AS & A Level Biology (9700) — May–June 2025, Paper 54
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 21 marks · Practical skills
A student investigated the effect of gibberellin (GA) and abscisic acid (ABA) on the germination of wheat grains. The student found out the following information: The molecular…
Answer this question and get it marked →Question 2 · 9 marks · Practical skills
A student investigated the oxygen consumption of isolated mitochondria under different conditions. Mitochondria were isolated by crushing liver cells in ice cold buffer and…
Answer this question and get it marked →