Biology GCSE
safe zone measurement through closed dish
What safe zone measurement through closed dish means in Biology GCSE, as defined for OCR.
Definition of safe zone measurement through closed dish
Check what you remember
Read the wording for your board, then hide it and explain safe zone measurement through closed dish in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Zone of inhibition diameters are measured through the bottom of the unopened petri dish to the nearest millimetre using a transparent ruler.
Topics that use safe zone measurement through closed dish
- Microbiological techniques (OCR GCSE)
Related terms
- convection current
- differential staining and contrast
- disc diffusion antimicrobial assay
- high-power microscopic resolution
- mass, gas volume and pH measurement
- microbial smear preparation and heat-fixing
- microbiological scientific drawing
- negative control verification
Using safe zone measurement through closed dish 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 GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge