NCERT Solutions for Class 12 Biology (2025-2026) All Chapters, PDF Download
NCERT Solutions for Class 12 Biology: Class 12 Biology NCERT Solutions of all chapters are available here. With this article, you can download accurate solutions for Class 12 Biology in a chapter-wise PDF. NCERT Solutions are important for CBSE Class 12 Biology board exam preparations.
Class 12 Biology NCERT Solutions: NCERT (National Council of Educational and Research Training) publishes and distributes textbooks for classes 1 to 12 (all major subjects). The content of NCERT textbooks is written by experienced teachers and professors with deep knowledge and understanding of the subject. The information given in NCERT textbooks is authentic, and students can completely rely on these books for understanding the concepts as well as for the preparation of the exams. CBSE schools follow NCERT textbooks, as these are recommended by the board. Sometimes, questions given in NCERT textbooks are directly asked in CBSE board exams. Due to these reasons, students preparing for the 12th Biology Board Exam in 2025-26 must study the NCERT textbook and NCERT Solutions for Class 12 Biology.
Class 12 Biology: Subject-wise Marks Distribution
Students should check the below table to know the Subject Wise marks distribution of CBSE 2025-26 academic year subject Biology Class 12:
| Sl. No. | Subject | Marks |
| 1. | Reproduction | 16 |
| 2. | Genetics and Evolution | 20 |
| 3. | Biology and Human Welfare | 12 |
| 4. | Biotechnology and its Applications | 12 |
| 5. | Ecology and Environment | 10 |
| Total | 70 |
NCERT Solutions for Class 12 Biology All Chapters
Click on the links given below to get NCERT Solutions for Class 12 Biology all Chapter PDFs for download.
| Old Chapter Number | New Chapter Number | Chapter Name |
| 1 | Deleted | Reproduction in organisms (Deleted from revised NCERT) |
| 2 | 1 | |
| 3 | 2 | |
| 4 | 3 | |
| 5 | 4 | |
| 6 | 5 | |
| 7 | 6 | |
| 8 | 7 | |
| 9 | Deleted | Strategies for Enhancement in Food Production (Deleted from revised NCERT) |
| 10 | 8 | |
| 11 | 9 | |
| 12 | 10 | |
| 13 | 11 | |
| 14 | 12 | |
| 15 | 13 | |
| 16 | Deleted | Environmental Issues (Deleted from revised NCERT) |
You Must Check:
- CBSE Class 12 Biology Syllabus 2025
- CBSE Class 12 Biology Practical Syllabus 2025
- CBSE Class 12 Date Sheet 2025
- Class 10 and 12 practical exam dates
- CBSE Class 12 Biology Competency Based Questions 2025
- NCERT Class 12 Biology Lab Manual PDF 2025
- CBSE Class 12 Most Repeated Questions
Importance of NCERT Class 12 Biology Solutions
NCERT is a reliable and one of most accurate source of knowledge. CBSE refer to the NCERT textbooks to make questions and design the marking scheme. The NCERT questions are also directly picked in entrance examinations and thus solving them is highly suggested. Therefore, you must check these NCERT solutions if preparing for the competetive examinations like NEET.
Also Read:
Related | CBSE Class 12 Biology Exam Pattern and Topic Wise Weightage 2025
Anisha Mishra is journalist with over 3 years of experience in covering the Indian education sector. She has worked extensively in the K12 domain, with focus on the state board as well as central board examinations, policy structure of seconday and higher secondary education as well as the entrance examinations like JEE, NEET, CLAT, etc. Her extensive experience in the domain has helped her provide students with concise accurate information in all aspectes of school life and education. Her key interest lies in decoding the changes in the curriculum, NEP implementation and changing education ecosystem in the country. Besides working, she enjoys traveling, exploring new places and cultures, and painting.
-1792409534300_t.webp)
![NIOS Hall Ticket 2026 [OUT] LIVE: Download Class 10th, 12th October Theory Admit Card at sdmis.nios.ac.in, Direct link here](https://img.jagranjosh.com/images/2026/October/16102026/NIOS-Hall-Ticket-2026.jpg)
![[OUT] UPSSSC PET Admit Card 2026 LIVE: यूपी पीईटी एडमिट कार्ड जारी, upsssc.gov.in पर Direct Link](https://img.jagranjosh.com/images/2026/October/15102026/UPSSSC-PET-Admit-Card-2026.jpg)
