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Tamil Nadu Board Class 12 Biology Answer Key 2026 (Unofficial) - Get Solutions Here

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Last successful check12 Nov 2026
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  • Updated March 23, 2026 03:42 PM
  • by Kowsalya Chinnadurai
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How to Calculate Your Score Using Tamil Nadu Board Class 12 Biology Answer Key 2026

SectionTypeMarks Distribution
Section AObjective / Very Short Answer1 Mark Each
Section BShort Answer2-3 Marks Each
Section CLong Answer5 Marks Each
Total70 Marks
  • The Tamil Nadu Board Class 12 Biology theory paper carries 70 marks. Students can estimate their score by comparing their responses with the unofficial answer key and adding marks for correct answers according to the paper pattern.

How to Download Tamil Nadu Board Class 12 Biology Answer Key 2026

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  • Visit trusted education portals or YouTube channels.
  • Search for Tamil Nadu Board Class 12 Biology Answer Key 2026.
  • Click on the relevant answer key link.
  • Open the PDF or video solution.
  • Match your answers and calculate your estimated score.
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