5-mark practice questions — AQA A-Level Biology (7402)
203 questions · biology · View as Markdown
How to answer
5-mark questions typically award marks for structured argument: two ideas + linked because + specific example + conclusion.
Sample questions
- A student states: 'Every cell in a human body contains the same DNA, yet cells look and behave very differently from one…
- A student looks at a plant cell and an animal cell under a microscope. The student says: 'Both cells must be making prot…
- Explain why maintaining high biodiversity within a community is important for the long-term stability of that community.…
- Describe the role of enzymes in digestion and explain why a protease enzyme cannot break down starch.
- Explain why a change in the base sequence of a gene may not always result in a change in the amino acid sequence of the …
- Explain why the rate of photosynthesis in a plant increases as light intensity increases, but only up to a certain point…
- Explain why farmers who rear livestock often use indoor housing and controlled feeding programmes to increase the effici…
- A mutation occurs in a gene, changing one DNA base. Explain how this mutation could result in a non-functional protein b…