IGCSE Biology (0610) — May–June 2023, Paper 32

Fig. 1.1 shows a photograph of a pseudoscorpion, with one part labelled A. State two features, visible in Fig. 1.1, that can be used to classify this organism as an arachnid.

Fig. 2.1 is a diagram showing some of the structures found in a plant cell, with structures labelled L, M, N, Q, R, S and T. Table 2.1 shows the names of some plant cell…

Fig. 3.1 shows the action of an enzyme. On Fig. 3.1 use label lines and labels to identify: an enzyme; a product; a substrate.

A balanced diet includes foods that contain calcium ions. Circle the food that has the highest calcium content, from: cheese, egg, orange, potato.

Complete the sentences about anaerobic respiration in humans, using words or phrases from the list (each may be used once, more than once or not at all): alcohol, breaks down,…

The eye is a sense organ that contains receptor cells that respond to light. State three other stimuli that sense organs respond to.

A farmer wanted to use selective breeding to produce goats with a high milk yield. Fig. 7.1 shows a goat being milked. Describe the stages in selective breeding to develop goats…

Explain the importance of the acrosome and the mitochondria for the function of sperm cells.