Biology A-Level
phototropism and gravitropism
What phototropism and gravitropism means in Biology A-Level, as defined for AQA.
Definition of phototropism and gravitropism
Check what you remember
Read the wording for your board, then hide it and explain phototropism and gravitropism in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Responses in flowering plants explained by the effect of different concentrations of indoleacetic acid on cell elongation in roots and shoots.
Topics that use phototropism and gravitropism
- Survival and response (A-level only) (AQA A-Level)
Related terms
- Chi-squared (χ²) test
- Controlled variables
- favourable environment
- independent and dependent variables
- indoleacetic acid
- meristems
- plant growth factors
- receptor specificity
Using phototropism and gravitropism 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