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CBSE Class 10th Science Answer Key 2026 (Unofficial) - Set Wise Question Paper Solution

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  • Updated February 25, 2026 03:34 PM
  • by Mubarak Ali
  • The CBSE Class 10th Science Board Exam 2026 was successfully conducted today, 25 February 2026, in offline mode across various exam centres affiliated with the Central Board of Secondary Education (CBSE). Students can now check the CBSE Class 10 Science unofficial answer key 2026 here, along with a detailed paper analysis, difficulty level, and section-wise review. The unofficial answer key will be released today around 2:00 PM after the exam
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CBSE Class 10 Science Exam Pattern 2026

  • The CBSE Class 10 Science paper 2026 carried a total of 80 marks for theory and 20 marks for internal assessment, as per the latest CBSE exam pattern 2025–26. The Science paper is designed to test conceptual understanding, application-based learning, and competency-based skills in Physics, Chemistry, and Biology

How to Use the CBSE Class 10 Science Unofficial Answer Key 2026

  • Once the unofficial answer key for CBSE Class 10 Science 2026 is published around 2:00 PM, students can follow these steps to calculate their expected marks
  • Keep your Science question paper and OMR/answer sheet with you.
  • Match your responses with the set-wise unofficial answer key provided by experts.​
  • For MCQs and assertion–reason questions, award 1 mark for each correct answer, without negative marking
  • For short and long answers, compare with detailed solutions to estimate partial marks based on CBSE marking scheme.
  • Add the scores section-wise (Physics, Chemistry, Biology) to get your total out of 80.
  • This will help you predict your performance before the official result declaration and identify areas of improvement for upcoming subjects.
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