A-LevelBiologyInfectious diseasesMay/June 2024Paper 2 Q312 Marks
A class of students was studying the features of some human pathogens. One of the students constructed a flow chart to identify four different human pathogens. The student used information about the structure and mode of transmission of each of these pathogens. Fig. 3.1 shows the partially completed flow chart. [Figure 3.1] Complete the flow chart in Fig. 3.1 by identifying: • the modes of transmission • the scientific names of the pathogens • the name of one of the diseases.
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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