Biology 9700/53 Oct Nov 2011 | Cambridge AS Level Past Papers With Mark Scheme

1. Photosynthesis rate comparison across leaf colors using chloroplast extracts and wavelength variation.
2. Identification of anomalous results and recalculation of photosynthetic rates for accuracy.
3. Chromatography technique to separate and analyze pigments in different leaf types.
4. Genetic inheritance patterns in tailless cats analyzed through controlled crosses and statistical chi-squared tests.
5. Statistical interpretation of offspring ratios to validate genetic hypotheses.
6. Hypothesis-driven analysis of dominant allele effects in heterozygous and homozygous conditions.