IGCSE Science - Combined (0653) — May–June 2024, Paper 32

Fig. 1.1 is a diagram of the male reproductive system in humans, with parts labelled A, B, C, D, E. State the letter on Fig. 1.1 that identifies the: urethra scrotum

A student investigates the reaction of magnesium with excess dilute hydrochloric acid using the apparatus shown in Fig. 2.1. The equation for the reaction is: Mg + 2HCl → MgCl2 +…

Fig. 3.1 shows an old-fashioned room heater made of iron. The heater burns oil as a fuel and a pan of water is being heated on top. The oil is a source of stored energy. State the…

Fig. 4.1a shows a white blood cell. Fig. 4.1b shows a type of plant cell. State the type of plant cell shown in Fig. 4.1b.

Aluminium ore contains aluminium oxide. Aluminium is extracted from aluminium oxide in the process shown in Fig. 5.1 (a carbon cathode and carbon anode in a molten mixture…

Fig. 6.1 shows a rover vehicle on the planet Mars. The vehicle travels at an average speed of 0.0089 m / s. Show that the average speed of the vehicle is 0.032 km / h.

Fig. 7.1 describes the feeding relationships in one food chain: robins are small birds that eat caterpillars; caterpillars are primary consumers; a merlin is a large bird that…

The structures of compounds P and Q are shown in Fig. 8.1. Compound P is a saturated hydrocarbon (a chain of three carbons with single bonds) and compound Q has a carbon-carbon…

A student investigates the current in different resistors by connecting them in a circuit with a battery and an ammeter. When a 4.0 Ω resistor is connected in this circuit, the…