# "Describe" questions — WJEC GCSE Biology (Wales)

> 37 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. [Describe how water moves from the soil into a plant and up to the leaves.](https://www.gradenine.co.uk/q/describe-how-water-moves-from-the-04dd95cb)
2. [Describe the path taken by an oxygen molecule from the nose to the alveoli.](https://www.gradenine.co.uk/q/describe-the-path-taken-by-an-0e81f36f)
3. [Describe how a mutation in a gene could affect the phenotype of an organism.](https://www.gradenine.co.uk/q/describe-how-a-mutation-in-a-0ea3375b)
4. [Describe what happens to a protein-rich food, such as a piece of chicken, as it passes through the human digestive syste…](https://www.gradenine.co.uk/q/describe-what-happens-to-a-protein-rich-101c5663)
5. [White blood cells play an important role in defending the body against pathogens. Describe TWO ways in which white blood…](https://www.gradenine.co.uk/q/white-blood-cells-play-an-important-161fc73a)
6. [Describe the roles of the central nervous system (CNS) and effectors in producing a response to a stimulus.](https://www.gradenine.co.uk/q/describe-the-roles-of-the-central-1ff10a2b)
7. [Describe how a nerve impulse travels from a receptor to an effector in a simple reflex arc.](https://www.gradenine.co.uk/q/describe-how-a-nerve-impulse-travels-24041998)
8. [Describe four ways in which human activities can reduce biodiversity.](https://www.gradenine.co.uk/q/describe-four-ways-in-which-human-26abd817)

## Related

- [WJEC GCSE Biology (Wales) revision notes](https://www.gradenine.co.uk/learn/wjec-gcse-biology-wales)
- [WJEC GCSE Biology (Wales) past papers](https://www.gradenine.co.uk/past-papers/wjec-gcse-biology-wales)
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