CBSE Class 12 Biology Weightage 2025 PDF

CBSE Class 12 Biology Chapter- Wise Weightage 2025: Unit-wise marks distribution CBSE Class 12 Biology Weightage 2025: The Central Board of Secondary Education (CBSE) has released CBSE Class 12 chapter-wise weightage 2024. Candidates can check out the chapter-wise and unit-wise weightage below. Furt...

CBSE Class 12 Biology Chapter- Wise Weightage 2025: Unit-wise marks distribution CBSE Class 12 Biology Weightage 2025: The Central Board of Secondary Education (CBSE) has released CBSE Class 12 chapter-wise weightage 2024. Candidates can check out the chapter-wise and unit-wise weightage below. Furthermore, the marks weightage for the practical segment has been provided. For biology, the theory segment will be of 70 marks and the practical segment will be of 30 marks. In the theory section, questions will appear from 5 units, and in the practical section, 6 schemes will be evaluated. For the visually impaired, the evaluation schemes are 4. Candidates can check out the complete CBSE Class 12 Biology chapter-wise weightage 2025 on the page below for more clarity. Also Read | CBSE Class 12 Date Sheet 2025 Released CBSE Class 12 Biology Weightage 2025 The following table displays CBSE Class 12 Biology weightage, along with unit-wise weightage for the theoretical segment: Units Unit Name Chapter Name Marks Sexual Reproduction in Flowering Plants 16 VI Reproduction Human Reproduction marks Reproductive Health Principles of Inheritance and Variation 20 VII Genetics and Evolution Molecular Basis of Inheritance marks Evolution Biology and Human Human Health and Diseases 12 VIII Welfare Microbes in Human Welfare marks Biotechnology - Principles and Biotechnology and its Processes 12 IX Applications Biotechnology and its marks Applications Organisms and Populations Ecosystem 10 X Ecology and Environment Biodiversity and its marks Conservation 70 Total marks CBSE Class 12 Biology Practical Weightage 2025 The table below shows CBSE Class 12 Biology weightage 2025 for the practical segment: Evaluation Scheme Marks One Major Experiment 5 One Minor Experiment 4 Slide Preparation 5 Spotting 7 Practical Record + Viva Voce 4 Investigatory Project and its Project Record + Viva Voce 5 Total 30 CBSE Class 12 Biology Practical Weightage 2025 for Visually Impaired The CBSE Class 12 Biology weightage 2025 for the practical segment for visually impaired students is as follows: Evaluation Scheme Marks Identification/Familiarity with the apparatus 5 Written test (Based on given/prescribed practicals) 10 Practical Records 5 Viva 10 Total 30 CBSE Class 12 Subject-Wise Weightage 2025 | Subjects Link CBSE Class 12 Accountancy Chapter-Wise Weightage Accountancy 2025 Business Studies CBSE Class 12 Business Studies Weightage 2025 Chemistry CBSE Class 12 Chemistry Weightage 2025 Computer CBSE Class 12 Computer Science Weightage 2025 Science Economics CBSE Class 12 Economics Weightage 2025 English Core CBSE Class 12 English Core Weightage 2025 Geography CBSE Class 12 Geography Weightage 2025 Hindi Core CBSE Class 12 Hindi Core Weightage 2025 History CBSE Class 12 History Weightage 2025 Mathematics CBSE Class 12 Mathematics Weightage 2025 Physics CBSE Class 12 Physics Weightage 2025 Political Science CBSE Class 12 Political Science Weightage 2025