IGCSE Biology (0610) — October–November 2023, Paper 63
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Question 1 · 22 marks · Practical skills (recording results)
Flour and yeast are used to make bread dough. Respiration in yeast produces carbon dioxide gas bubbles that make the bread dough increase in volume. A student used bread dough to…
Answer this question and get it marked →Question 2 · 18 marks · Practical skills (biological drawing); Leaf structure
Fig. 2.1 is a photomicrograph of two guard cells in the lower epidermis of a leaf (magnification ×1650), showing two guard cells, surrounding epidermal cells, and line PQ marking…
Answer this question and get it marked →