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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
SL

What you’ll learn

11 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 appearing48%of analysed past papers
Latest appearanceNovember 2025
Most common paperPaper2

Most tested objectives

  1. D2.1.7—Phases of mitosis27 questions
  2. D2.1.12 (HL)—Cell proliferation17 questions
  3. D2.1.10—Down syndrome15 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 ["SL"] · TZ312[ 1 ]D2.1.3—Equal and unequal cytokinesis
May 2025Paper2 ["SL"] · TZ28(a)[ 3 ]D2.1.7—Phases of mitosis
May 2025Paper2 ["SL"] · TZ37(a)[ 4 ]D2.1.7—Phases of mitosis

Coverage 2010–2025 · Updated 16 Jul 2026

Study checklistD2.1 Cell and nuclear division