What you keep the same (e.g., temperature, pH). Experimental Errors: Systematic: Faulty equipment (e.g., a thermometer that is 2∘2 raised to the composed with power
Random: Difficulty in judging a color change (end-point). Use a colorimeter or a standard color chart to improve this. 💡 Quick Tips for Exam Day biology 9700 practical notes
Draw only the tissue layers (e.g., epidermis, xylem, phloem). No shading or sketching allowed. . Ensure units are converted to micrometers ( ) before calculating. 🧪 Core Skill 2: Biochemical Testing What you keep the same (e
Mastering the Biology 9700 Practical (Paper 3) Scoring an A in AS Level Biology often hinges on . This practical exam tests your ability to follow instructions, collect data, and analyze results under pressure. 🔬 Core Skill 1: Microscopic Techniques 💡 Quick Tips for Exam Day Draw only