Board of Secondary Education, Madhya Pradesh, Bhopal
Higher Secondary Examination Session 2026-27
Marking Scheme (अंक योजना)
Class: 12th
Subject: Biology (जीव विज्ञान)
Maximum Marks: 70
Time: 3:00 Hours
| S.No. | Unit Name | Prescribed Chapters | Allocated Marks |
|---|---|---|---|
| 1 | Reproduction |
Chapter 1: Sexual Reproduction in Flowering Plants
Chapter 2: Human Reproduction
Chapter 3: Reproductive Health | 16 |
| 2 | Genetics and Evolution |
Chapter 4: Principles of Inheritance and Variation
Chapter 5: Molecular Basis of Inheritance
Chapter 6: Evolution | 16 |
| 3 | Biology in Human Welfare |
Chapter 7: Human Health and Diseases
Chapter 8: Microbes in Human Welfare | 14 |
| 4 | Biotechnology |
Chapter 9: Biotechnology – Principles and Processes
Chapter 10: Biotechnology and its Applications | 12 |
| 5 | Ecology |
Chapter 11: Organisms and Populations
Chapter 12: Ecosystem
Chapter 13: Biodiversity and its Conservation | 12 |
| Total Marks: | 70 | ||
Examination Structure & Question Distribution:
- Questions 1 to 5 will comprise 28 Objective Type Questions. Each question carries 01 Mark.
- Question No. 1 – Multiple Choice Questions (MCQs): 06 Marks
- Question No. 2 – Fill in the Blanks: 06 Marks
- Question No. 3 – True / False Statements: 06 Marks
- Question No. 4 – Match the Following Pairs: 05 Marks
- Question No. 5 – Single-word / One-sentence Answers: 05 Marks
- Questions 6 to 12: Total 07 very short answer questions. Each question carries 02 Marks.
- Questions 13 to 16: Total 04 short answer questions. Each question carries 03 Marks.
- Questions 17 to 20: Total 04 long answer / analytical questions. Each question carries 04 Marks.