Science Coordinate 0654: B9. Coordination and response Topical Past Paper Questions
Cambridge IGCSE Science Coordinate (0654) past-paper questions on B9. Coordination and response, free. This topic is frequently examined across 23 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A student investigates how small animals respond to the presence of light and water vapour in their surroundings. The student uses a dish with a lid (choice chamber) as shown in Figure 2.1. Figure 2.1 The choice chamber is divided into four areas. Each area has different conditio…
Daphnia are transparent aquatic animals that live in ponds. They are viewed using a microscope allowing their heart rate to be measured and recorded. Fig. 2.1 shows a Daphnia viewed using a microscope. Fig. 2.1 (a) A student investigates the effect of some solutions on the heart…
(a) A student investigates the effect of light intensity on the rate of photosynthesis. The student places a lamp 10cm from an aquatic plant. The student records the number of bubbles of oxygen released in two minutes. The student repeats this investigation increasing the distanc…
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