IGCSE Science - Combined (0653) — May–June 2024, Paper 43

Fig. 1.1a and Fig. 1.1b are diagrams of different flowers, with parts labelled A, B (Fig. 1.1a) and C, D, E (Fig. 1.1b). Table 1.1 shows some of the labels, the name of the part…

Oxides of nitrogen are pollutant gases formed in car engines. Nitrogen, N2, and oxygen, O2, react together in car engines to make nitrogen monoxide, NO. Nitrogen monoxide reacts…

Fig. 3.1 shows a television (TV) connected to a satellite dish. The satellite dish receives microwave signals from a satellite above the Earth. Fig. 3.2 is an electromagnetic…

Fig. 4.1 shows a model of the alimentary canal and associated organs of humans, viewed from the back, with the stomach labelled. On Fig. 4.1, draw a label line and the letter P to…

Zinc and some zinc compounds react with dilute acids to make salts. Complete the word equations for the following reactions. zinc + sulfuric acid → + hydrogen + hydrochloric acid…

Fig. 6.1 shows three forces, Q, R and P, acting on a bus moving along a level road at constant speed (Q is friction backwards, R is the upward normal force, P is the weight…

Fig. 7.1 is a diagram of a cross-section through a leaf, showing a spongy mesophyll cell, the vascular tissue X (xylem) and Y (phloem), and stomata. State one way the function of…

The structures of ethene and ethane are shown in Fig. 8.1 (ethene has a C=C double bond; ethane has only single bonds). Ethene is a member of the alkene homologous series. All…

Fig. 9.1 shows a simple circuit containing two identical lamps in series, a cell and an ammeter. Complete these sentences. Potential difference is measured in units called . The…