Biology 9700 Practical Notes ((install)) Instant

| Stain | Target | Colour seen | |-------|--------|-------------| | | Starch | Blue-black | | Benedict’s | Reducing sugars (with heat) | Brick-red precipitate | | Biuret | Protein | Purple (violet) | | Sudan III | Lipids | Red-orange layer | | Methylene blue | Living cells / nuclei | Blue (temporary stain) |

Always record burette readings to 0.05 and stopwatch readings to the nearest second (unless told otherwise). biology 9700 practical notes

Your "biology 9700 practical notes" are not just a set of facts; they are a protocol for behavior in the exam hall. Paper 3 rewards the neat, the careful, and the quantitative. Paper 5 rewards the methodical planner who anticipates error. | Stain | Target | Colour seen |

Download the "Cambridge 9700 Practical Marking Schemes." Read the "Expected answers" column. You will notice that examiners use the same 30 phrases over and over. Learn those phrases verbatim. Paper 5 rewards the methodical planner who anticipates error

Drawings are a major source of marks. Don't let simple errors cost you.

🧪 Biology 9700 Practical Exam Guide Cracking the AS & A Level Biology (9700) practical paper requires more than just knowing the theory—it’s about demonstrating precision in the lab and on paper. This post breaks down the core skills and techniques you need to master based on the latest CAIE practical requirements . 🖌️ Master Your Biological Drawings

For rate experiments, you must state "Mix thoroughly with a clean stirring rod" – missing this loses a "manipulation" mark.