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D2.1 Cell and nuclear division

Cell and nuclear division coordinate DNA replication, chromosome movement, cytokinesis, meiosis, cell-cycle control and proliferation to produce new cells in organisms.

Syllabus
First assessment 2025
Topic
D2.1
Level
—

What you’ll learn

17 learning objectives

Choose one objective for a focused lesson, or study the complete topic.

Exam analysis

An aggregate view of how the complete D2.1 Cell and nuclear division appears across past papers.

Chance of appearing47%of analysed past papers
Latest appearanceNovember 2025
Most common paperPaper1

Most tested objectives

  1. D2.1.7—Phases of mitosis37 questions
  2. D2.1.9—Meiosis as reduction division27 questions
  3. D2.1.12 (HL)—Cell proliferation26 questions

Common question formats

  • Definition or recall
  • Process explanation
  • Diagram interpretation
  • Calculation
  • Data analysis
  • Comparison

Exam question appearances

November 2025Paper1B ["SL"] · TZ34(b)[ 2 ]D2.1.2—Cytokinesis
November 2025Paper1B ["SL"] · TZ34(a)[ 1 ]D2.1.7—Phases of mitosis
November 2025Paper1A ["HL"] · TZ319[ 1 ]D2.1.9—Meiosis as reduction division
November 2025Paper1A ["HL"] · TZ119[ 1 ]D2.1.2—Cytokinesis
November 2025Paper1A ["SL"] · TZ312[ 1 ]D2.1.3—Equal and unequal cytokinesis
Practice this topic

3 original exam-style questions based on the patterns above.

Coverage 2010–2025 · Updated 16 Jul 2026

Study checklistD2.1 Cell and nuclear division