Biology 9700 Practical Notes Free (QUICK)

Half of Paper 5 is evaluating someone else's bad experiment.

Acidify with hydrochloric acid, boil to hydrolyze glycosidic bonds, neutralize with sodium hydrogencarbonate, then perform the standard Benedict's test.

Dissolve the sample in ethanol, pour into water. A milky white emulsion indicates lipids. biology 9700 practical notes

1 Stage Micrometer Division (SMD)=0.01 mm (or 10 μm)1 Stage Micrometer Division (SMD) equals 0.01 mm (or 10 mu m) Use the formula:

Do not simply read notes. You must do active recall. Half of Paper 5 is evaluating someone else's bad experiment

Used to compare observed categorical data with expected frequencies (e.g., genetics phenotypic ratios).

Mastering the Cambridge International AS & A Level Biology (9700) practical paper requires a solid grasp of core experimental techniques, accurate data collection, and precise analytical skills. This comprehensive guide serves as your ultimate revision notebook, breaking down essential laboratory skills, mandatory experiments, data presentation rules, and high-yield exam strategies. 1. Core Laboratory Techniques & Microscopy A milky white emulsion indicates lipids

You must differentiate between systematic errors and random errors.

Describe the exact method used to quantify your DV. Name the specific apparatus (e.g., "measure

Connect data points with (point-to-point) when the intermediate values are unknown or unpredictable. 5. Paper 5 Exam Strategy: Experimental Design & Analysis