Sciences Co-ordinated 9-1 0973: B3 - Movement in and out of cells Topical Past Paper Questions

Figure 1.1 shows a magnified image of a specialised plant cell. Figure 1.1 (a) Identify the type of plant cell shown in Figure 1.1. [1] (b) (i) The plant cell in Figure 1.1 grows rapidly to a length of 1.3 mm. The image size of the plant cell in Figure 1.1 is 100 mm long. Calcula…

What is an example of osmosis? A a leaf stalk swells up when placed in a bowl of water B carbon dioxide enters a leaf during photosynthesis C the movement of red blood cells to the lungs to collect oxygen D the passage of digested food molecules through the wall of the small inte…

A student investigates the glucose concentration of solution S. Benedict's solution is added to glucose solutions of different concentrations which are then heated. The resulting colour observed is an indication of the glucose concentration. ## (a) Procedure The student: - uses c…