GCSE Biology – Mitosis – Primrose Kitten

GCSE Biology – Mitosis

Last updated: 20/04/2020

Edexcel GCSE Science – Biology higher Cells and control GCSE Biology – Mitosis

Learning Objectives

-I can describe the location and function of chromosomes
-I can describe each stage in mitosis

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Question 1 of 25

1. Question
Where are chromosomes found in the cell?
- In the nucleus
- In cytoplasm
- In the cell wall
- In ribosomes
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Question 2 of 25

2. Question
What are chromosomes?
- Very long molecules of tightly coiled genetic material
- The sites of respiration in the cell
- The sites of photosynthesis in the cell
- Very long molecules of protein
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Question 3 of 25

3. Question
What chemical are chromosomes made from?
- DNA
- Glucose
- Sucrose
- Lactose
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Question 4 of 25

4. Question
What do chromosomes do?
- They carry genes which code for characteristics
- They control the basal metabolic rate within the body
- They control the rate of respiration in the body
- They send signals as part of the nervous system
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Question 5 of 25

5. Question
How are chromosomes arranged in the nucleus?
- In pairs based on their size and shape
- In groups of 4 based on their size and shape
- In groups of 3 based on their size and shape
- Individually
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Question 6 of 25

6. Question
What is the name for pairs of chromosomes?
- Homologous chromosomes
- Recessive chromosomes
- Dominant chromosomes
- Homozygous
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Question 7 of 25

7. Question
How are chromosomes inherited?
- Each pair has 1 chromosome from each parent
- Each pair has chromosomes just from the mother
- Each pair has chromosomes just from the father
- Chromosomes are not inherited
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Question 8 of 25

8. Question
How many chromosomes per cell in the body?
- 46
- 45
- 42
- 40
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Question 9 of 25

9. Question
How many pairs of chromosomes per body cell?
- 23
- 20
- 21
- 22
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Question 10 of 25

10. Question
What do cells divide for?
- Growth, replacement and repair
- Growth, respiration and photosynthesis
- Growth, energy, food
- Energy, food, repair
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Question 11 of 25

11. Question
What is the process of body cells dividing?
- Mitosis
- Meiosis
- Diffusion
- Active Transport
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Question 12 of 25

12. Question
Where is mitosis occurring?
- All of these answers
- In developing embryos
- In growing plants
- In all humans at all times
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Question 13 of 25

13. Question
Describe the cells from mitosis
- Genetically identical
- Genetically similar
- Genetically different
- Genetically opposite
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Question 14 of 25

14. Question
If mitosis is not occurring in a cell, what is happening?
- All of these answers
- Growth and replication of DNA
- Respiration
- Protein synthesis (making)
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Question 15 of 25

15. Question
Can cell cycles be different lengths?
- Yes – depends on species, age and cell type
- No, cell cycles are always the same length
- Yes – but only if the organism grows
- Yes – but only as the organism gets older
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Question 16 of 25

16. Question
How do you tell which stage is the quickest?
- Least cells will be in this stage
- No cells will be in this stage
- Most cells will be in this stage
- You cannot tell
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Question 17 of 25

17. Question
What is the name for different versions of genes?
- Alleles
- Homozygous
- Heterozygous
- Pairs
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Question 18 of 25

18. Question
If 28/140 cells are in mitosis and a cell cycle lasts 24 hours, how long do the cells spend in mitosis?
- 288 min
- 320 min
- 400 min
- 450 min
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Question 19 of 25

19. Question
If 40/200 cells are in mitosis and a cell cycle lasts 12 hours, how long do the cells spend in mitosis?
- 144 min
- 12 min
- 32 min
- 500 min
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Question 20 of 25

20. Question
If cells spend 14 min in mitosis and a cycle takes 3 hours, how many of 200 cells would be in mitosis?
- 16
- 18
- 12
- 19
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Question 21 of 25

21. Question
What is the first stage of the cell cycle?
- Growth and increase in ribosomes and mitochondria
- DNA replicates
- Mitosis occurs – one set of chromosomes pulled to each end of the cell, nucleus divides
- Cytoplasm divides
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Question 22 of 25

22. Question
What is the second stage of the cell cycle?
- DNA replicates to form 2 copies of each chromosome
- Growth and increase in ribosomes and mitochondria
- Mitosis occurs – one set of chromosomes pulled to each end of the cell, nucleus divides
- Cell membrane divides into 2 parts
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Question 23 of 25

23. Question
What is the third stage of the cell cycle?
- Mitosis occurs – one set of chromosomes pulled to each end of the cell, nucleus divides
- Growth and increase in ribosomes and mitochondria
- Cytoplasm divides
- DNA replicates to form 2 copies of each chromosome
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Question 24 of 25

24. Question
What is the fourth stage of the cell cycle?
- Cytoplasm and cell membranes divide to form 2 identical cells
- DNA replicates to form 2 copies of each chromosome
- Mitosis occurs – one set of chromosomes pulled to each end of the cell, nucleus divides
- Meiosis
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Question 25 of 25

25. Question
How many cells result from mitosis occurring once?
- 2
- 1
- 3
- 4
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