Biology 9700/52 May June 2016 | Cambridge AS Level Past Papers With Mark Scheme

1. Methods for measuring biodiversity using Simpson’s Index, data collection in grazed and ungrazed grasslands.
2. Random sampling techniques for unbiased biodiversity assessment, including quadrat placement and species identification.
3. Analysis of plant height differences in grazed versus ungrazed grasslands, statistical tools for means, medians, and standard error.
4. Use of mark-release-recapture to estimate invertebrate populations, precautions to ensure validity.
5. Impact of smoking on peak expiratory flow rate, analyzing relationships between smoking intensity, age, and pulmonary function.
6. Null hypothesis formulation for statistical tests, reliability concerns in data subsets with smaller sample sizes.