PDF Download & Answer Key for CBSE Class 12 Biology 2025 (Set 1 – 57/4/1)
FAQs on CBSE Class 12 Biology Question Paper Set 1 57/4/1 2025: PDF, Answers, Solutions
1. Where can I download CBSE Class 12 Biology Question Paper Set 1 57/4/1 2025 PDF?
You can download the CBSE Class 12 Biology Question Paper Set 1 (57/4/1) 2025 PDF from official educational resources and trusted exam-prep sites. Typically, you will find:
- Direct one-click PDF download links for both the question paper and solutions
- Sets with and without the answer key
- Material following the latest CBSE Biology syllabus and format
2. How difficult was the 2025 Biology Set 1 paper compared to previous years?
The 2025 Biology Set 1 paper was rated as moderate, with some challenging new question types. Key points include:
- MCQs and assertion-reasoning questions had moderate conceptual difficulty
- Case-based and competency-based sections were tough and NEET-level
- Short and long answer questions were mostly from NCERT with some application twist
3. What is the marking scheme for Biology?
The CBSE Class 12 Biology marking scheme for 2025 follows official CBSE guidelines. Key features are:
- Section-based stepwise marks for all answers, including MCQ, VSA, SA, and LA
- Diagrams and justification are given specific marks
- Internal choice available in many questions
- Competency and application-based questions account for significant marks
4. How to download CBSE 57/4/1 Biology paper with solutions?
To download the CBSE 57/4/1 Biology paper with solutions, follow these steps:
- Visit trusted educational or official CBSE resource websites
- Search for "CBSE Class 12 Biology Set 1 57/4/1 2025 question paper with solutions PDF"
- Choose links that offer PDFs including both questions and answer keys
- Ensure solutions align with the 2025 syllabus and marking scheme
5. Is CBSE biology paper tough?
The CBSE Class 12 Biology paper is generally considered moderate, but the difficulty can vary each year. For 2025:
- MCQs and case-based questions are tougher due to competency and application orientation
- Theory questions remain largely NCERT-based
- Time management and precise diagram answers are important for scoring
6. Where can I find the answer key and marking scheme for Set 1?
You can find the CBSE Biology Set 1 answer key and marking scheme for 2025 through:
- Official CBSE websites and trusted educational platforms
- Links provided alongside the question paper PDF downloads
- Teacher-verified and faculty-prepared solution documents
7. What is CBSE Class 12 Biology Question Paper Set 1 57/4/1 2025?
The CBSE Class 12 Biology Question Paper Set 1 (57/4/1) 2025 is the official national-level exam paper administered in March 2025. This paper:
- Strictly follows the latest CBSE syllabus and exam format
- Includes MCQs, case-based, assertion-reason, short, and long answer questions
- Often features internal choices for several sections
- Is vital for exam revision and self-assessment
8. Is there a difference between Set 1 and Set 2/3 Biology papers?
Yes, there are differences between Biology Set 1, Set 2, and Set 3 papers:
- All sets follow the same overall pattern and marking scheme
- The exact questions, order, and some internal choices vary to maintain exam integrity
- Practicing across sets is recommended to understand question trends and maximize scoring
9. Are stepwise solutions and model answers provided for Set 1?
Yes, stepwise solutions and model answers for CBSE Class 12 Biology Set 1 (57/4/1) are available:
- Official answer key and marking scheme PDF show marks allocation for each step
- Model responses include diagrams and explanations for all answer types
- Self-assessment is easier using these resources for practice and error analysis
10. Can I use this paper for NEET UG preparation?
Yes, the CBSE Class 12 Biology Set 1 (57/4/1) 2025 is highly useful for NEET UG preparation:
- Includes NEET-aligned MCQs and case-based questions
- Covers all major Biology concepts required for medical entrance exams
- Practicing this paper boosts conceptual clarity and application skills

















