CBSE Biology Syllabus for Class 10 & 12 along with sample paper.

Explore the exciting world of biology with the CBSE syllabus for Class 12! Dive into engaging sample papers and discover the marking scheme that will help you excel. Whether you’re preparing for exams or just curious about the wonders of life sciences, this is your guide to understanding the essentials and honing your skills. Get ready to embark on a journey of knowledge and achievement!

Here is an overview of the paper pattern, syllabus, and marking scheme for the Class 12 Biology paper. The Central Board of Secondary Education (CBSE) has clarified that there will be no 15% reduction in the syllabi for subjects in the Class 10 and 12 board examinations. Additionally, the board has no plans to conduct open-book examinations.

In an official statement, the CBSE addressed recent news regarding the alleged syllabus reduction and the possibility of open-book exams for the 2025 board examinations: “Please note that CBSE has not made any changes to its examination or internal assessment systems, nor has any official notification been issued regarding this matter.

Therefore, CBSE refutes the aforementioned news.” With the confirmation that the 2025 board exams will follow the existing guidelines, here is a detailed look at the paper pattern, syllabus, and marking scheme for the Class 12 Biology paper:

• The theory portion of the CBSE Class 12 Biology paper carries a total of 70 marks. All questions are compulsory, and students must complete the exam within three hours.

• The sample paper available on cbseacademic.nic.in consists of five sections and includes 33 questions.

• The first section contains 16 questions, each worth one mark.

• The second section has five questions, each worth two marks.

• The third section includes seven questions, each worth three marks.

• The fourth section features two case-based questions, each carrying four marks.

• The final section comprises three questions, each worth five marks.

• There is no overall choice in the paper; however, internal choices are provided in some questions, allowing students to attempt only one of the alternatives provided.

• Students should ensure that all diagrams are neat and properly labeled wherever necessary.