Biology 9700/33 March 2018 | Cambridge AS Level Past Papers With Mark Scheme

1. Estimating reducing sugar concentration in mung bean seed solutions using serial dilutions and Benedict's test.

2. Monitoring enzymatic activity over time to analyze sugar hydrolysis patterns in seed extracts.

3. Testing for protein presence in water surrounding seeds and hypothesizing its enzymatic role in sucrose hydrolysis.

4. Drawing bar charts to represent enzyme concentration data across plant species for comparative analysis.

5. Measuring and sketching the mid-rib section of a leaf to evaluate vascular and surrounding tissue proportions.

6. Calculating tissue-to-air space ratios in leaves and comparing xerophytic adaptations between different species.