estimation
What estimation means in Biology GCSE, as defined for AQA, OCR.
Definitions of estimation
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 estimation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A rapid, sensible approximation of cell dimensions and populations used when exact measurements are impractical, and to verify whether calculated answers are physiologically reasonable.
A sensible approximate value, not a guess, based on comparison with a known scale.
Topics that use estimation
- Animal and plant cells (AQA GCSE)
- Cell structures (OCR GCSE)
Related terms
- chloroplasts
- Mitochondria
- approximation
- cell dimensions
- Cell membrane
- cell membranes
- Cell structure
- Cell wall
Using estimation 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.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge