IGCSE Biology (0970) — October–November 2024, Paper 52
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 28 marks · Photosynthesis
Photosynthesis occurs in chloroplasts. You are going to investigate the effect of light intensity on the rate of photosynthesis in a chloroplast suspension. The blue dye DCPIP can…
Answer this question and get it marked →Question 2 · 12 marks · Plant nutrition
A student investigates the effect of carbon dioxide concentration on the rate of photosynthesis using leaf discs. The student: • cuts 50 leaf discs from 5 leaves • puts 10 leaf…
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