Combined Science GCSE
Starch
What Starch means in Combined Science GCSE, as defined for AQA.
Definitions of Starch
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Starch in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The storage polysaccharide in plants, found in leaves, roots, tubers and seeds, which is compact, insoluble and easily hydrolysed back to glucose.
An insoluble, compact and osmotically inactive carbohydrate suitable for storage in leaves, roots, tubers and seeds.
A polysaccharide whose hydrolysis produces smaller sugars such as maltose and glucose.
Topics that use Starch
- Metabolism (AQA GCSE)
- The human digestive system (AQA GCSE)
- Uses of glucose from photosynthesis (AQA GCSE)
Related terms
Using Starch 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.
Start free
All Combined Science GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge