Biology 9700/41 Oct Nov 2010 | Cambridge AS Level Past Papers With Mark Scheme

1. Ecosystem biodiversity benefits, including species interactions, environmental stability, and ecological services.
2. Antibiotic resistance evolution in Pseudomonas aeruginosa, effects of mutations on enzyme activity, and antibiotic interaction with bacterial biofilms.
3. IVF and IVM processes, including hormonal regulation, oocyte maturation, and fertilization techniques with their associated advantages and disadvantages.
4. Insulin production using recombinant DNA technology, comparing injection and inhalation methods for glucose regulation.
5. Rice plant adaptations to flooding, differences in nutritional content between brown and white rice, and the significance of staple foods.
6. Genetic and environmental factors affecting the distribution of sickle cell alleles and their relationship to malaria prevalence.
7. Auxin effects on apical dominance, calculations of percentage differences in plant shoot growth, and auxin's inhibitory role on lateral growth.
8. Photosynthesis mechanisms, accessory pigment functions, differences in photophosphorylation pathways, and environmental influences on photosynthetic rates.