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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

3.5.7 Cardiovascular Disease Data – Unit exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.
IGCSE Biology 7.3 Physical Digestion - Question 2
IGCSE Biology 7.3 Physical Digestion - Question 2
A
B
C
D
2.
Which row of the enzyme table is correct?
Row 3
Row 1
Row 2
Row 4
3.
As a cell grows larger, its surface area to volume ratio
doubles
increases
decreases
stays constant
4.
Which enzyme digests protein in the stomach?
Amylase
Lipase
Pepsin
Maltase
5.
IGCSE Biology 7.3 Physical Digestion - Question 3
IGCSE Biology 7.3 Physical Digestion - Question 3
A
B
C
D
6.
Loss of water vapour from leaves is:
Guttation
Translocation
Respiration
Transpiration
7.
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
8.
IGCSE Biology 8.3 Transpiration - Question 9
IGCSE Biology 8.3 Transpiration - Question 9
A
B
C
D
9.
Which statement best describes Stomata?
Pores on leaves that allow gas exchange, controlled by guard cells.
Very fine tube of the insect tracheal system that delivers air directly to tissues.
Rate of diffusion is proportional to surface area x concentration difference / diffusion distance.
Tiny air sac in the lungs where gas exchange occurs.
10.
Using the table, which animal is most tied to water for gas exchange across its skin?
R
S
T
Q
11.
SA:V of a 2 cm cube is:
6:1
4:1
3:1
2:1
12.
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
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Part of 3. Exchange and Transport — see every lesson and quiz in this unit.
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