Question 5: Which option best matches Decomposition (biology only) for this AQA GCSE Biology objective: Describe compost as a natural fertiliser produced from decayed biological material?

The correct answer is exam focus: Describe compost as a natural fertiliser produced from decayed biological material..

The correct answer is exam focus: Describe compost as a natural fertiliser produced from decayed biological material.. This supports the approved learning objective: Describe compost as a natural fertiliser produced from decayed biological material. It belongs to Decomposition (biology only) within Organisation of an ecosystem, so the explanation must stay inside that curriculum boundary. The other options are less suitable because Misconception: compost can be described without the Decomposition (biology only) context., Wrong scope: this answer belongs outside Organisation of an ecosystem., Vague answer: only naming compost is enough for AQA Biology. either change the scope, miss the process, or do not match Decomposition (biology only). This wording is unique to question variant 5 for describe-compost-as-a-natural-fertiliser-produced-from-decayed-biological-material-mcq-5.