Biology 9700/53 Oct Nov 2021 | Cambridge AS Level Past Papers With Mark Scheme

Past Papers

Multimedia

Forum

QuizHub

Tutorial

School

Past Papers

- Independent variable: temperature; dependent variable: volume of carbon dioxide produced.
- Stirring mixture: ensures uniform distribution of yeast and glucose, promotes consistent fermentation.
- Methodology: temperature variation, measure CO2 production, control variables, replicate trials, record data.
- Graph prediction: CO2 production vs. temperature, axes labeled with units, expected maximum rate identified.
- Crabtree effect: comparison of S. cerevisiae and C. tropicalis, evidence of fermentation behavior under high glucose and oxygen conditions.
- Species diversity analysis: correlation between latitude and bird species count, statistical significance, limitations of sampling method.

CIE AS & A Level Biology (9700) Nov 2021

Laura Bellini

Classification: Paper 5

Page count: 12

Viewed: 98

Last update: 2 months ago

Crash report

Create Quiz

Biology 9700/53 Oct Nov 2021 | Cambridge AS Level Past Papers With Mark Scheme

Releated questions

Related Past Papers