IGCSE Biology (0610) — October–November 2024, Paper 43

6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.

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Question 1 · 13 marks · Human nutrition / Digestion

Fig. 1.1 shows part of the human digestive system (outline of a body with the digestive organs). Using label lines and the letters shown on Fig. 1.1, identify: the organ that…

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Question 2 · 12 marks · Classification / Arthropods

Aphids are arthropods. Aphids insert their mouthpieces into the phloem in the stem of a plant to feed. An aphid is shown in Fig. 2.1 (magnification ×22). Identify two features…

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Question 3 · 12 marks · Diseases and immunity / HIV

HIV can be transmitted from mother to infant. Describe how the risk of a mother transmitting HIV to their infant can be reduced.

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Question 4 · 14 marks · Respiration / Anaerobic respiration

Human muscle cells use anaerobic respiration during vigorous exercise. State the word equation for anaerobic respiration in humans.

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Question 5 · 9 marks · Variation and selection

Feather colour in some breeds of chicken is an example of codominance in birds. In this example, a chicken with white feathers and a chicken with black feathers can breed to…

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Question 6 · 20 marks · Inheritance

Some blood-clotting disorders can be inherited. Describe what is meant by the term inheritance.

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