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CBSE Class 12 Biology Answer Key 2026 (Unofficial) – Get Answers Here

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  • Updated March 28, 2026 02:05 PM
  • by Kowsalya Chinnadurai
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How to Calculate Your Score Using CBSE Class 12 Biology Answer Key 2026

SectionQuestion TypeMarks Per QuestionTotal Marks
Section AMCQs116
Section BVery Short Answer210
Section CShort Answer321
Section DCase-based48
Section ELong Answer515
Total70 Marks
  • The CBSE Class 12 Biology theory exam carries 70 marks. Students can calculate their estimated score using the marking scheme provided below.
  • Note: The overall exam is of 100 marks, including 30 marks for practical/internal assessment. Students must secure at least 33% marks to pass.

How to Download CBSE Class 12 Biology Answer Key 2026

  • Follow these simple steps to access the CBSE Class 12 Biology Answer Key 2026:
  • Visit trusted education portals or coaching institute websites.
  • Search for CBSE Class 12 Biology Answer Key 2026.
  • Select the correct set (Set 1, Set 2, Set 3, etc.).
  • Open the PDF answer key.
  • Compare your answers and calculate your expected score.
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