Biology 9700/51 May June 2017 | Cambridge AS Level Past Papers With Mark Scheme

1. Investigating caffeine effects on reaction time and heart rate, emphasizing double-blind methodology and measurement accuracy.

2. Correlating caffeine concentration with reaction time using Pearson’s linear correlation test for data analysis.

3. Identifying variables and addressing reliability in experimental designs involving physiological responses to caffeine.

4. Analyzing beetle population body size distribution across varying temperature sites and testing the hypothesis on size-temperature relationships.

5. Examining climate change implications on beetle population dynamics and morphological adaptations to environmental temperatures.