9.9 A celery stalk was placed into a beaker of blue dye. When the dye reached the leaves, the stalk was taken out and a section was cut, as shown in the diagram.     Right-click on the blue button to open Fig 9.9(a)         Which diagram shows the appearance of the cut end of the stalk? (1)   Right-click on the blue button to open Fig 9.9(b) to see your options.      

7.1.3 Describe how the structure of a fish heart differs from that of a human heart. (3)

4.2 Reflexes in animals and phototropism in plants are both responses to stimuli.   4.2.1 Give two similarities between the mechanisms involved in each response. (2)

6.2.1  Describe how the bottles can be sterilised. (1)

8. Many people in South Africa eat fish and chips.   8.1 Describe what happens to fish protein in the stomach. (4)

6.1.2 What is meant by the term anaerobic? (1)

6. Yeast can be used to make beer. This process takes place in anaerobic conditions.    

3.3.1 Kidney failure can be treated by transplanting a healthy donor kidney into the patient. The procedure involves connecting two blood vessels and a tube to the transplanted kidney. Name the two blood vessels and the tube. (2)   Blood vessel 1 …………     Blood vessel 2 …………..     tube ……………….  

5.1 Write a balanced chemical symbol equation for photosynthesis. (2)      

3.2 The diagram shows a kidney nephron with parts labelled A, B and C.     Right-click on the following button to open Figure 3.           The following lists events that take place in the nephron. Give the letter of the part where each event takes place?   3.2.1 Ultrafiltration Glucose reabsorption (2)