Biology GCSE
Iodine solution
What Iodine solution means in Biology GCSE, as defined for AQA.
Definitions of Iodine solution
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Reference: AQA
The reagent used to test for starch, turning blue-black when starch is present and remaining orange-brown when starch is absent.
Added at room temperature, a blue-black colour indicates starch.
Topics that use Iodine solution
- The human digestive system (AQA GCSE)
Related terms
- Absorption and transport
- active site
- Active site and substrate binding
- Amylase
- Anabolic and catabolic reactions
- Apparatus and measurement skills
- Benedict’s test for reducing sugars
- Biological catalysts
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