1 Woodlice are small organisms that live in damp places. In an experiment, three live woodlice are put into a glass container. The diagram shows what happens after 30 minutes.
2 Which species can breed with Prunella vulgaris to produce fertile offspring?
3 What is the correct order of arthropod groups, from those with the most legs to those with the fewest legs?
A arachnids crustaceans insects myriapods
B arachnids insects myriapods crustaceans
C myriapods crustaceans arachnids insects
D myriapods insects arachnids crustaceans
4 The diagram shows four animal cells, as seen under a light microscope.
5 The diagram shows a root hair cell.
How is this cell modified for the absorption of water?
6 The diagram shows a drawing of part of a tulip flower. The actual width of the stigma, shown by the line PQ, is 5 mm. The length of line PQ is 15 mm.
What is the magnification of the diagram?
7 A jar of air was placed upside down on top of a jar containing a brown gas as shown.
Which process has taken place?
8 Which row describes active transport?
9 Four foods were tested for each of these nutrients:
fat (using the ethanol emulsion test)
protein (using the biuret test)
reducing sugar (using Benedict’s solution).
Which food contains protein and fat?
10. A human enzyme was used in an experiment. All factors were kept constant, apart from temperature.
What happened to the rate of reaction when the temperature was reduced steadily from
35 C to 5 C?
11 Which graph represents the effect of pH on the activity of a digestive enzyme?
12 In which process is oxygen a waste product?
13 The table shows diagrams of three types of cell found in a leaf.
Which row correctly identifies each cell type?
14 Where does egestion take place?
15 The diagram shows a tooth with signs of decay.
What has made the hole in the enamel of the tooth?
16 The diagram shows enzymes and the products of the reactions they catalyse.
17 Which statement about a function of xylem tissue is correct? 17
18 What is part of the definition of transpiration?
19 Which structures ensure the one-way flow of blood in the human circulatory system?
20 The diagram shows a section through the heart.
Which part pumps blood to the aorta? 
21 Which defence prevents pathogens from entering the body?
22 Air entering human lungs contains approximately 21% oxygen and 0.04% carbon dioxide.
Which row shows the concentrations of these gases in air leaving the lungs?
23 What are the products of anaerobic respiration in yeast?
24 The diagram shows the human excretory system and associated blood vessels.
25 Sensory neurones conduct impulses from
26 The diagram shows a section through human skin.
Which row matches the labelled part to its function?
27 The diagram shows a seedling growing in a pot in the light.
The pot was then placed on its side in a dark room. What will be the appearance of the seedling after 48 hours? 
28 Heroin is an illegal drug which has many effects on the body.
Which statement about the effects of heroin abuse is correct?
29 Which process is occurring at X?
30 Which diagram of the male reproductive system is correctly labelled?
31 Which method of birth control works by preventing an egg from being released?
32 What is defined as ‘a thread-like structure of DNA, carrying genetic information in the form of genes’?
33 The diagram shows the production of a male embryo.
34 Foxes are mammals. The table shows adaptations of four different species of fox.Which fox is best adapted to live in a hot dry desert region?
35 What is the principal source of energy input into food chains?
36 What would be the effect of cutting down forests, on the carbon dioxide concentration in the atmosphere?
37 What is an example of a population?
38 During the extraction of apple juice, ripe apples are crushed and the enzyme pectinase is added.
39 Rice has been modified by adding genes from bacteria and another plant so that it can produce the nutrient beta carotene.
What is this process called?
40 During the treatment of sewage, what is removed by screening?
