CBSE Class 12 Biology Question Paper Set 2 57/4/2 2025: PDF, Answers & Analysis

The CBSE Biology Set 2 2025 paper was considered of moderate difficulty, similar to previous years. Key points include:

• Well-balanced mix of theory and application-based questions.
• Sections like SA-II (Short Answer-II) were slightly more challenging this year.
• Overall, the question trends and marking scheme matched the updated syllabus.

The CBSE Class 12 Biology 2025 paper consisted of five sections:

• Section A: MCQs & Very Short Answer (16 x 1 mark = 16)
• Section B: Short Answer-I (5 x 2 marks = 10)
• Section C: Short Answer-II (7 x 3 marks = 21)
• Section D: Case/Passage Based & LA-I (2 x 4 marks = 8)
• Section E: Long Answer-II (3 x 5 marks = 15)
• Total: 70 marks

Yes, the CBSE official answer key for Biology Set 2 2025 is released after the exam on the official CBSE website and select educational portals. Features include:

• Stepwise marking for all types of questions.
• Authentic CBSE marking scheme aligned with the latest board guidelines.

Solutions and marking schemes are typically provided as supplementary files alongside the CBSE 12th Biology Question Paper PDF on reputable study platforms. You will find:

• Question paper PDFs both with and without solved answers.
• Official marking scheme for detailed self-assessment.

Yes, the 2025 CBSE Biology Set 2 paper is ideal for pre-board and final exam practice. Benefits include:

• Familiarity with updated paper pattern and marking scheme.
• Exposure to current question trends and topics.
• Effective self-assessment when solved in exam conditions.

The CBSE 12th Biology 2025 paper pattern follows the latest syllabus guidelines including:

• 5 sections (MCQ, VSA, SA-I, SA-II, LA-I, LA-II)
• Total 33 questions with internal choices in select questions
• Marks distribution: 70 marks theory, balanced by practicals

The CBSE Biology board paper includes both theory-based and application-based questions:

• Sections A & B: More direct and theory-based MCQ and short answers.
• Sections C, D & E: Emphasis on application, HOTS, and diagram/case-based questions.

Yes, CBSE releases Class 12 Biology papers in both English and Hindi medium. Students should:

• Contact their school or exam center for the Hindi version.
• Check the official CBSE website for downloadable PDFs in their preferred language.

All CBSE Class 12 Biology sets (Set 1, 2, 3, 4) share the same format, structure, and marks distribution, but the exact questions vary to ensure exam security and fairness. Key points:

• All sets are balanced in terms of difficulty and sectional blueprint.
• Practice from any set is equally effective for board-level preparation.

CBSE primarily releases official answer keys. Solutions (detailed stepwise answers) are generally prepared and published by expert teachers or educational platforms. Students should:

• Rely on official answer keys for authentic responses.
• Use educator-made solution PDFs for detailed step marking and guidance.

To self-assess using the CBSE Biology answer key 2025:

• Compare each answer to the official key.
• Allocate marks per the stepwise marking scheme provided.
• Identify improvement areas by checking where marks were lost in incomplete answers.