CBSE Class 12 Biology Set 3 (57/4/3) 2025: Board Question Paper, PDF, Solutions

The 2025 CBSE Biology Set 3 (57/4/3) paper was rated as moderate to tough by most students and teachers.

- MCQs were largely direct but included a few application-based questions.
- Short Answer and Long Answer sections required in-depth NCERT understanding and clear diagrams.
- More focus was on higher-order thinking skills and case/analysis-type questions than previous years.
- Practicing with official sample papers and previous year question papers boosts your readiness for such patterns.

Yes, CBSE Class 12 Biology Set 3 includes different questions, sequence, or options compared to Set 1 and Set 2.

- All sets cover the same NCERT Biology syllabus for Class 12.
- Some questions may be changed or reordered for exam integrity.
- Practicing with all sets helps you get familiar with various question styles and difficulty.
- Always check the set code (like 57/4/3) printed on your paper.

The CBSE marking scheme and answer key for Biology Set 3 (57/4/3) 2025 are released after the exam.

- Official answer keys are published on the CBSE website and leading educational portals.
- This page will link the latest marking scheme and detailed solutions PDF directly.
- The marking scheme follows step marking, diagram accuracy, and use of CBSE-recommended terms.

The CBSE Class 12 Biology Question Paper 2025 follows a structured pattern for clear marks distribution.

- Section A: 16 MCQs (1 mark each)
- Section B: 5 Short Answer I (2 marks each)
- Section C: 7 Short Answer II (3 marks each)
- Section D: 3 Long Answer (5 marks each)
- Section E: 2 Case-based/Assertion-Reason (4 marks each)
- Total theory marks: 70 (plus 30 practical)

The CBSE Biology Set 3 (57/4/3) 2025 paper is strictly based on the official Class 12 NCERT syllabus.

- Key Units: Reproduction, Genetics and Evolution, Biology and Human Welfare, Biotechnology, Ecology
- All questions align with the current CBSE and NCERT guidelines
- Important focus on diagrams, definitions, and key processes from each chapter.
- Extra-curricular or out-of-syllabus topics are not included.

Using CBSE Biology previous year question papers is key for scoring high in your board exam.

- Understand the latest question patterns and mark allocation
- Practice real exam-style MCQs, SA, LA and diagram-based questions
- Benchmark your answers with the official solutions/answer keys
- Identify commonly repeated and important questions
- Learn effective time management and presentation skills for maximum marks

You can download the CBSE Biology marking scheme 2025 from the official CBSE website or leading education platforms.

- Marking schemes show step-by-step allocation of marks for each answer part.
- Ensure to use the marking scheme that matches your set code (57/4/3) for accuracy.
- Solutions and marking schemes are typically available within a few days after the board exam.

Yes, CBSE Biology Set 3 (57/4/3) solutions in Hindi medium are often made available by coaching classes and leading education websites.

- Look for bilingual PDFs or teacher-solved answer keys after the exam.
- Both English and Hindi medium solutions cover the same syllabus and marking scheme.
- Always verify that the solution matches the latest CBSE syllabus and guidelines.

To score high in the CBSE Class 12 Biology Board Exam, focus on official materials and exam patterns:

- Practice extensively with latest question papers and marking schemes
- Master all NCERT diagrams and write precise, to-the-point answers
- Use bullet points for facts and stepwise explanations where possible
- Review answer keys and sample solutions for each set
- Allocate your time wisely for each section in the exam