Where the marks actually go
Assessment Unit A2 1 is 85 marks in 2 hours 30 minutes, close to 1.8 minutes a mark, more room per mark than any other paper in this subject. It comes in two options, Food Security and Sustainability, or Food Safety and Quality, and you sit whichever option your centre has taught. AO2, applying knowledge and analysing problems, still carries half the marks, but AO3, evaluation and justified argument, rises to 30 percent here, its highest weighting anywhere in the specification. AO1 recall drops to 20 percent. This is the most evaluative paper you will sit in this subject.
Paper structure and timing
Every paper opens with a compulsory two-part structured question in Section A, worth 25 marks between its parts, then moves to Section B, where you choose three extended essays from a choice of four, each worth 20 marks. Section B is therefore 60 of the 85 marks, more than two thirds of the paper. Do not let Section A run over its share of time. At close to 1.8 minutes a mark, Section A deserves around 45 minutes and each Section B essay around 36, leaving a few minutes to choose your three essays and check your work.
The highest-yield technique: name the example, then explain the mechanism
The most repeated pitfall across the papers we have analysed is staying general where the mark scheme wants a named example. An essay on chemical contamination that never names a specific mycotoxin, such as patulin or ochratoxin A, or a specific additive, such as aspartame or MSG, cannot reach the top band, however sound its general argument. An essay on food waste or sustainability that never names a real mechanism, monocropping depleting soil nutrients and increasing erosion, for instance, reads as description rather than analysis. Build your revision around named cases and named mechanisms you can drop into an essay, not general themes.
The second highest-yield habit is balance. A 20-mark essay that asks you to weigh two elements, environmental impact against ethical issues, technological benefit against health risk, is one mark scheme with a ceiling for one-sided coverage. Plan both sides before you write the first sentence, and check your balance again once you are two paragraphs in.
CCEA conventions to get right
Section A's compulsory question is worth 25 marks, close to a third of the paper, and candidates consistently under-treat its 15-mark second part as a set of brief notes rather than an extended, coherent analysis. Give it the same structured, paragraphed treatment you would give a Section B essay, not a shorthand version.
Quality of Written Communication is assessed across the extended responses, and the Level 4 band specifically rewards structured paragraphs, precise regulatory terminology, Maximum Residue Limit, Acceptable Daily Intake, Tolerable Daily Intake used correctly and distinctly, and named statutory bodies used in the right context. Confusing these three regulatory terms, or assuming a body such as an Environmental Health Practitioner only inspects restaurants when its statutory duties also cover water surveillance and outbreak tracing, are both recorded, repeated errors that cap otherwise strong answers below Level 4.
Exam day plan
Read all four Section B titles before choosing your three, and pick the ones where you can name real examples and real mechanisms, not just the ones that sound familiar from revision. Answer Section A first while your recall is freshest, and write it in full paragraphs, not notes. Split the remaining time evenly across your three chosen essays, and in your last five minutes check each one for at least one named example and a clear, balanced structure.