Biology: 9700 Practical Notes

The next morning, in the lab, the timer started. Zara didn't panic. She opened her practical notes—not to read, but to remember .

This is the easiest way to lose marks.

: These should show the distribution of tissues, not individual cells. Ensure all tissue layers are completely enclosed by lines and that proportions are accurate. High-Power Detail

You can know the theory of glycolysis inside out, but if you can’t use a graticule or spot contamination in a dilution series, you will lose marks.

: Add a few drops of iodine solution. A color change from brown/orange to blue-black indicates starch. Lipids (Emulsion Test)

: Used to show the distribution of tissues (e.g., leaf, dicot stem, dicot root).

"Why did you leave the slide for 5 minutes before observing?" A: "To allow the stain to penetrate the cells and to allow the tissue to equilibrate (e.g., plasmolysis to occur)."

Since "notes" usually refers to the study guides students use to prepare for Paper 3 (Advanced Practical Skills) and Paper 5 (Planning, Analysis, and Evaluation), this review analyzes the of standard high-quality revision materials for this syllabus.