Igcse Model Questions Vol1 2025 Biology Question 2

Practice essay / theory question 2 from the 2025 Igcse Model Questions Vol1 Biology examination. This question covers cell division, mitosis .

Igcse Model Questions Vol1 2025 Biology Essay / Theory
Topics: cell division mitosis
Question 2 IGCSE_MODEL_QUESTIONS_VOL1 • 2025 • BIOLOGY • essay

The labelled diagram shows an animal cell at six successive stages of mitosis (panels A–F).

Question Parts

( a )
Identify the stage shown in each panel.
( ) Panel A shows which stage?
( ) Panel B shows which stage?
( ) Panel C shows which stage?
( ) Panel D shows which stage?
( ) Panel E shows which stage?
( ) Panel F shows which stage?
( b )
For the stage identified as metaphase, describe the arrangement of chromosomes and the role of the spindle fibres.
( c )
Explain why cytokinesis results in two daughter cells with identical chromosome numbers. Include reference to the preceding stages of mitosis.
( d )
A researcher uses a drug that disrupts spindle‑fibre formation. Predict the most likely effect on the stages of mitosis and on the final chromosome number in the daughter cells. Justify your answer.

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About This Question

This is Igcse Model Questions Vol1 2025 Biology Question 2. It is one of the essay questions from the 2025 Igcse Model Questions Vol1 Biology examination.

The question covers cell division, mitosis .

View More Igcse Model Questions Vol1 2025 Biology Questions More Igcse Model Questions Vol1 Practice Questions Back to Questions

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