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

9.1.1 What to expect from the essay question – Exam questions

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  • Questions count: 3
  • Passing grade: B+
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1.
You cross-pollinate only the darkest pink pea flowers. In the new generation, what would you expect to see?
You cross-pollinate only the darkest pink pea flowers. In the new generation, what would you expect to see?
The relative numbers of flower colours would remain unchanged.
You would see disruptive selection.
Your results would show directional selection.
The relative numbers of white flowers would increase.
2.
A dialysis bag containing 0.5 M solution is placed in a beaker of 0.6 M solution. After a while, what would you expect to have happened?
A dialysis bag containing 0.5 M solution is placed in a beaker of 0.6 M solution. After a while, what would you expect to have happened?
Net flow of water out of the bag, so it decreases in size.
Net flow of water into the bag, so it swells in size.
The bag stays exactly the same size because no water moves.
The solute moves out of the dialysis bag into the beaker.
3.
A researcher who expects a drug to work judges 'improvement' by looking at patients. What problem is most likely?
Bias, because judgement rather than measurement is used
Too large a sample
The independent variable is measured
Peer review is impossible
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Part of 9. Exam Guidance and Skills — see every lesson and quiz in this unit.
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