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IB Biology HL 2.3.9 Meiosis phases and chromosome behaviour Question Bank

Practise IB Biology HL 2.3.9 by analysing chromosome behaviour and stage-specific events in meiosis.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify phase-specific events such as crossing over and homologous separation.
  • Compare chromosome and chromatid numbers after meiosis I and meiosis II.

D2.1.9—Meiosis as reduction division question 1

[Maximum number: 2]

The micrograph shows a plant cell of Lilium grandiflorum during meiosis.

Figure for Question D2.1.9—Meiosis as reduction division question 1 — IB Biology HL

Identify, giving reasons, the stage of meiosis shown by this cell.

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