What this tests
Syllabus point 6.1 — Photosynthesis, in Plant nutrition. Difficulty easy (estimated from the question's demands, not a Cambridge rating).
Also set in
The same question, as Cambridge printed it in other papers.
Cambridge IGCSE Biology 0610 · 6.1 Photosynthesis
June 2018 · Paper 12 · Question 12
One real Cambridge question from Plant nutrition, with the official answer. Cambridge has printed this question 2 times.