IGCSE Biology (0610) — October–November 2024, Paper 31

Fig. 1.1 shows a diagram of an animal cell and a bacterial cell. The animal cell has structures labelled A, B, C and D; the bacterial cell has structures labelled E, F, G and H…

Using the information in Fig. 2.1, identify: an organism that feeds at the third trophic level a herbivore a carnivore an organism that is a primary consumer and a secondary…

Fig. 3.1 shows a photograph of some leaves on a tree. State two features of the leaves, visible in Fig. 3.1, that are adaptations for photosynthesis.

Fig. 4.1 is a diagram of part of the human male reproductive system, with structures labelled P, Q, R, S, T and U. Identify the letter in Fig. 4.1 for the structure that: produces…

Fig. 5.1 shows part of the human gas exchange system, with a structure labelled F (in the upper airway) and an enlarged view of an alveolus and structure labelled G. Identify the…

State the meaning of the term variation.

Fig. 7.1 shows how some uses of land have changed from the year 1500 to the year 2000 in one country. The graph plots percentage of land used (y-axis, 0 to 80) against year…

Yeast can respire anaerobically. The box on the left ('Anaerobic respiration in yeast') shows the beginning of a sentence. The boxes on the right show some sentence endings:…