Biology GCSE
bubble counting
What bubble counting means in Biology GCSE, as defined for OCR.
Definition of bubble counting
Check what you remember
Read the wording for your board, then hide it and explain bubble counting in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Counting bubbles released per minute from pondweed as a direct, simple measure of photosynthetic rate, though bubble volume varies and rapid bubbling is hard to count accurately.
Topics that use bubble counting
- Photosynthesis (OCR GCSE)
Related terms
- axis scaling
- Biomass
- Bunsen burner
- carbon dioxide concentration
- chlorophyll
- chloroplasts
- commercial applications
- compound measures
Using bubble counting 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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