Biology 9700/11 May June 2020 | Cambridge AS Level Past Papers With Mark Scheme

1. Identifying cell type based on ultrastructural features, such as chloroplasts and cell membranes.

2. Comparing structural and functional differences between eukaryotic and prokaryotic cells, including ribosome type and DNA configuration.

3. Calculating linear magnification of human blood cells using eyepiece graticule measurements.

4. Evaluating polysaccharide structures based on monomers and glycosidic bond types, distinguishing between α- and β-glucose polymers.

5. Analyzing factors affecting cell membrane fluidity, including fatty acid chain properties and phospholipid saturation.

6. Understanding water potential gradient maintenance in plant xylem and its relation to capillarity, osmosis, and transpiration.