CBSE Class 12 Biology Syllabus 2025 is segmented under the elective subjects of senior secondary level mentioned on the official site. The Central Board of Secondary Education will add, delete or revise the topics in the Biology paper of CBSE Class 12 2025.
Students who have chosen Biology as an elective subject should prepare the CBSE 2025 syllabus well with the assistance of the mentors and the teachers. Students who complete the CBSE Class 12 Botany & Zoology syllabus without doubts are able to face the written examination with confidence. Read the article to know more about tropics included in the CBSE Class 12 Biology syllabus 2025.
CBSE 12th Biology Syllabus 2025 PDF Download Link
Below, we have provided the PDF Download links for CBSE 12th Class Biology syllabus:
How to Download CBSE Class 12 Biology Syllabus 2025?
Read the steps to download the class 12 CBSE Biology syllabus 2025 from the official site of CBSE
- Go to the official site, cbseacademic.nic.in
- Find the ‘Curriculum’ tab from the menu bar in the home page.
- A new window displays the curriculum for Secondary and Senior Secondary curriculum
- Click ‘CBSE XII Syllabus 2025 PDF’ Link to view categories of Subjects.
- Click Again ‘Academic Electives’ Link from the drop down links
- In the new screen, a Grid of Elective subjects appears
- Click on ‘Biology’ Subject to view the chapters added.
- Download the PDF for future preparation purposes.
CBSE Class 12 Biology Syllabus 2025
Students and Teachers may get benefitted through Class 12 Biology 2025 CBSE syllabus from the table drawn below:
| Units | Chapters Included |
|---|---|
| Reproduction | Sexual Reproduction in Flowering Plants |
| Human Reproduction | |
| Reproductive Health | |
| Genetics and Evolution | Principles of Inheritance and Variation |
| Molecular Basis of Inheritance | |
| Evolution | |
| Biology and Human Welfare | Human Health & Diseases |
| Microbes in Human Welfare | |
| Biotechnology and Its Applications | Biotechnology – Principles & Processes |
| Biotechnology & Its Applications | |
| Ecology and Environment | Organisms & Populations |
| Ecosystem | |
| Biodiversity & Its Conservation |
Related Subjects Syllabus
- CBSE Class 12 English Syllabus
- CBSE Class 12 Mathematics Syllabus
- CBSE Class 12 Physics Syllabus
- CBSE Class 12 Chemistry Syllabus
CBSE Class 12 Biology Marking Scheme 2025
CBSE has proposed a subject-wise marking scheme. Hence, CBSE Class 12 exam pattern 2025 is now available for student’s purposes and to understand the marking scheme of the question paper. Read out the scheme to understand the weightage of questions added chapter-wise.
| Unit | Marks |
| Reproduction | 16 |
| Genetics & Evolution | 20 |
| Biology & Human Welfare | 12 |
| Biotechnology and Its Applications | 12 |
| Ecology and Environment | 10 |
| Total | 70 |
Benefits of CBSE Class 12 Biology 2025 Syllabus
Let us rule out the benefits of Class 12 Biology 2025 syllabus of CBSE system of education.
- CBSE has proposed an elaborate description of chapters included in the syllabus.
- The main purpose of the syllabus is to accelerate the CBSE Class 12 exam 2025 preparation. It enhances teachers to create a schedule to teach and cover all the topics included.
- Students should go through the CBSE Biology syllabus 2025 class 12 to know the topics included.
- It is necessary to schedule a time table to cover the Biology syllabus before the examination. Students should study the topic once taught and revise frequently.
- Unit-wise test is an important strategy to cover CBSE Biology 2025 syllabus for class 12.
- Frequent tests enable students to score CBSE pass marks in exam.
- At once all the topics covered, students should refer to the previous year question papers and try solving it.
- Students should seek teacher’s assistance to clear doubts that arise out of CBSE 2025 Biology syllabus class 12.
Also Read
FAQs Related to CBSE Class 12 Biology Syllabus 2025
When will CBSE Class 12 Syllabus 2025 for Biology be released?
The Central Board of Secondary Examination will announce Class 12 Biology CBSE syllabus 2025 on the official site. The date of syllabus announcement will be published officially.
What is the total marks allotted for theory examination of CBSE Class 12 Biology 2025?
CBSE has allotted a total of 70 marks for theory examination Biology paper for the public Examination.
How many marks are allotted for CBSE Class 12 Biology 2025 practical examination?
CBSE has allotted a total of 30 marks for Class 12 Biology practical examination.
Where do students can get the CBSE Class 12 Biology 2025 Syllabus?
As the CBSE announces class 12 Biology CBSE Syllabus 2025 on official website. Students can also download the syllabus directly through the link given in this page.