CBSE Class 10th Board Exams 2026: Section-wise answer writing rules for Science, Social Science
According to the official notice, the Science question paper will now be divided into three sections — Biology, Chemistry, and Physics—while the Social Science paper will have four sections covering History, Geography, Political Science, and Economics.
CBSE has emphasised that answers must be written strictly within the dedicated space for each section, and no mixing of responses will be accepted (Representative/Express photo by Narendra Vaskar) The Central Board of Secondary Education (CBSE) has issued a detailed set of instructions for Class 10 students appearing in the Science and Social Science board examinations, introducing a mandatory section-wise structure that must be followed both in the question paper and the answer book. The board said the change was introduced to improve evaluation quality after repeated instances of students mixing answers across subjects, making it difficult for examiners to identify and award marks correctly.
According to the official notice, the Science question paper will now be divided into three sections — Biology, Chemistry, and Physics—while the Social Science paper will have four sections covering History, Geography, Political Science, and Economics. Students must replicate the same structure in their answer books by creating clearly labelled sections before they begin writing.
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