Use sharp, continuous lines (no shading). Labels must be on one side with straight leader lines. Magnification Formula:
This article covers the general trends and specific answer structures for Cambridge International Examinations (CIE) 5090 and GCE O Level Biology Practical papers from the 2020 series (including variants: Paper 31, 32, 33, 34, 35, and 36). While actual confidential mark schemes are copyrighted, this guide reconstructs the expected answers based on examiner reports and typical practical assessment objectives. o level biology practical 2020 answers
Record what you see (e.g., "blue-black color formed"), not what you know (e.g., "starch is present"). Use sharp, continuous lines (no shading)
Describe the procedure and result for testing solution B for reducing sugar. "blue-black color formed")