PYQ LensCBSE Class 12 Biology Sample Paper 2027
This sample paper has 33 questions for 70 marks, from 12 chapters. See where the marks come from, then practise it on PYQ Lens with marking schemes and teacher explanations.
- 33Questions
- 70Marks
- 12Chapters
Chapters in this paper
| Chapter | Questions | Marks |
|---|---|---|
| Molecular Basis of Inheritance | 5 | 9 |
| Principles of Inheritance and Variation | 4 | 8 |
| Biotechnology: Principles and Processes | 3 | 9 |
| Human Health and Disease | 3 | 6 |
| Human Reproduction | 3 | 6 |
| Microbes in Human Welfare | 3 | 6 |
| Sexual Reproduction in Flowering Plants | 3 | 6 |
| Biodiversity and Conservation | 2 | 7 |
| Biotechnology and its Applications | 2 | 3 |
| Evolution | 2 | 3 |
| Reproductive Health | 2 | 4 |
| Organisms and Populations | 1 | 3 |
Counts use each main question. An internal choice can come from another chapter.
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