Curriculum
Course: AQA A Level Biology 7402
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Curriculum

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

5.4.3 Microorganisms and Recycling Minerals – Unit exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.
Why does anaerobic respiration release less energy than aerobic?
It uses more oxygen
It happens faster
Glucose is only partially broken down
It only occurs in plants
2.
A student studied the effect of the number of hours of light on the number of flowers a plant produces. The dependent variable is the:
Number of hours of light
Number of flowers
Type of plant
Amount of water
3.

Net primary productivity is

GPP plus respiration
energy absorbed by the leaf
GPP minus respiratory losses
energy in decomposers
4.
Which factor leads to a higher rate of net primary production?
SAT Biology - Question 175
A
B
C
D
E
5.
IGCSE Biology 12.3 Aerobic respiration, SEED GERMINATION - Question 14
IGCSE Biology 12.3 Aerobic respiration, SEED GERMINATION - Question 14
A
B
C
D
6.
The diagram represents the biomass of different trophic levels in a terrestrial ecosystem. Which level represents producers?
SAT Biology - Question 061
A
B
C
D
E
7.
Which statement best describes Light-dependent reactions?
A molecule that absorbs some wavelengths of light and reflects others.
The fluid around the thylakoids, where the Calvin cycle takes place.
In the thylakoid membrane: light splits water, releasing O₂ and making ATP and NADPH.
The main pigment; absorbs red and blue light and reflects green, which is why leaves look green.
8.
The bar chart shows energy at four trophic levels. Why is a fifth level of predator unlikely here?
Dr Dabour Hub Academy - figure 1
Energy increases at higher levels
Only about 0.8 kJ would remain — too little to support a population
Producers would run out of light
Decomposers eat all top predators
9.
The first organisms to colonise bare rock are:
Pioneer species such as lichens
Oak trees
Grasses
Shrubs
10.
IGCSE Biology 12.3 Aerobic respiration, SEED GERMINATION - Question 1
IGCSE Biology 12.3 Aerobic respiration, SEED GERMINATION - Question 1
A
B
C
D
11.
Complete the statement: Glucose + oxygen → ______ (+ energy).
Complete the statement: Glucose + oxygen → ______ (+ energy).
Product
Aerobic respiration
Respiration
carbon dioxide + water
12.
Most energy lost between trophic levels leaves as heat from respiration. True or false?
False
False, it is stored in bones
True
True only in mammals
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Part of 5. Energy Transfers In and Between Organisms (A Level only) — see every lesson and quiz in this unit.
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