approximation
What approximation means in Biology GCSE, as defined for OCR.
Definition of approximation
Check what you remember
Read the wording for your board, then hide it and explain approximation in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
A sensible value produced by estimation, rounded to one or two significant figures rather than excessive decimal places.
Topics that use approximation
- Cell structures (OCR GCSE)
Related terms
- cell dimensions
- cell membranes
- chloroplasts
- estimation
- field of view
- light microscopy
- magnification calculation
- Mitochondria
Using approximation 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