CAIE IGCSE Biology 17.2 Mitosis
Practise mitosis questions by identifying genetically identical daughter cells, reading DNA-mass or chromosome diagrams and linking division to growth and stem cells.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- identify mitosis as nuclear division producing genetically identical daughter cells
- interpret DNA-mass graphs and chromosome diagrams before, during and after mitosis
- link mitosis to growth, repair, replacement, asexual reproduction and stem cells
Covered syllabus points
17.2 Mitosis question 1
Penicillin is an antibiotic produced by the fungus Penicillium chrysogenum.
Fig. 5.1 shows the process used to produce penicillin.
Fig. 5.2 shows the mass of fungus and the yield of penicillin during the fermentation process.
Fig. 5.2
As the fungus grows in the fermenter, the nuclei in the fungal hyphae divide.
State the type of nuclear division that occurs during the growth of the fungus in the fermenter.
17.2 Mitosis question 2
Fig. 6.1 shows some cells from the shoot tip of an onion, Allium cepa.
Fig. 6.1
Cell A is dividing by mitosis.
State the role of mitosis in a shoot tip.
17.2 Mitosis question 3
Fig. 6.2 shows a plant tissue in which cells are dividing by mitosis.
Fig. 6.2
Cell H in Fig. 6.2 is about to divide by mitosis.
State what happens to the chromosomes in cell H before mitosis takes place and state why it is necessary.
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