Biology A-Level
Correct units and significant figures
What Correct units and significant figures means in Biology A-Level, as defined for OCR.
Definition of Correct units and significant figures
Check what you remember
Read the wording for your board, then hide it and explain Correct units and significant figures in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Recording the value with its unit and rounding to an appropriate number of significant figures consistent with the resolution of the apparatus.
Topics that use Correct units and significant figures
- Use of apparatus and techniques (OCR A-Level)
Related terms
- Accuracy of observation transferred to paper
- Accurate reading of scales and menisci
- Annotation as recorded evidence
- Apparatus selection
- Calibration of the eyepiece graticule
- Clarity and convention in biological drawing
- Colorimetry and calibration
- Computer modelling
Using Correct units and significant figures 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.
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