Paper 3: Unified Biology
Synoptic paper examining content from all modules 1 to 6 Assessment: 1½ hour written exam. Worth 70 marks - 26% of A-level mark.
Non-Exam Assessment
A portfolio of 12 practicals is assessed by the teacher as pass or fail and is separate to the overall grade.
The topics for the practicals are: Chromatography or electrophoresis Colorimeter or potometer Dissection Investigation using a data logger or computer modelling Investigation into measurement of plant or animal responses Microbiological techniques Microscopy Qualitative testing Rates of enzyme controlled reactions Research skills
Sampling techniques Transport in and out of cells
The assessment criteria for the practicals are:
• the safe and correct use of a range of practical equipment and materials
• an ability to follow written instructions
• the organisational skills to keep appropriate records of experimental activities
• make and record observations/measurements • present information and data in a scientific way
• use a wide range of experimental and practical instruments, equipment and techniques
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