The Central Board of Secondary Education (CBSE) is all set to conduct the 2024 board exams for both Class 10 and Class 12 starting from February 15. As the exams approach, CBSE has made the sample papers available for students, which can be easily accessed on the official website,

For students in the science stream, these exams bring an added level of challenge. They are required to appear for exams in chemistry, biology, and physics. To pass, they need to achieve a minimum score of 33% in each of these subjects.

In the case of CBSE Class 12 science stream students, each theoretical examination paper will carry a total of 70 marks. Additionally, students will have three hours to complete the questions in the exam.

Now, let’s delve into the specifics of the CBSE Class 12 Science question paper pattern:

CBSE Class 12 Science Question Paper Pattern

Students can obtain the CBSE Class 12 sample question papers for chemistry, biology, and physics on the official CBSE website. Here’s an overview of the question paper pattern for these subjects:

Section A

Section A will comprise a total of 16 questions, which include 12 Multiple Choice Questions (MCQs) and 4 assertion reasoning questions. Each question in this section will carry one mark.

Section B

In Section B, there will be 5 questions, each carrying two marks.

Section C

Section C will consist of 7 questions, each carrying three marks.

Section D

Section D will feature 2 case study-based questions, with each question carrying four marks.

Section E

In Section E, there will be 3 long-answer questions, each of which will carry five marks.

It’s important to note that while the question paper does not offer an overall choice for students, there will be internal choices provided within all three questions in Section E. Additionally, there will be internal choices in sections B and C, as well as for each Case Based Question (CBQ) in section D.

As students gear up for the CBSE Class 12 Science board exams in 2024, understanding this question paper pattern can help them prepare effectively and excel in their examinations.

For more information and to access the sample question papers, students can visit the official CBSE website at

Best of luck to all CBSE Class 12 Science students for their upcoming board exams!

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