Biology
Core Practical 9
Investigate the antimicrobial properties of plants, including aseptic techniques for the safe handling of bacteria. MARKING SCHEME
Core Practical 8
Determine the tensile strength of plant fibres. MARKING SCHEME
Core Practical 7 – Additional 1
Investigate plant mineral deficiencies. MARKING SCHEME
Core Practical 7
Use a light microscope to:(i) make observations, draw and label plan diagrams of transverse sections of roots, stems and leaves(ii) make observations, draw and label cells of plant tissues(iii)identify sclerenchyma fibres, phloem, sieve tubes and xylem vessels and their location. MARKING SCHEME More RECOMMENDED ADDITIONAL PRACTICAL Investigate plant mineral deficiencies.
Core Practical 6
Prepare and stain a root tip squash to observe the stages of mitosis. MARKING SCHEME
Core Practical 5 – Additional 1
Investigate factors affecting the growth of pollen tubes. MARKING SCHEME