Biology 9700/31 Oct Nov 2017 | Cambridge AS Level Past Papers With Mark Scheme
CIE
AS & A Level
Biology (9700)
Nov
2017
1. Investigating water potential in potato tissue by osmosis using sucrose solutions of varying concentrations.
2. Measuring blue solution movement to estimate equilibrium concentrations and water potential of potato cells.
3. Drawing and comparing starch grain structures from different plant types and annotating observable differences.
4. Graphing changes in reducing sugar concentration during starch hydrolysis by salivary amylase and calculating percentage increase.
5. Drawing a plan diagram of stem cross-section showing epidermis, vascular bundles, and phloem identification.
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Laura Bellini 
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