Biology 9700/52 May June 2018 | Cambridge AS Level Past Papers With Mark Scheme

1. Investigating the light-dependent stage of photosynthesis using DCPIP reduction as an indicator under different light intensities.

2. Calculating light intensity and analyzing reaction completion based on colorimeter data over time.

3. Comparing effects of weed killers on chloroplast function through t-tests and absorption values.

4. Conducting ecological surveys to estimate deer and sheep population densities using dung counts and their effect on plant species diversity.

5. Evaluating grazing impacts by comparing deer dung counts in mixed-species and single-species grazing sites.