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Bihar Board Class 12 Biology Exam Pattern 2024-25 provides information about the total of questions along with the weightage of marks, type of questions, difficulty level of questions and more. As per Bihar Board Class 12 Biology Blueprint 2025, the Biology subject is divided into a theory and practical exam. The theory exam will be of 70 marks and the practical exam will be of 30 marks. In the theory paper, questions will be asked from the 5 units where the high weight is given to 3 units i.e. 18 marks. It is necessary for students to score at least 21 marks out of 70 marks to pass the theory exam and 12 marks out of 30 marks in the practical exam. In total, students should get 33 marks out of 100 marks. Students can check Bihar Board Class 12 Biology Syllabus 2024-25 here.
The Bihar Board Class 12 Biology Exam will include 35 MCQs for 1 mark each. In the second part of the question, students will get 20 short questions. Out of this, they will have to attempt any 10 questions for 2 marks each. In addition, there will be 6 long questions for 5 marks each. The students will have to attempt any 3 questions. Read the article in detail to get updated information about the Bihar Board Class 12 Biology Blueprint 2025.
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Bihar Board Class 12 Biology Model Paper 2024-25
Bihar Board Class 12 Biology Exam Pattern 2024-25
From the table below, students can check the names of all units in the syllabus with the marks. Through the marks, students can get an idea about the questions from each of the units. According to the marks allocation, students can pay attention to the topics.
Unit | Unit Name | Marks |
|---|---|---|
Unit 1 | Sexual Reproduction | 06 |
Unit 2 | Genetics and evolution | 18 |
Unit 3 | Biology & Human Welfare | 18 |
Unit 4 | Biotechnology and its applications | 18 |
Unit 5 | Ecology and environment | 10 |
Bihar Board Class 12 Biology Practical Blueprint 2024-25
There will be a practical exam of 30 marks. Students can check below for internal and external evaluation. There are different topics for internal and external evaluation. Students can check the table below to learn more about Bihar Board Class 12 Biology Blueprint to plan to score high marks.
Internal Evaluation
Topics | Marks |
|---|---|
One Major Experiment | 5 |
One Minor Experiment | 4 |
Project & Oral | 6 |
Total | 15 |
External Evaluation
Topics | Marks |
|---|---|
Slide Preparation | 5 |
Spotting | 6 |
Sessional work submission & oral | 2+2=4 |
Total | 15 |
Also Read: Bihar Board Class 12 Biology Previous Year Question Paper
Bihar Board Class 12 Biology Question Paper Blueprint 2024-25
The question paper will be made up of different types of questions selected by Bihar Board according to the latest exam pattern and syllabus. Students can refer to the latest question paper design for class 12th Biology theory paper from the table given below:
Typology of Questions | Number of Questions |
|---|---|
MCQs | 35 Questions x 1 |
Short Questions | 10 Questions x 2 marks |
Long Questions | 6 Questions x 5 marks [Attempt any 3] |
Total | 70 |
Practical | 30 |
Total | 100 |
Students preparing for the class 12 exams can get the detailed Bihar Board class 12 exam pattern details here. This will help them to prepare their best and perform well in the board exams. They can also check the Bihar Board Class 12th Exam Date 2025 here.
