Uttarakhand Board Class 12 Biology Syllabus 2026-27

Session

Higher Secondary (Class 12) examination 2026-27, Uttarakhand Board of School Education. Official unit-wise materials are published on the UBSE Biology (12th) category page.

Units and chapters

Unit Chapters
1 — Reproduction Ch 1 — Sexual Reproduction in Flowering Plants; Ch 2 — Human Reproduction; Ch 3 — Reproductive Health
2 — Genetics and evolution Ch 4 — Principles of Inheritance and Variation; Ch 5 — Molecular Basis of Inheritance; Ch 6 — Evolution
3 — Biology in human welfare Ch 7 — Human Health and Disease; Ch 8 — Microbes in Human Welfare
4 — Biotechnology Ch 9 — Biotechnology: Principles and Processes; Ch 10 — Biotechnology and its Applications
5 — Ecology Ch 11 — Organisms and Populations; Ch 12 — Ecosystem; Ch 13 — Biodiversity and Conservation

Unit numbering follows the official UBSE Class 12 Biology question-bank series (Units 1–5).

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Original practice prompts

Use these with the official syllabus above—these are study prompts, not a claimed board question paper.

  • Choose one listed section and explain its main ideas aloud without looking at notes.
  • Write five questions you would ask from that section, then answer them from memory.
  • Mark one topic you find difficult and make a one-page revision sheet for it.
  • After revising, attempt a past or sample paper only if its board, subject, language, and year match yours.

How to use this

  1. Read the syllabus or open the official paper from the source link.
  2. Use the related materials below to revise the same subject.
  3. Check an answer key or marking scheme only when it is published by the board.

Official source

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