AS & A Level Biology (9700) — May–June 2024, Paper 31
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 20 marks · Cell membranes and transport
Plasmolysis may be seen in onion cells that have been put into a sodium chloride solution. Plasmolysis occurs when water moves out of the cells and the cell surface membrane pulls…
Answer this question and get it marked →Question 2 · 20 marks · Transport in plants
Many plants store starch in their roots. The amount of starch present in roots can vary with the seasons. In the summer months, when plants are actively growing, the starch…
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