"Describe" questions — OCR A-Level Biology A (H420)
6 questions · biology · View as Markdown
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
- Describe the function of a repressor protein in the regulation of gene expression.
- A student is investigating the rate of transpiration in a plant using a potometer. They measure the distance a bubble mo…
- A student is investigating the effect of pH on the germination of seeds. Describe the steps the student should take to e…
- The lac operon in E. coli is a well-studied example of gene regulation. Describe the role of the lac repressor protein i…
- Describe the differences in the structure and function of starch and cellulose, explaining how their chemical properties…
- A student is investigating the effect of temperature on the rate of an enzyme-controlled reaction. They plan to measure …