Biology 9700/33 May June 2016 | Cambridge AS Level Past Papers With Mark Scheme
1. Effect of temperature on catalase activity in plant extract, assessment of hazards, and determination of enzyme reaction times.
2. Graphical representation of initial catalase activity rates in various plant species.
3. Observational analysis of plant leaf anatomy: plan diagrams of vascular bundles and structural variations in epidermal cells.
4. Measurement of midrib depth to vascular bundle diameter ratio, and adaptation features related to habitat.
5. Comparison of structural differences between leaves of different plant specimens, focusing on observable tissue layers.

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