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Edexcel A-Level Biology AS 3p 10 Planning Investigations Questions

State a testable hypothesis, standardise the comparison, control key conditions and specify repeated quantitative measurements that can support a conclusion.

Syllabus
First assessment 2019
Course
Biology YBI11
Level
AS

Exam points

  • write a null hypothesis stating no difference or correlation between named variables
  • plan comparable treatments with controlled conditions and quantitative responses
  • extend data collection with repeats, a mean and a named measure of variability

Edexcel A-Level Biology AS 3p 10 Planning Investigations Questions question 1

[Maximum number: 3]

Carbohydrates are important molecules in living organisms.

The graph shows the relative sweetness of some monosaccharides and some disaccharides.

Figure for Question Edexcel A-Level Biology AS 3p 10 Planning Investigations Questions question 1 — Edexcel A-Level Biology AS

Devise an investigation that a student could carry out to confirm the data shown in the graph.

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