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HomeCIE IGCSE BiologyMitosis and the cell cycle
CIE · IGCSE · Biology

Mitosis and the cell cycle
Practice Questions

20 CIE IGCSE Biology questions on Mitosis and the cell cycle, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Mitosis and the cell cycle

Question 1 · 1 mark · Difficulty 1/3

Which of the following correctly describes what happens during anaphase?

  1. Chromatids are pulled to opposite poles of the cell by spindle fibres
  2. Nuclear envelopes reform around each set of chromosomes
  3. Chromosomes become visible as they condense
  4. Homologous pairs of chromosomes line up at the equator
Show answer & explanation
✓ Answer: AChromatids are pulled to opposite poles of the cell by spindle fibres
Award 1 mark for correct answer. During anaphase, sister chromatids separate at the centromere and are pulled to opposite poles by shortening spindle fibres. B is incorrect — this describes telophase. C is incorrect — this describes prophase. D is incorrect — this describes metaphase in meiosis, not mitosis.
Question 2 · 1 mark · Difficulty 2/3

A student observed onion root tip cells under a microscope. In a field of view containing 200 cells, 184 cells were in interphase and 16 cells were undergoing mitosis. What is the approximate percentage of time these cells spend in mitosis?

  1. 8%
  2. 16%
  3. 92%
  4. 184%
Show answer & explanation
✓ Answer: A8%
Award 1 mark for correct calculation. Percentage of cells in mitosis = (16/200) × 100 = 8%. This represents the proportion of time spent in mitosis. B is incorrect — 16 is the number of cells, not the percentage. C is incorrect — this represents the percentage in interphase, not mitosis. D is incorrect — percentages cannot exceed 100%.
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CIE IGCSE Biology: Mitosis and the cell cycle FAQ

How many CIE IGCSE Biology questions on Mitosis and the cell cycle are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Mitosis and the cell cycle for CIE IGCSE Biology, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CIE paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CIE IGCSE students preparing for Biology?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Mitosis and the cell cycle practice with other Biology topics or even switch to a totally different CIE subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Mitosis and the cell cycle questions aligned to the official CIE IGCSE Biology syllabus?
Every question is written against the published CIE IGCSE Biology specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CIE paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CIE.
How is Mitosis and the cell cycle typically tested on CIE IGCSE Biology papers?
Mitosis and the cell cycle appears across multiple question types on real CIE IGCSE Biology papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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