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CBSE Class 12 Biology important questions for Boards 2027

Open a chapter: 10 likely exam questions, 5 with full answers, and a free PDF.

  1. Sexual Reproduction in Flowering Plants43 questions
  2. Human Reproduction33 questions
  3. Reproductive Health21 questions
  4. Principles of Inheritance and Variation55 questions
  5. Molecular Basis of Inheritance121 questions
  6. Evolution32 questions
  7. Human Health and Disease56 questions
  8. Microbes in Human Welfare24 questions
  9. Biotechnology : Principles and Processes45 questions
  10. Biotechnology and its Applications21 questions
  11. Organisms and Populations22 questions
  12. Ecosystem19 questions
  13. Biodiversity and Conservation23 questions