0653 · IGCSE · B17
Variation and selection
7 real Combined Science questions on Variation and selection, drawn from past series. Open one to see the genuine paper, then sign in free to get it marked point by point.
Questions
7Drill Variation and selection properly.
Tick Variation and selection in the app and it builds a drill from these exact questions, marked as you answer, with every lost mark explained against the official scheme.
5 marked answers a day, free. No card.