JAC Board 12th Class Biology Syllabus 2025 Download PDF

JAC Board 12th Class Biology Syllabus 2025: The Jharkhand Academic Council (JAC) releases the academic year syllabus for Class 12 students appearing for the board exams. The updated syllabus outlines all chapters, topics, and weightage that will help Science stream students prepare strategically. 

Biology is an important subject for students who opt for Science stream for the board exams. It is essential for students to understand the syllabus and the concepts thoroughly for those who aim to appear for NEET, biotechnology, or environmental sciences.

The JAC 12th Biology exams are conducted between March and April every year. Students should download the official JAC Class 12th Syllabus and start preparing early to ensure thorough coverage of all topics.

JAC Board 12th Class Biology Syllabus 2025 Overview

Before beginning to prepare for the JAC board exams, students must know about the key details about the Biology subject for JAC Class 12th exams:

JAC Board 12th Class Biology Syllabus 2025

JAC Board 12th Class Biology Syllabus 2025 gives a detailed analysis of the chapters and topics included in the syllabus. The syllabus comprises several units and students must refer to the syllabus to begin their preparation. 

The syllabus is given month-wise to ensure complete coverage of syllabus with consistent efforts and planning. Here's the detailed, chapter-wise syllabus as per JAC's official curriculum:

JAC Board 12th Class Biology Syllabus 2025 Download PDF

To access the updated syllabus for Biology, students can download the official PDF from here. The council updates its syllabus regularly to match academic standards and streamline board exam preparation. The PDF contains detailed unit-wise chapters, monthly divided. Students must follow the syllabus during the academic year to avoid last minute exam stress.

JAC Board 12th Class Biology Syllabus 2025 Marking Scheme 

The JAC Board Biology paper for Class 12 is divided into two sections: internal assessment and written exam. A total of 70 marks are allotted for the theory section, with the remaining 30 marks allocated for practicals. 

The question paper follows a unit-wise distribution of marks to assess students across various concepts. Among the five core units, Genetics and Evolution carries the highest weightage of 20 marks, while Reproduction contributes 16 marks, making it important for students to prepare them well in order to score good marks. Other units like Biotechnology and Ecology carry 12 and 10 marks respectively.

The marking scheme also helps in identifying which chapters to revise more frequently and which ones require in-depth concept clarity. Here’s the marking scheme given: 

How to Prepare for the JAC Board 12th Class Biology Exam 2025?

Preparing for Biology requires both conceptual clarity and memorization of concepts. Here are some practical JAC Board Class 12th Preparation Tips you should follow:

1. Use the marking scheme to identify high-weightage topics like Genetics and Reproduction. Prioritize them and understand the concepts thoroughly rather than simply memorizing them.

2. The JAC board follows the NCERT curriculum and students must study from the NCERT books only as most questions in the JAC exam are based on NCERT concepts. Highlight important diagrams and definitions.

3. Biology gives importance to diagrams and you can score well through it. Human anatomy, DNA structure, and plant reproductive parts are frequently asked in diagram-based questions through which you can score good marks.

4. Biology includes a lot of terms like scientific names, plant hormones, and diseases that are hard to remember. You can use flashcards to make it easier for you to revise chapters like Genetics or Human Health quickly.

5. Units like Reproduction and Evolution include concepts which are frequently repeated in the board exams. Going through JAC Class 12th Previous Year Question Papers will help analyze the JAC Class 12th Exam Pattern and manage your time better

6. Biology practicals like observing mitosis slides or doing experiments on transpiration appear from your syllabus and carry a good amount of marks. So, stay regular and take notes during experiments.