Edexcel A-Level Biology AS 3p 4 Presenting Data Questions
Select the requested observations, preserve precision, put variables and units in headings and choose a format whose scale or visual structure supports valid comparison.
Syllabus
First assessment 2019
Course
Biology YBI11
Level
AS
Exam points
construct tables with variables, units and raw or processed values at consistent precision
select only the requested time points or treatments without adding irrelevant data
evaluate a presentation format through clarity, comparison and retained numerical detail
Edexcel A-Level Biology AS 3p 4 Presenting Data Questions question 1
[Maximum number: 3]
The enzyme invertase breaks down sucrose into its two component monosaccharides.
The graph shows the results of this investigation.
Initial rate of reaction as a percentage of the maximum initial rate (\%)
Draw a suitable table to show these results.
pH
Initial rate of reaction as a percentage of the maximum initial rate
3.5
45
4.5
84
5.5
100
6.5
90
7.5
74
8.5
33
A table showing the following features:
- suitable table drawn (1)
- headings of pH and Initial rate of reaction as a percentage of the maximum initial rate (1)