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Prokaryotic and eukaryotic cells

9th grade (Year 10 in England) · 16 questions · Common Core: NGSS.HS-LS1-2 · England: GCSE Combined Science: Cell biology

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1
Question 1
Scientists put a human insulin gene into bacteria. Which bacterial structure is used to carry the gene?
- A. a mitochondrion
- B. the nucleus
- C. a plasmid
- D. a chloroplast
2
Question 2
Prokaryotes and eukaryotes: which statement is NOT true?
- A. Bacterial cells are much smaller than most animal and plant cells.
- B. Eukaryotic cells keep their DNA inside a nucleus.
- C. Plasmids are found in human cells.
- D. Some bacteria have a flagellum to move.
3
Question 3
Where is this found: ribosomes?
- A. prokaryotic cells only
- B. eukaryotic cells only
- C. both types of cell
4
Question 4
A bacterial cell is about 2 µm long and a cheek cell is about 60 µm. How many times longer is the cheek cell?
- A. 3 times
- B. 30 times
- C. 120 times
- D. 300 times
5
Question 5
Prokaryotes and eukaryotes: which statement is NOT true?
- A. Bacterial cells are much smaller than most animal and plant cells.
- B. Plant cells are prokaryotic.
- C. Eukaryotic cells keep their DNA inside a nucleus.
- D. Some bacteria have a flagellum to move.
6
Question 6
Where is this found: ribosomes?
- A. prokaryotic cells only
- B. eukaryotic cells only
- C. both types of cell
7
Question 7
Why can antibiotics kill bacteria without harming human cells?
- A. Antibiotics only work outside the body
- B. They target structures or processes that only bacterial cells have
- C. Human cells have no ribosomes
- D. Bacteria have a nucleus that absorbs the drug
8
Question 8
Prokaryotes and eukaryotes: which statement is NOT true?
- A. Eukaryotic cells keep their DNA inside a nucleus.
- B. Plasmids are found in human cells.
- C. Some bacteria have a flagellum to move.
- D. Both prokaryotic and eukaryotic cells have ribosomes.
9
Question 9
Where is this found: a nucleus?
- A. prokaryotic cells only
- B. eukaryotic cells only
- C. both types of cell
10
Question 10
A bacterial cell is about 2 µm long and a cheek cell is about 60 µm. How many times longer is the cheek cell?
- A. 300 times
- B. 3 times
- C. 30 times
- D. 120 times
11
Question 11
Prokaryotes and eukaryotes: which statement is NOT true?
- A. Bacteria have mitochondria.
- B. Some bacteria have a flagellum to move.
- C. Eukaryotic cells keep their DNA inside a nucleus.
- D. Bacterial cells are much smaller than most animal and plant cells.
12
Question 12
Where is this found: mitochondria?
- A. prokaryotic cells only
- B. eukaryotic cells only
- C. both types of cell
13
Question 13
Scientists put a human insulin gene into bacteria. Which bacterial structure is used to carry the gene?
- A. a plasmid
- B. a chloroplast
- C. a mitochondrion
- D. the nucleus
14
Question 14
Prokaryotes and eukaryotes: which statement is NOT true?
- A. Eukaryotic cells keep their DNA inside a nucleus.
- B. Both prokaryotic and eukaryotic cells have ribosomes.
- C. Bacterial cells are much smaller than most animal and plant cells.
- D. Plasmids are found in human cells.
15
Question 15
Where is this found: a nucleus?
- A. prokaryotic cells only
- B. eukaryotic cells only
- C. both types of cell
16
Question 16
A bacterial cell is about 2 µm long and a cheek cell is about 60 µm. How many times longer is the cheek cell?
- A. 120 times
- B. 300 times
- C. 30 times
- D. 3 times

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Answer key: Prokaryotic and eukaryotic cells

1. C. a plasmid
2. C. Plasmids are found in human cells.
3. C. both types of cell
4. B. 30 times
5. B. Plant cells are prokaryotic.
6. C. both types of cell
7. B. They target structures or processes that only bacterial cells have
8. B. Plasmids are found in human cells.
9. B. eukaryotic cells only
10. C. 30 times
11. A. Bacteria have mitochondria.
12. B. eukaryotic cells only
13. A. a plasmid
14. D. Plasmids are found in human cells.
15. B. eukaryotic cells only
16. C. 30 times