MP Class 12 Biology Weightage 2026 Unit and Chapter-Wise Mark Distribution
MP Class 12 Biology Weightage 2026 includes a theory paper worth 70 marks and practicals worth 30 marks, totaling 100 marks. Check out all chapter-wise mark distributions here.
MP Class 12 Biology Weightage 2026:MP Class 12 Biology theory paper includes 40% objective questions, 40% subjective questions, and 20% analytical questions, aligning with the NCERT rules. Among the high-weightage units, Unit 2: Genetics and Evolution will be carrying 18 marks, including Principles of Inheritance and Variation and Molecular Basis of Inheritance and Evolution. Generally long-answer questions come from Mendelian genetics, DNA replication, and evolutionary mechanisms. Unit 1: Reproduction is the second-highest-weighted unit, carrying 14 marks. You can also checkMP Board Class 12 Biology Exam Pattern 2026to get more details about marks distribution.
Other notable high-weightage units include Human Health and Disease from Unit 3, carrying 9 marks, and Ecosystem from Unit 5, carrying around 6-8 marks. You may find application-based questions from these sections. The MPBSE 12th Biology question paper will be held for 3 hours and will consist of objective questions, conceptual understanding, and diagram-based answers across five units. The practical evaluation will be based on hands-on skills, observation, and record-keeping. Prioritize experiments from Sections A and B of the syllabus, such as flower dissection and food tests, as they recur frequently. Continue reading the article below to know more on the MP Class 12 Biology Weightage 2026 Unit and Chapter-Wise Mark Distribution.
Also CheckMP Board Class 12 Biology Syllabus 2026
MP Class 12 Biology Weightage 2026 Theory Exam
Focus on the high-weightage chapters, as these sections will have 60% coverage, as per the last few years' previous year question papers. The MP Board Class 12 Biology unit and chapter-wise weightage for the academic year 2025-26 have been tabulated below:
| Unit | Chapters | Approximate Marks |
| Reproduction | Sexual Reproduction in Flowering Plants, Human Reproduction, Reproductive Health | 14 |
| Genetics and Evolution | Principles of Inheritance, Molecular Basis of Inheritance, Evolution | 18 |
| Biology and Human Welfare | Human Health and Disease, Microbes in Human Welfare, Strategies for Enhancement | 14 |
| Biotechnology | Principles and Processes, Applications | 10 |
| Ecology and Environment | Organisms and Populations, Ecosystem, Biodiversity, Environmental Issues | 14 |
MP Class 12 Biology Weightage 2026 Practical Exam/Internal Assessment
The 30-mark practical exam will evaluate two experiments from Section A for 7 marks, one from Section B for 4 marks, slide preparation for 5 marks, spotting for 7 marks, and records/viva/project for 7 marks. Diagrams and accuracy in experiments will carry high weightage. MP Board Class 12 Biology practical exam 2026 carries 30 marks out of the total 100, evaluating hands-on skills, observation, and record-keeping alongside the 70-mark theory paper. Check out the MP Class 12 Biology Weightage 2026 for the practical exam from the table below:
| Component | Marks | Description |
| Two Experiments (one major, one minor) | 10-12 | Performing procedures like transpiration or enzyme activity |
| Slide Preparation | 4-5 | Preparing and labeling temporary/permanent slides |
| Spotting | 7-8 | Identifying specimens, diagrams, or processes |
| Practical Record | 4 | Maintaining lab notebook with observations |
| Project/Investigatory | 3 | Simple project work |
| Viva Voce | 5 | Oral questions on experiments |
| Total | 30 | -- |
Also CheckMP Board Class 12 Biology Model Paper 2026
MP Class 12 Biology Question Paper Blueprint 2026
The MP board 12th Biology question paper will have 43 questions in total. Section A will include 28 objective questions for 1 mark each (total 28 marks), covering MCQs, fill-in-the-blanks, true/false, match-the-following, and one-word answers. Section B will have 7 very short answer questions for 2 marks each. Section C will have 4 short answer questions (concept or diagram-based) for 3 marks each. Section D will contain 4 long answer questions (detailed explanations with diagrams) for 4 marks each. Go through the MP Class 12 Biology Question Paper Blueprint 2026 from below:| Section | Question Type | No. of Questions | Marks per Question | Total Marks |
| A | Objective (MCQ, etc.) | 28 | 1 | 28 |
| B | Very Short Answer | 7 | 2 | 14 |
| C | Short Answer | 4 | 3 | 12 |
| D | Long Answer | 4 | 4 | 16 |
| Total | -- | 43 | -- | 70 |