Dissolved oxygen
What Dissolved oxygen means in Combined Science GCSE, as defined for AQA.
Definition of Dissolved oxygen
Check what you remember
Read the wording for your board, then hide it and explain Dissolved oxygen in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Oxygen gas dissolved in the water, entering by diffusion from the air and produced by photosynthesis of aquatic plants and algae.
Topics that use Dissolved oxygen
- Abiotic factors (AQA GCSE)
Related terms
- Abiotic factor
- Community
- Ectothermic animals
- Endothermic animals
- Enzyme activity and metabolism
- Light intensity
- Soil moisture meter
- Soil pH
Using Dissolved oxygen in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge