Biology A (Salters-Nuffield) A-Level
phloem
What phloem means in Biology A (Salters-Nuffield) A-Level, as defined for Pearson Edexcel.
Definition of phloem
Check what you remember
Read the wording for your board, then hide it and explain phloem in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Living sieve tubes with sieve plates and companion cells, occupying the outer vascular bundle and translocating organic solutes such as sucrose in either direction.
Topics that use phloem
- Topic 4: Biodiversity and Natural Resources (Pearson Edexcel A-Level)
Related terms
- Adaptation and speciation
- Allele frequency change over time
- Amyloplast
- Aseptic technique
- Binary fission
- Biodegradability
- Calcium and magnesium in plant structure and function
- Cellulose
Using phloem 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 A (Salters-Nuffield) questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Biology A (Salters-Nuffield) A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge