1 Fig. 1.1 is a diagram of the alimentary canal and associated organs.
(a) State the letter from Fig. 1.1 that identifies the part where:
alcohol is broken down ..................................
egestion occurs .................................
hydrochloric acid is produced .................................
mechanical digestion occurs .................................
salivary amylase is produced .................................
the most absorption occurs. .................................
(b) State the names of the parts labelled B and H in Fig. 1.1
B ..............................................................................................................................................
H ...............................................................................................................................................
1 ........................................
2 .............................................................................................................................................
3 ................................................................................................................................................
2 (a) Different age groups of people, in one area, were asked about their tobacco smoking habits.
Describe how the data for the 60+ age group are different from the 16–24-year-old age
group.
(b) Lung cancer and other cancers are caused by smoking tobacco.
State the names of two other diseases caused by smoking tobacco.
4 (a) Fig. 4.1 is a diagram of a plant cell
Identify the parts of the plant cell in Fig. 4.1 by labelling them in the spaces provided, using words from the list 
State two functions of xylem tissue.
1 ................................................................................................................................................
2 ...............................................................................................................................................
State the names of three other characteristics of living things
