Biology 0610: CO-ORDINATION AND RESPONSE Topical Past Paper Questions

Figure 3.1 shows the thickness of the uterus lining during one menstrual cycle. thickness of the uterus lining Figure 3.1 (a) Explain how oestrogen and progesterone are involved in the changes shown in Figure 3.1. [4] (b) Complete the sentences about egg cells by writing words or…

(a) (i) State the balanced chemical equation for photosynthesis. [2] > (ii) Chlorophyll is needed for photosynthesis. > > State the name of the mineral ion needed to make chlorophyll. [1] > > (iii) State the name of the carbohydrate used for energy storage in a plant. [1] (b) A p…

**(a)** Fig. 3.1 shows a growing plant. The plant is growing in the dark. Fig. 3.1 > **(i)** State the name of the growth response shown by the plant shoot in Fig. 3.1. > > [1] > **(ii)** Explain how the growth of the plant shoot in Fig. 3.1 is controlled. > > [3] **(b)** Plant r…