Biology 9700/03 May June 2004 | Cambridge AS Level Past Papers With Mark Scheme

1. Identification of biological solutions: glucose detection using Benedict’s test, protein identification via Biuret test, and non-glucose carbohydrate analysis using iodine.

2. Semi-quantitative glucose testing: application of Benedict’s reagent, color gradient interpretation for glucose concentration estimation.

3. Root tip cell analysis: high-power drawings of mitotic stages including metaphase, anaphase, and telophase.

4. Comparison of root tip regions: structural and functional differences between cells in interphase and dividing regions, annotated drawings indicating distinctions.

5. Observational microscopy skills: preparation and staining techniques for root tip samples, with emphasis on scale accuracy in cellular drawings.