Odisha CHSE Class 12 Biology Exam 2025: The Odisha CHSE Class 12 Biology Answer Key 2025 will be available soon after the exam is conducted on 07 March 2025. Students who appeared for the Odisha Board Class 12 Biology exam can refer to the Odisha CHSE Biology Class 12 Answer Key to check their responses and estimate their scores. The Odisha Board Biology Class 12 Answer Key 2025 helps students understand the correct solutions for all the questions asked in the exam.
The Odisha CHSE Biology Class 12 Answer Key PDF Download option will allow students to access the key easily. This answer key serves as a useful resource for students to analyze their performance before the official results are declared. The Odisha CHSE Biology Class 12 Answer Key 2025 will include detailed solutions to multiple-choice questions, short-answer, and long-answer questions, following the marking scheme set by the board.
Students can use the Odisha Board Class 12 Biology Answer Key 2025 to identify any mistakes they made in the exam and understand the correct approach to solving the questions. The official answer key is expected to be released by the Odisha Council of Higher Secondary Education (CHSE) on their official website.
Meanwhile, various coaching institutes and subject experts may also release unofficial answer keys for students' reference. Stay tuned for the latest updates on the Odisha CHSE Class 12 Biology Answer Key 2025 and its availability in PDF format.
| Exam Name | Odisha CHSE Class 12 Biology Exam 2025 |
| Conducting Authority | Odisha Council of Higher Secondary Education (CHSE) |
| Exam Date | 12 March 2025 |
| Mode of Exam | Offline (Pen & Paper Based) |
| Duration | 3 Hours |
| Total Marks | 70 Marks (Theory) + 30 Marks (Practical) |
| Type of Questions | MCQs, Short Answer, Long Answer |
| Answer Key Availability | After the Exam (Unofficial & Official Release) |
| Official Website | @chseodisha.nic.in |
Also Read: List of All State Boards
| Question Paper Set | Answer Key Availability | Download Link |
| Odisha CHSE Class 12 Biology Answer Key 2025 Set A | Available after exam | Download PDF |
| Odisha CHSE Class 12 Biology Answer Key 2025 Set B | Available after exam | Download PDF |
| Odisha CHSE Class 12 Biology Answer Key 2025 Set C | Available after exam | Download PDF |
| Odisha CHSE Class 12 Biology Answer Key 2025 Set D | Available after exam | Download PDF |
Note: The official Odisha CHSE Biology Class 12 Answer Key 2025 will be released on the official website after the exam. Unofficial answer keys may be available from coaching institutes soon after the exam.
| Component | Details |
| Total Marks | 100 Marks (70 Marks for Theory + 30 Marks for Practical) |
| Theory Exam | 70 Marks |
| Practical Exam | 30 Marks |
| Duration of Exam | 3 hours |
| Question Pattern | - Multiple Choice Questions (MCQs) - Short Answer Questions - Long Answer Questions |
| Passing Criteria | - Minimum of 30% marks required in both theory and practical exams |
| Internal Assessment | Not applicable for Biology as it's a practical-based subject |
| Type of Questions | - MCQs: Test factual knowledge and application of concepts - Short Answer Questions: Require concise explanations - Long Answer Questions: In-depth responses |
Here’s the Odisha CHSE Class 12 Biology 2025 Marking Scheme in a table format:
| Component | Details |
| Theory Exam | 70 Marks |
| Practical Exam | 30 Marks |
| Total Marks | 100 Marks |
| Passing Criteria | Minimum 30% marks required separately in both theory and practical exams to pass. |
| Internal Assessment | Not applicable for Biology (Practical-based subject). |
| Grading System | - A1 (Outstanding): 91% – 100% - A2 (Excellent): 81% – 90% - B1 (Very Good): 71% – 80% - B2 (Good): 61% – 70% - C1 (Average): 51% – 60% - C2 (Fair): 41% – 50% - D (Satisfactory): 33% – 40% - E1 (Needs Improvement): 21% – 32% - E2 (Needs Improvement): 00% – 20% |
| No Negative Marking | No negative marking for incorrect answers. |
| Supplementary Exam | Students failing to meet the passing criteria can appear for supplementary exams. |
The Odisha CHSE Biology Class 12 Answer Key 2025 is released after the exam to help students check their answers. It is available in PDF format and can be downloaded easily.
Students can follow these steps to download the Odisha CHSE Biology Class 12 Answer Key PDF Download:
This answer key helps students compare their responses and estimate their expected marks.
Practicing previous year papers is one of the best ways to prepare for the Odisha CHSE Class 12 Biology Exam 2025.
Students can find Odisha Board Biology Class 12 Sample Papers 2025 on CHSE Odisha’s official website and other educational platforms.
The Odisha CHSE Biology Class 12 Answer Key 2025 will be available a few days after the exam on the official website. Unofficial answer keys may be released by coaching institutes earlier.
Students can download the Odisha CHSE Biology Class 12 Answer Key PDF from the official CHSE Odisha website (@chseodisha.nic.in) once released.
The Odisha CHSE Biology Answer Key helps students verify their answers, estimate scores, and analyze performance before the official results are announced.
Yes, the Odisha CHSE Biology Class 12 Answer Key 2025 will be released separately for different question paper sets (Set A, Set B, Set C, and Set D).
The official answer key released by CHSE Odisha is final. However, students can challenge errors (if any) through the board’s official process.