# "Describe" questions — OCR A-Level Biology B — Advancing Biology (H422)

> 12 questions · biology

## How to answer

Say WHAT happens, in order. No reasoning. Structure: 1. First X. 2. Then Y. 3. Then Z. Assessment Objective: AO1. Every "describe" answer on this spec is marked against exactly this pattern.

## Sample questions

1. [A student is investigating the effect of substrate concentration on the rate of catalase activity using hydrogen peroxid…](https://www.gradenine.co.uk/q/a-student-is-investigating-the-effect-3faea791)
2. [A school nurse is reviewing the health records of students at a secondary school. She notices that several students have…](https://www.gradenine.co.uk/q/a-school-nurse-is-reviewing-the-4e48b311)
3. [A student is investigating the effect of light intensity on the rate of photosynthesis using pondweed. Describe how the …](https://www.gradenine.co.uk/q/a-student-is-investigating-the-effect-5795ec3b)
4. [A student is investigating the effect of substrate concentration on the rate of enzyme activity using lipase and a lipid…](https://www.gradenine.co.uk/q/a-student-is-investigating-the-effect-58bc9024)
5. [A student is investigating how the concentration of hydrogen peroxide affects the rate of decomposition of hydrogen pero…](https://www.gradenine.co.uk/q/a-student-is-investigating-how-the-58e34875)
6. [A student is investigating the effect of temperature on the rate of enzyme activity using amylase and starch solution. D…](https://www.gradenine.co.uk/q/a-student-is-investigating-the-effect-700f3c17)
7. [A research team is studying how muscle cells in an athlete produce large amounts of myosin, a structural protein needed …](https://www.gradenine.co.uk/q/a-research-team-is-studying-how-8abae87a)
8. [A group of researchers investigated the link between exposure to certain chemicals and the development of cancer in fact…](https://www.gradenine.co.uk/q/a-group-of-researchers-investigated-the-8deb773d)

## Related

- [OCR A-Level Biology B — Advancing Biology (H422) revision notes](https://www.gradenine.co.uk/learn/ocr-a-level-biology-b-advancing-biology-h422)
- [OCR A-Level Biology B — Advancing Biology (H422) past papers](https://www.gradenine.co.uk/past-papers/ocr-a-level-biology-b-advancing-biology-h422)
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