BodhiScorePunjab Board Class 12 Biology Syllabus 2026-27
Exam scheme
Time 3 hours. Theory 70 + practical 25 + internal 5 = 100.
| Unit | Title | Marks |
|---|---|---|
| I | Reproduction | 16 |
| II | Genetics and Evolution | 18 |
| III | Biology and Human Welfare | 12 |
| IV | Biotechnology and its Applications | 10 |
| V | Ecology and Environment | 14 |
Chapters
- Sexual Reproduction in Flowering Plants
- Human Reproduction
- Reproductive Health
- Principles of Inheritance and Variation
- Molecular Basis of Inheritance
- Evolution
- Human Health and Diseases
- Microbes in Human Welfare
- Biotechnology — Principles and Processes
- Biotechnology and its Applications
- Organisms and Populations
- Ecosystem
- Biodiversity and its Conservation
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Original practice prompts
Use these with the official syllabus above—these are study prompts, not a claimed board question paper.
- Choose one listed section and explain its main ideas aloud without looking at notes.
- Write five questions you would ask from that section, then answer them from memory.
- Mark one topic you find difficult and make a one-page revision sheet for it.
- After revising, attempt a past or sample paper only if its board, subject, language, and year match yours.
How to use this
- Read the syllabus or open the official paper from the source link.
- Use the related materials below to revise the same subject.
- Check an answer key or marking scheme only when it is published by the board.