Biology Practicals O Level -
Drawing a specimen (like a cross-section of a stem or a flower) is an easy way to score points if you follow the rules: Use a . No "shading" or "sketching"—use clear, continuous lines . Labels must be straight lines, never crossing each other. 3. How to Avoid Common Pitfalls The "Table" Trap
“Make a large drawing of the cell shown in Fig. 1. Label the nucleus and cell wall.” Marks: proportion, clear outlines, correct labels, no shading. biology practicals o level
: Investigating osmosis and diffusion using potato strips or Visking tubing in various concentrations of salt or sugar solutions. Drawing a specimen (like a cross-section of a
The exam isn't just about getting the "right" result; it’s about demonstrating scientific rigor. Examiners focus on four main areas: Label the nucleus and cell wall
“Design an experiment to investigate the effect of pH on amylase activity.” Answer structure: