Bihar Board Class 12 Biology Handwritten Notes, Download PDF

Bihar Board Class 12 Biology Handwritten Notes: Biology in Class 12 becomes more detailed, involving complex processes like inheritance, reproduction, evolution, and environmental science. To make this subject easier to learn, handwritten notes play an important role, especially for Bihar Board students who prefer clear explanations and Hindi medium content.

Bihar Board Class 12 Biology Handwritten Notes are created as per the latest BSEB syllabus. These notes help students prepare effectively for the board exams with chapter-wise coverage, neat diagrams, easy definitions, and exam-focused explanations. Whether you’re preparing for theory, practicals, or last-minute revision, these notes simplify your effort and save time.

Bihar Board Class 12th syllabus 

Bihar Board Class 12 Biology Handwritten Notes

You can download the Bihar Board Class 12 Biology Handwritten Notes chapter-wise from the table below, based on the official 2025 syllabus. These notes are useful for both theory preparation and practical revision.

Note: The handwritten notes for the remaining chapters will be updated after completion. 

Bihar Board Class 12 Science Syllabus

Bihar Board Class 12 Biology Notes Chapter 1 Reproduction in Organism

Chapter 1 introduces the concept of reproduction as a vital biological process. It explains the differences between asexual and sexual reproduction across various organisms, and highlights examples from both plants and animals. These handwritten notes provide simple definitions and important points to make the concept easy for students.

Bihar Board Class 12 Biology Notes Chapter 2 Sexual Reproduction in Flowering Plants

This chapter explores the complete process of sexual reproduction in angiosperms. From the structure of flower parts to pollination, fertilisation, and seed formation, the notes cover everything in easy format. Diagrams, keyword highlights, and concept-wise explanations are included. 

Bihar Board Class 12 Biology Notes Chapter 3 Human Reproduction

In Chapter 3, you will study the male and female reproductive systems, along with the process of gametogenesis, fertilisation, and embryonic development. These notes are handwritten and focus on labeling-based diagrams, key terms, and flow-based understanding of reproductive stages in humans.

Bihar Board Class 12 Biology Notes Chapter 4 Reproductive Health

This chapter focuses on the importance of reproductive health, methods of birth control, STDs, and infertility treatments. The handwritten notes make these concepts easier by using tables and simple explanations.

Bihar Board Class 12th Model Papers

Bihar Board Class 12 Biology Notes Importance

Handwritten notes don't just include explanations, they help students prepare well for the board exams. Here’s why you can rely on Bihar Board Class 12 Biology Handwritten Notes Importance throughout the year:

1. Strictly Based on BSEB Syllabus (2025)

These notes follow the exact unit and chapter structure prescribed by the Bihar Board, so you don’t need to worry about studying anything extra or missing out on key topics. The Bihar Board Class 12th Biology syllabus is aligned with what is asked in the written and practical exams.

2. Written in easy language 

The notes are written in easy-to-understand Hindi, which helps students understand concepts easily. Scientific terms are explained in Hindi along with English keywords to aid comprehension.

3. Support for Both Theory and Practical

From diagram practice to experiment-related concepts, these notes cover both written exams and internal practical assessments. Chapters like Microbes in Human Welfare and Reproductive Health are especially useful for both.

4. Well-Structured Diagrams and Definitions

Every important topic like DNA double helix, reproductive systems, or food chains diagrams are neat, well-labeled, and easy to remember. Short definitions and bullet-point summaries are given for last minute revision.

5. Good for Revision Before Exams

Since the notes are already summarized, you can revise chapters like Evolution or Human Health in less than 30 minutes.