Karnataka Secondary Education Examination Board (KSEEB) Class 12 Biology syllabus
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14 chapters29 topics
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- Principles of Inheritance and Variation(Principles of Inheritance and Variation)
Two independent third-party weightage articles both rank this the joint-highest-weighted 2nd PUC Biology chapter (13 marks per one article, 14 per the other, the two disagree on the exact figure but agree on the ranking).
- Molecular Basis of Inheritance(Molecular Basis of Inheritance)
Same two articles both rank this jointly-highest alongside Principles of Inheritance and Variation (13 vs 14 marks across the two sources).