What this tests
Syllabus point 16.2 — Sexual reproduction, in Reproduction. Difficulty hard (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 · 16.2 Sexual reproduction
November 2025 · Paper 11 · Question 25
One real Cambridge question from Reproduction, with the official answer. Cambridge has printed this question 2 times.