Biology 9700/05 Oct Nov 2008 | Cambridge AS Level Past Papers With Mark Scheme

1. Effectiveness of penicillin concentrations on bacterial species by measuring inhibition zones in nutrient agar.
2. Identification and control of variables affecting bacterial growth, including antibiotic diffusion and agar consistency.
3. Comparative analysis of stomatal densities on upper and lower epidermal layers in roadside plant leaves.
4. Calculation of mean stomatal densities, standard errors, and confidence intervals to determine significant differences in stomatal distribution.
5. Applications of electrophoresis and fluorescent gene probes for creating DNA fingerprints and identifying allele variations.
6. International HapMap project objectives for mapping human genetic diversity and methodologies for controlling variations among individuals and ethnic groups.