What this tests
Syllabus point 18.1 — Variation, in Variation and selection. 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 · 18.1 Variation
June 2020 · Paper 11 · Question 34
One real Cambridge question from Variation and selection, with the official answer. Cambridge has printed this question 7 times.