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Course: IAL Edexcel Modular
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IAL Edexcel Modular

Quiz

SNAB Cell Division – Check yourself

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SNAB Cell Division IAL Modular Biology check yourself quiz: free practice for IAL Edexcel Modular. Work through this SNAB Cell Division IAL Modular Biology check yourself quiz and get instant feedback on every answer. If you get stuck, review the 2.3 SNAB Cell Division — Notes — IAL Biology Notes lesson. More practice: IAL Edexcel Modular — all units. Syllabus: Pearson Edexcel International A Levels.

1.
In which phase does DNA replicate?
G1
Prophase
S phase
G2
2.
Chromatids are pulled to opposite poles in:
Anaphase
Prophase
Metaphase
Telophase
3.
Why are root tips used?
They contain chloroplasts
They contain meristems with dividing cells
Cells are large
They lack cell walls
4.
30 of 150 cells are in mitosis. Mitotic index is:
0.30
0.25
5.0
0.20
5.
Mitosis is NOT used for:
Growth
Repair
Asexual reproduction
Producing gametes in animals
6.
Chromosomes align at the equator in:
Telophase
Metaphase
Prophase
Interphase
7.
Which statement best describes Mitotic index?
Division of the cytoplasm to form two daughter cells.
One of two identical copies of a replicated chromosome joined at the centromere.
The regulated sequence of growth, DNA replication and division in a cell.
The proportion of cells in a sample that are undergoing mitosis.
8.
Which statement best describes Mitosis?
The regulated sequence of growth, DNA replication and division in a cell.
The region joining sister chromatids, where spindle fibres attach.
Nuclear division producing two genetically identical diploid nuclei.
The proportion of cells in a sample that are undergoing mitosis.
9.
Which statement best describes Chromatid?
One of two identical copies of a replicated chromosome joined at the centromere.
The regulated sequence of growth, DNA replication and division in a cell.
Nuclear division producing two genetically identical diploid nuclei.
Division of the cytoplasm to form two daughter cells.
10.
Which statement best describes Interphase?
Nuclear division producing two genetically identical diploid nuclei.
The regulated sequence of growth, DNA replication and division in a cell.
The proportion of cells in a sample that are undergoing mitosis.
The phase in which the cell grows, replicates DNA and prepares to divide (G1, S, G2).
11.
A field of view has 12 cells in mitosis out of 150. What is the mitotic index?
12%
8%
80%
1.2%
12.
Students counted cells in one field of view only. How should they improve reliability?
Count several random fields of view and average
Count only dividing cells
Use higher magnification only
Count the same field twice
13.
Human gametes contain how many chromosomes?
46
92
23
22
14.
Crossing over occurs during:
Prophase I
Anaphase II
Metaphase II
Telophase I
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