ISC Exam Pattern 2025 for Class 12 All Subjects ‣ Know ISC Marks Distribution

Theory Paper will have four sections

Section-1 (20 marks)

Students need to write a composition which should comprise 400-450 words.

Section-2 

In this section, students need to write an article, review or report on a given point. (15 marks)

Students also need to write a proposal on a given situation. (10 marks)

Section-3

This section will include short questions and grammar & structure based questions.(15 marks)

Section-4

This section will include unseen passages in which questions need to read and give answers. (20 marks)

Project work also will have 2 sections

Section-1

This section will include listening and speaking skills. (10 marks)

Section-2

In this section an examiner will visit the school to test students’ assessment. (10 marks)

Theory Paper

The Theory Paper will have two parts where part-1 will weightage 20 marks and part-2 will weightage 60 marks.

Part-1

Part-1 will include short questions related to fundamental factual knowledge and understanding of Syllabus.

Part-2

This part is divided into two sections A & B. It will comprises of 5 long questions each question will have weightage of 12 marks

Project work

Students have to undergo a project which might include a case study, Field visit or  Investigation, a local history, Interview/ oral evidence and Book Review/film review/Posters/Newspapers/advertisements/cartoons & art.

Project should be at least 2000 words.

Theory

Theory paper will include mainly 3 units and each will comprise different marks.

Unit- 1 (25 marks) will include the following topics.

• Solid state
• Solutions
• Electrochemistry
• Chemical kinetics
• Surface chemistry

Unit-2 (20 marks) will include the following topics.

• General Principles and Processes of Isolation of Elements
• p -Block Elements
• d -and f -Block Elements
• Coordination Compounds

Unit-3 (25 marks) will include the following topics.

• Haloalkanes and Haloarenes
• Alcohols, Phenols and Ethers
• Aldehydes, Ketones and Carboxylic Acids
• Organic Compounds containing Nitrogen
• Biomolecules
• Polymers
• Chemistry in Everyday Life

Project work

Students will have to make a project and assessment, which will be examined by a visitor examiner and teacher. Then, it will be approved by the council. 

Theory

Theory paper will carry 70 marks and the following topics will be asked in the paper.

• Electronic
• Current electricity
• Magnetic Effects of Current and Magnetism
• Electromagnetic Induction and AlternatingCurrents
• Electromagnetic Waves
• Optics
• Dual Nature of Radiation and Matter
• Atoms and Nuclei
• Electronic Devices
• Communication Systems

Project work

Students have to prepare a project and practice on a topic given by the teacher. It will be examined by a teacher and a visitor examiner, then, it will be approved by council. 

Theory

Theory paper will consist of 70 marks and students have no choice; they have to answer all the questions. Following topics will be included in the Theory exam.

Reproduction- 16 marks

Genetics and Evolution- 15 marks

Biology and Human Welfare- 14 marks

Biotechnology and its Applications- 10 marks

Ecology and Environment- 15 marks

Project work

Students have to prepare a project and practice on a topic given by the teacher. It will be examined by a teacher and a visitor examiner, then, it will be approved by the council.