Biology 9700/35 May June 2020 | Cambridge AS Level Past Papers With Mark Scheme

1. Investigating the impact of copper sulfate as an enzyme inhibitor on hydrogen peroxide decomposition by measuring oxygen volume.

2. Creating serial dilutions of copper sulfate solution and observing its effect on reaction rates.

3. Comparing enzyme inhibition effects using various inhibitors and measuring oxygen production.

4. Drawing and analyzing plant leaf transverse sections to identify tissue structures.

5. Calculating vascular tissue width and xylem vessel element mean width using graticule measurements.

6. Recording and comparing anatomical differences between midribs of two leaf samples.