes the submission of a written assignment.

How to Download ISC Class 12 Previous Years Question Papers PDF for Free

It’s simple — just follow these steps to download the ISC Class 12 PYQs:

  1. Visit our official website, selfstudys.com, and browse the menu, also known as the navigation section.

ISC previous year question papers 

  1. Within the menu, you have several links; just click on the ‘Quick Links” → “State-Wise Books.”

ISC Class 12 PYQs 

ISC Class 12 previous year question papers​ 

  1. Now, you will reach the page where the ‘ISC Class 12 previous year question papers​’ are available.

ISC Class 12 previous year question papers​ 

  1. The previous year question paper ISC will now be available for various subjects. Click on any subject of your choice to proceed further.
  1. Now, this step is crucial. You have to choose the year for which you want to download the ISC Class 12 previous years question papers with solutions. 
  1. The moment you click on that link, the ISC Class 12 previous years question papers PDF will load on your display. You can view it online as well as download it by clicking on the “Download PDF” button (in red color).

Note: To give you a better experience, we may ask you to log in, which is free.

ISC Previous Year Question Papers​ Analysis 

Our experts have analysed the ISC previous year question papers​ for Physics, Chemistry, and Mathematics—here are the key insights you should know:

ISC Class 12 Maths 2025 Question Paper Analysis

The analysis of ISC Class 12 PYQs for Maths has revealed very helpful insights, and here are the most important ones you must know. Knowing these details will help you adjust your Class 12 Exam Preparation for scoring higher marks.

High-Weightage Topics:

  1. Differential Equations -Multiple questions across difficulty levels

  2. Integration - Both definite and indefinite, with applications

  3. Matrices and Determinants - Properties, operations, and applications

  4. Probability - Conditional probability, distributions, real-world applications

  5. Application of Derivatives - Tangents, maxima/minima, rate of change

Internal Choices:

  • 2 questions of 2 marks

  • 2 questions of 4 marks

  • 2 questions of 6 marks in Section A

  • 1 question of 2 marks and 1 of 4 marks in Sections B & C

Difficulty Level Distribution of Mathematics

Easy (30%)

Direct formula-based MCQs, standard integration/differentiation

Medium (50%)

Application-based questions, multi-step solutions

Difficult (20%)

Proof-based questions, complex word problems

ISC Class 12 Physics 2025 Question Paper Analysis

The ISC Class 12 Physics Question Paper 2025 is for a maximum of 70 marks, where 20 questions were asked. Here is a topic-wise weightage analysis of the ISC Class 12 previous year question papers​ of Physics:
 

Topic-Wise Weightage Analysis of 2025 ISC Class 12 Physics Paper

Topic

Approximate Marks

Percentage

Current Electricity & Circuits

12-14 marks

~18%

Electrostatics

7-9 marks

~11%

Magnetism & Electromagnetic Induction

10-12 marks

~16%

Optics (Ray + Wave)

14-16 marks

~22%

Modern Physics (Atoms, Nuclei, Dual Nature)

12-14 marks

~19%

Semiconductor Devices

7-9 marks

~11%

Communication Systems

2 marks

~3%

Below, you can find the difficulty level analysis of Physics' previous year question paper ISC:

Difficulty Level Distribution

Easy Questions (30-35%)

  • Section A MCQs 
  • Definitions (threshold frequency, work function)
  • Simple one-step calculations (frequency from wavelength)
  • Naming (EM waves, phenomena)

Moderate Questions (45-50%)

  • Kirchhoff's laws application
  • Capacitor problems
  • Magnetic field calculations
  • Lens formula applications
  • Potentiometer calculations
  • Galvanometer to voltmeter conversion

Difficult Questions (15-20%)

  • AC circuit complete analysis (5 sub-parts)
  • Huygens' principle proof of Snell's law
  • Prism formula derivation
  • Complex circuit analysis with multiple components
  • Bohr model quantitative problems

ISC Class 12 Chemistry 2025 Question Paper Analysis

The comprehensive analysis of the ISC Class 12 Chemistry 2025 Question Paper reveals much crucial information about the question paper. You'll find lots of key takeaways to pick from the following analysis to get the most out of the ISC Class 12 previous years question papers with solutions.

Difficulty Level Distribution

Easy Questions (30%)

  • Section A fill-in-blanks (if word bank used correctly)
  • Direct MCQs on standard concepts
  • Simple balanced equations
  • Naming compounds
  • Chemical tests

Moderate Questions (50%)

  • Organic conversions
  • Electrochemistry calculations
  • Van't Hoff factor calculations
  • Order and molecularity
  • Coordination compound problems
  • Colligative property numericals
  • Isomer identification

Difficult Questions (20%)

  • Multi-step organic synthesis (Q3, Q12, Q19)
  • Kinetics data interpretation (Q18)
  • Crystal field theory analysis
  • Redox balancing in acidic medium
  • Structural isomer identification from reaction behavior
  • Application-based osmosis problems

ISC Class 12 Biology 2025 Question Paper Analysis

Be well-versed with the 2025 ISC Class 12 Biology Question Paper to strategise your exam preparation.

Difficulty Level Distribution

Easy Questions (30-35%)

  • Section A MCQs and direct recall questions
  • Expansion of abbreviations (PAR, SSBP)
  • Red Data Book purpose
  • Naming scientists/terms

Moderate Questions (45-50%)

  • Sewage treatment process
  • Restriction enzyme action
  • Ovarian hormones in parturition
  • Case study on biofertilizer
  • Blue-white screening
  • STD examples

Difficult Questions (15-20%)

  • Hardy-Weinberg numerical problem
  • Pedigree analysis with probability calculations
  • DNA strand directionality in transcription
  • Rivet Popper Hypothesis explanation
  • Complete retrovirus life cycle

Comparison of ISC Class 12 Three Science Subjects

As per the 2025 ISC question paper analysis, here is a comparison table for all three Science subjects.

Particular

Biology

Physics

Chemistry

Maximum Marks

70

70

70

Number of Questions

18

20

21

Calculation %

~10%

~35%

~25%

Diagram Need

Very High

Medium

Low

Equation Writing

None

Medium

Very High

Memory Load

Very High

Medium

High

Concept Application

Medium

High

High

Internal Choices

3

6

3

Case Studies availability

2-3

0-1

0-1

Benefits of Solving ISC Previous Year Question Papers​

After covering the ISC Class 12 Syllabus, if you have started the preparation for the exam, then you must begin with solving the ISC Class 12 previous years question papers PDF. Below are some benefits you will get when you solve old papers on a regular basis:

1. Familiarity With the Exam Pattern

Over the years, the ISC Exam Patterns have gone through several changes. For effective preparation, you must be aware of what has changed and how. The best way to understand those changes is through the ISC Class 12 previous years question papers PDF free download. You can solve them and analyse the syllabus, question paper format, and marking scheme for each subject across several years’ papers.

Doing this, you become familiar with the exam pattern and know what to expect in your board examination. It boosts your exam preparation pace and helps you avoid time wastage.

2. Self-Evaluation

Regardless of how many topics you have finished or how many ISC Class 12 Sample Papers you have solved, your preparation remains incomplete without self-assessment. This process includes knowing your performance in the ISC previous year question papers​ you have solved. From your common mistakes to time management, you should be aware of every single thing that matters for the Board Exam.

One of the key benefits of solving the ISC Class 12 PYQs is that you reflect on your own performance, exam-taking skills, and the progress in your exam preparation. With this type of assessment, you become aware of your strengths, know the areas for improvement, and get instant feedback on your time management skills.

3. Knowing What Topics to Prioritise

The ISC Syllabus offers you an abundance of topics to cover across the subjects, but the weightage of those topics isn't the same from the exam's perspective. Your goal for the Board Exam is to score as high as possible, and you can’t do it without having a strong grasp on the topics. This is where practicing and analysing the ISC Class 12 previous year question papers​ plays an important role.

With every previous year question paper ISC that you solve, you know what type of questions from which topics are repeated the most. Additionally, you become aware of their weightage. For example, in ISC Mathematics, the topics—Differential Equations, Integrals, Application of Derivatives, etc.—are high-weightage topics. After knowing this, you know which topics to pay more attention to.

Common Traps Most ISC Class 12 Students Fall Into the Exam

The tense environment of the exam hall often causes students to make mistakes, and they do it unknowingly by falling into some common traps. If you want to score higher in the ISC Exam, be careful of these traps:

  1. ‘Question 1 looks so easy; let me complete this first, whatever it takes.' In reality, the MCQs are often designed to be tricky, so set a very tight time limit for these questions.

  2. ‘I'll solve all the tough questions first, because the easier ones will take less time.' This thought is a trap for you; note that you’re giving an exam where you have limited time with a bunch of tricky questions. Therefore, solve easy questions first to secure marks, then attempt difficult problems.

  3. Internal choices will be in the exam, so let's focus on the most important ones only.' Never make this decision when preparing; don't give yourself the comfort to avoid studying. In fact, prepare for both options so that you can have flexibility in the ISC Question Paper.

Conclusion

The practice of ISC Class 12 previous years question papers with solutions gives you an in-depth understanding of actual exam papers. They provide you with several unique questions to solve and help you analyse the question paper pattern. Doing this not only helps you build confidence but also gives you a fair idea of how well your preparation is going. Additionally, use this resource to understand your weaknesses in areas such as time management and the application of concepts across subjects.

FAQs
Need answers? Find them here...
The ISC Class 12 previous years question papers PDF free download helps you become familiar with the actual exam format, question difficulty level, and overall question paper design. These insights give you an advantage to adjust your preparation strategy to align with the board’s requirements, which helps you score higher marks.
This is the right time to solve the ISC Class 12 PYQs (Previous Year Questions). Why? Solving the old papers gives you an understanding of how well you have covered the subjects and where you still need to work to improve.
No. You should never treat one resource as the sole reliable tool for learning or exam preparation. Diversity in question practice can help you win over your classmates or peers, so don’t invest all your time in one resource. However, do consider using the previous year question paper ISC to clear your doubts for the actual exam, and use these practice questions for the annual exam for free.
The CISCE official website and SelfStudys offer you the ISC Class 12 previous years question papers PDF. If you want old questions from 2012 to 2025, consider visiting our website today.
Practice as many ISC previous year question papers​ as you can. However, you should aim to practice at least five years of question papers.
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