CBSE 12th Science Subject Wise Blue Print 2025: The Central Board of Secondary Education (CBSE) will commence the Class 12th Board Exams on February 15, 2025. Science stream students must go through the CBSE 12th Science Subject Wise Blue Print 2025 to make last-minute changes in their preparation strategy based on their strengths and weaknesses. This CBSE 12th Physics/Chemistry/Biology/ Blueprint 2025 includes the unit-wise marks distribution. Candidates can use it to know which sections they must focus more on.
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CBSE 12th Science Subject Wise Blue Print 2025: Check Chapter Wise Weightage
Check the CBSE 12th Science Blueprint 2025 below. Candidates can check the Chapter-wise weightage for CBSE 12th Physics, Chemistry, and Biology subjects.
CBSE 12th Science Subject Wise Blue Print 2025 | Physics Chapter-Wise Weightage
The CBSE Class 12 Physics Exam is conducted in two parts: theory and practical. While the theory exam holds 70 marks, the practical exam is conducted for 30 marks. Candidates can check the chapter-wise weightage for the theory exam and the CBSE Class 12th Physics Practical Exam weightage based on the evaluation schemes. Candidates can check the CBSE 12th Physics Blue Print below.
|
Unit |
Chapters |
Chapter-Wise Weightage |
|
Unit - I Electrostatics |
Chapter 1: Electric Charges and Fields |
5 |
|
Chapter 2: Electrostatic Potential and Capacitance |
5 |
|
|
Unit - II Current Electricity |
Chapter 3: Current Electricity |
6 |
|
Unit - III Magnetic Effects of Current and Magnetism |
Moving Charges and Magnetism |
6 |
|
Magnetism and Matter |
5 |
|
|
Unit - IV Electromagnetic Induction and Alternating Currents |
Electromagnetic Induction |
4 |
|
Alternating Current |
2 |
|
|
Unit - V Electromagnetic Waves |
Electromagnetic Waves |
4 |
|
Unit - VI Optics |
Ray Optics and Optical Instruments |
10 |
|
Wave Optics |
4 |
|
|
Unit - VII Dual Nature of Radiation and Matter |
Dual Nature of Radiation and Matter |
4 |
|
Unit - VIII Atoms and Nuclei |
Atoms |
4 |
|
Nuclei |
4 |
|
|
Unit IX: Electronic Devices |
Semiconductor Electronics: Materials, Devices, and Circuits |
7 |
|
Total |
70 |
|
CBSE 2025 Class 12 Physics Blue Print: Practical Exam
The CBSE Class 12 Physics Practical Exam will be conducted for 30 marks. Candidates can check the weightage below.
|
Tasks |
Marks |
|
Experiment 1 (Section 1) |
7 |
|
Experiment 2 (Section 2) |
7 |
|
Practical record |
5 |
|
Activity |
3 |
|
Investigatory Project |
3 |
|
Viva |
5 |
|
Total marks |
30 |
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CBSE 12th Science Subject Wise Blue Print 2025 | Chemistry Chapter-Wise Weightage
The CBSE Class 12 Chemistry examination consists of two components: theory and practical. The theory paper carries 70 marks, while the practical examination is assessed for 30 marks. Students can refer to the chapter-wise weightage provided for the theory portion and the evaluation scheme for the CBSE Class 12 Chemistry Practical to understand the distribution of marks. The CBSE Class 12 Chemistry Blueprint outlines the exam pattern and marking scheme in detail.
|
Unit |
Chapter Name |
Chapter-Wise Weightage |
|
Physical Chemistry |
||
|
Unit II |
Solutions |
7 |
|
Unit III |
Electrochemistry |
9 |
|
Unit IV |
Chemical Kinetics |
7 |
|
Total Weightage |
23 |
|
|
Inorganic Chemistry |
||
|
Unit VIII |
d-block and f-block Elements |
7 |
|
Unit IX |
Coordination Compounds |
7 |
|
Total Weightage |
14 |
|
|
Organic Chemistry |
||
|
Unit X |
Haloalkanes and Haloarenes |
6 |
|
Unit XI |
Alcohols, Phenols, and Ethers |
6 |
|
Unit XII |
Aldehydes, Ketones, and Carboxylic Acids |
8 |
|
Unit XIII |
Amines |
6 |
|
Unit XIV |
Biomolecules |
7 |
|
Total Weightage |
33 |
|
|
Overall Weightage |
23+14+33 |
70 |
CBSE 2025 Class 12 Chemistry Blue Print | Practical Exam Weightage
The CBSE Class 12 Chemistry practical exam weightage are below:
|
Sections |
Marks |
|
Salt Analysis |
8 |
|
Volumetric Analysis |
8 |
|
Content-Based Experiment |
6 |
|
Class Record and Viva |
4 |
|
Project Work |
4 |
|
Total Weightage |
30 |
Also Check |
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CBSE 12th Science Subject Wise Blue Print 2025 | Biology Chapter-Wise Weightage
CBSE Class 12 Biology exams include a 70-mark theory paper and a 30-mark practical. Chapter-wise weightage for theory and the practical evaluation scheme are available. The Blueprint details the exam pattern and marking.
|
Unit |
Chapter Name |
Chapter-Wise Weightage |
|
Unit - I |
Sexual Reproduction in Flowering Plants |
16 |
|
Human Reproduction |
||
|
Reproductive Health |
||
|
Unit - II |
Principles of Inheritance and Variation |
20 |
|
Molecular Basis of Inheritance |
||
|
Evolution |
||
|
Human health and Diseases |
||
|
Unit - III |
Microbes in Human Welfare |
12 |
|
Biotechnology - Principles and Processes |
||
|
Unit - IV |
Biotechnology and It’s Application |
12 |
|
Organisms and Populations |
||
|
Unit - V |
Ecosystem |
10 |
|
Biodiversity and Its Conservation |
||
|
Total |
70 |
|
CBSE 2025 Class 12 Biology Blue Print | Practical Exam Weightage
Candidates can check the CBSE Class 12th Biology Practical Exam weightage below.
|
Sections |
Marks |
|
One Major Experiment |
5 |
|
One minor Experiment |
4 |
|
Slide Preparation |
5 |
|
Spotting |
7 |
|
Practical Record + Viva |
4 |
|
Investigatory Project + Viva Voce |
5 |
|
Total |
30 |
The CBSE 12th Science Subject Wise Blue Print 2025 outlines the marks distribution for each subject Physics, Chemistry, Biology, Mathematics and its units or chapters. Candidates can get an insight into the weightage and prepare accordingly.
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