Biology 9700/32 May June 2011 | Cambridge AS Level Past Papers With Mark Scheme

1. Serial dilution techniques and Benedict’s test applications for glucose concentration determination in diabetic and non-diabetic urine samples.
2. Calculation and graphical representation of tube diameter variation along its length, using measurements from transverse sections.
3. Microscopic examination and comparative analysis of transverse sections of mammalian tubes, highlighting structural tissue differences.
4. Plan diagrams of plant stem transverse sections with labeled epidermis and xylem, and calculation of diameter-to-pith ratio.
5. Adaptations of plant epidermis for water conservation in arid environments, emphasizing observable xerophytic features.
6. Morphological analysis of pith cells in plant stems and labeling of cell wall structures for structural identification.