CBSE Class 10 Board Exam 2026: Mandatory Section-Wise Answer Writing Rules for Science, Social Science

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The Central Board of Secondary Education (CBSE) has released important instructions for Class 10 students. The board has introduced a mandatory section-wise structure for Science and Social Science board exams 2026. Students must follow this format in both question papers and answer books.

CBSE made this change to improve evaluation quality. In previous exams, many students mixed answers across subjects. This created problems for examiners while checking papers and awarding marks correctly.

👉 Official Notice

New Section-Wise Structure for CBSE Class 10 Exams

As per the official notice, Science and Social Science papers will have separate sections. Students must create the same sections in their answer books before writing answers.

CBSE Class 10 Science Paper Structure

Section	Subject Area
Section A	Biology
Section B	Chemistry
Section C	Physics

CBSE Class 10 Social Science Paper Structure

Section	Subject Area
Section A	History
Section B	Geography
Section C	Political Science
Section D	Economics

Important Rules for Answer Writing

CBSE has issued strict guidelines for writing answers. Students must follow these rules carefully:

Write answers only within the dedicated space for each section.
Don't mix answers from different sections.
Create clearly labelled sections in your answer book before starting.
Maintain separation between sections throughout the exam.

What Happens If You Mix Answers?

CBSE has warned students about serious consequences. If answers are mixed across sections, they won't be evaluated. No marks will be awarded for such responses.

The board also clarified that these mistakes won't be corrected during verification or revaluation. Students must understand this format well before the exam.

Instructions for Schools and Teachers

CBSE has directed schools to prepare students for this new format. Teachers should:

Include these rules in regular classroom activities.
Follow the same structure in Pre-Board exams.
Help students practise section-wise answer writing.

This practice will help students avoid losing marks due to structural errors.

👉 CBSE Class 10 Study Materials

CBSE Class 10 Full Study Material	CBSE Class 10 Sample Paper 2025-26
CBSE Class 10 Syllabus 2025-26	NCERT Solutions For Class 10
CBSE Class 10 Previous Year Question Papers	CBSE Class 10 Books