IGCSE Biology (0970) — October–November 2023, Paper 42
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Red blood cells are specialised cells that transport oxygen. State the substance in red blood cells that combines with oxygen.
Answer this question and get it marked →Fig. 2.1 is a photograph of some leaves of a water lily, which is a hydrophyte. The water lily has adaptive features that are found in many different hydrophytes. Describe what is…
Answer this question and get it marked →Fig. 3.1 is a diagram of the junction between two neurones in a healthy person. Fig. 3.2 is a diagram of the junction between the same two neurones in a person who has Parkinson's…
Answer this question and get it marked →A scientist investigated the effect of temperature on the rate of photosynthesis in one species of plant (photosynthesis involves enzyme-controlled reactions). Discs were cut from…
Answer this question and get it marked →Describe two ways in which the circulatory system of a fish is different from the circulatory system of a mammal.
Answer this question and get it marked →State the names of two hormones released by the ovaries.
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