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Course: AQA A Level Biology 7402
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AQA A Level Biology 7402

1. Biological Molecules

0/102

2. Cell Structure

0/95

3. Exchange and Transport

0/98

4. Genetics, Variation and Interdependence

0/94

5. Energy Transfers In and Between Organisms (A Level only)

0/63

6. Organisms Respond to Changes in their Environments (A Level only)

0/93

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

0/55

8. The Control of Gene Expression (A Level only)

0/72

9. Exam Guidance and Skills

0/38
Quiz

3.1.1 Surface Area to Volume Ratio – Exam questions

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  • Questions count: 9
  • Passing grade: B+
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1.
As a cell grows larger, its surface area to volume ratio
doubles
increases
decreases
stays constant
2.
A small surface area to volume ratio limits a cell because
its DNA cannot replicate
it has too many ribosomes
exchange of materials across the membrane becomes too slow for its needs
it cannot make proteins
3.
A cube-shaped cell has a side length of 2 µm. What is its surface area-to-volume ratio?
6 : 1
3 : 1
2 : 1
1 : 3
4.
Which statement best describes Surface area to volume ratio?
Mitochondria and chloroplasts were once free-living bacteria engulfed by a larger cell.
Cell with a true nucleus and membrane-bound organelles.
Falls as a cell grows — the reason cells stay small.
Everything between the membrane and the nucleus — cytosol plus organelles.
5.
Which cube has the largest surface area to volume ratio?
4 cm cube
3 cm cube
2 cm cube
1 cm cube
6.
As a spherical cell grows larger, its surface-area-to-volume ratio
decreases
increases
stays the same
first decreases then increases
7.
Which key term matches this description: "Surface area divided by volume."
Which key term matches this description: "Surface area divided by volume."
SA:V ratio
Diffusion distance
Volume
Surface area
8.
As a cell grows larger, its surface area to volume ratio _____.
increases
stays the same
decreases
doubles
9.
Doubling the side of a cube increases surface area 4 times and volume 8 times. True or false?
False
True
False, both double
True only for cells
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Part of 3. Exchange and Transport — see every lesson and quiz in this unit.
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