Biology A-Level
Auxins
What Auxins means in Biology A-Level, as defined for OCR.
Definition of Auxins
Check what you remember
Read the wording for your board, then hide it and explain Auxins in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Used as selective weedkillers, affecting broad-leaved plants more than narrow-leaved cereals, and as rooting powders for cuttings.
Topics that use Auxins
- Plant and animal responses (OCR A-Level)
Related terms
- Adrenaline and fight-or-flight
- Autonomic control of heart rate
- Autonomic nervous system
- Auxin
- Auxin (IAA)
- Cerebrum
- Comparison of muscle tissue types
- Dwarf mutants and hormone-replacement experiments
Using Auxins 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 Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge