Biology 9700/12 Oct Nov 2019 | Cambridge AS Level Past Papers With Mark Scheme
1. Calibration of eyepiece graticules using stage micrometers in microscopy.
2. Structural and functional differences in eukaryotic and prokaryotic cells, including RNA types and ribosomes.
3. Benedict’s test calibration for reducing sugar concentration estimation, ensuring variable standardization.
4. Osmotic balance and water potential in plant tissues, interpreting results from sucrose solutions and water potential gradients.
5. Role of adhesion, cohesion, and hydrogen bonding in water transport within xylem vessels.
6. Immune response assessment using antibody concentrations, lymphocyte counts, and booster reaction times.
باز نشر محتواها در فضای مجازی، ممنوع است.

باز نشر محتواها در فضای مجازی، ممنوع است.