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1

The diagram shows the structure of a cell from a leaf of a green plant. What are the numbered parts of the cell?

1. Cells  →  1.1. Cell structure and function

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2

The diagram shows three plant cells labelled P, Q and R. The arrows show the direction of water movement by osmosis. P Q R What is the correct order of water potential in the cells, from the highest to the lowest?

3. Movement into and out of cells  →  3.1. Diffusion and osmosis

7. Transport in flowering plants  →  7.1. Uptake and transport of water and ions

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3

An experiment measured the rate at which plants take up magnesium ions from solution. One plant was given a poison that stops respiration. Another plant was left as normal. The graph shows the results. rate of uptake of magnesium ions concentration of magnesium ions in the solution N P plant left as normal plant given poison How are the magnesium ions being absorbed by the plants at points N and P?

3. Movement into and out of cells  →  3.1. Diffusion and osmosis

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4

Starch digestion occurs in the mouth cavity and in the duodenum but it stops in the stomach. Why is this?

8. Human nutrition  →  8.2. Human digestive system

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5

Which row correctly shows the number of molecules, for each substance used and produced, during photosynthesis?

6. Plant nutrition  →  6.1. Photosynthesis

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6

How do carbon dioxide and water enter a leaf?

3. Movement into and out of cells  →  3.1. Diffusion and osmosis

7. Transport in flowering plants  →  7.2. Transpiration and translocation

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7

The graph shows how the rate of photosynthesis varies with light intensity at two different temperatures. Other variables are kept the same. rate of photosynthesis 25 °C 15 °C light intensity Q S P R In which sections of the graph is light intensity limiting the rate of photosynthesis?

6. Plant nutrition  →  6.1. Photosynthesis

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8

The diagram shows the human alimentary canal. In which part does protein digestion begin?

8. Human nutrition  →  8.2. Human digestive system

13. Excretion  →  13.2. Urinary system

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9

Blood flows away from the small intestine in the hepatic portal vein. Where does the blood go next, and what may happen there?

8. Human nutrition  →  8.3. Absorption and assimilation

11. Transport in humans  →  11.3. Blood vessels

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10

The symptoms of a disease include weakness, fatigue, aching and swollen joints, and swollen and soft gums. Which food is used to treat this disease?

8. Human nutrition  →  8.1. Diet

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11

Which diagram shows the position of phloem tissue in a herbaceous, dicotyledonous root?

7. Transport in flowering plants  →  7.2. Transpiration and translocation

6. Plant nutrition  →  6.2. Leaf structure

7. Transport in flowering plants  →  7.1. Uptake and transport of water and ions

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12

The diagram represents part of a leaf. Which arrows show translocation and transpiration?

7. Transport in flowering plants  →  7.2. Transpiration and translocation

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13

In the process of blood clotting, the ……1…… help to convert ……2…… to ……3…… which forms a clot. Which words complete the description of blood clotting?

11. Transport in humans  →  11.4. Blood

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14

The diagram shows a section of capillary. Which arrow represents tissue fluid formation?

11. Transport in humans  →  11.3. Blood vessels

11. Transport in humans  →  11.4. Blood

7. Transport in flowering plants  →  7.2. Transpiration and translocation

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15

Which row shows possible causes of coronary heart disease?

11. Transport in humans  →  11.2. Heart

8. Human nutrition  →  8.1. Diet

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16

What are the products of anaerobic respiration in yeast?

10. Respiration  →  10.3. Anaerobic respiration

10. Respiration  →  10.1. Respiration

18. Biotechnology and genetic modification  →  18.1. Biotechnology

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17

The diagram shows apparatus used to investigate respiration. coloured oil drop graduated scale germinating peas wire mesh sodium hydroxide (to absorb carbon dioxide) water thermometer Which change will be seen and what is the explanation?

6. Plant nutrition  →  6.1. Photosynthesis

13. Excretion  →  13.1. Excretion

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18

The diagram shows the rib cage and some of the muscles involved in breathing as seen from the side. vertebral column diaphragm intercostal muscles sternum ribs What happens when the intercostal muscles shown...

9. Human gas exchange  →  9.1. Human gas exchange

11. Transport in humans  →  11.2. Heart

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19

During dialysis, substances such as glucose, mineral salts, urea and water move between the patient’s blood and the dialysis fluid. Which processes are involved in these movements?

3. Movement into and out of cells  →  3.1. Diffusion and osmosis

13. Excretion  →  13.2. Urinary system

11. Transport in humans  →  11.4. Blood

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20

Which organs in humans are involved in maintaining body temperature?

14. Coordination and control  →  14.5. Temperature control

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21

The diagram shows a section through the brain. Which part is the hypothalamus?

14. Coordination and control  →  14.1. Mammalian nervous system

14. Coordination and control  →  14.5. Temperature control

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22

The diagram shows a section through the eye. P R up down When the person looks down and focuses on their mobile phone, what is the state of the structures P and R?

14. Coordination and control  →  14.2. Mammalian sense organs

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23

What is a sign of diabetes mellitus?

14. Coordination and control  →  14.6. Blood glucose control

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24

The diagram shows the bones of the human arm. X Which is the bone labelled X?

14. Coordination and control  →  14.5. Temperature control

11. Transport in humans  →  11.2. Heart

14. Coordination and control  →  14.2. Mammalian sense organs

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25

For which diseases can antibiotics be used as effective treatments?

12. Disease and immunity  →  12.2. Antibiotics

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26

The table shows the characteristics of four microorganisms. Which one could be a virus?

2. Classification  →  2.2. Features of organisms

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27

Which statement comparing the production of single cell protein and the production of protein in meat is not correct?

17. Inheritance  →  17.2. DNA

18. Biotechnology and genetic modification  →  18.1. Biotechnology

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28

Which statement describes relationships in ecosystems?

19. Relationships of organisms with one another and with the environment  →  19.1. Energy flow

6. Plant nutrition  →  6.1. Photosynthesis

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29

Mealybugs are small insects that can feed on crops such as mango and coffee. They damage the crops and reduce the yield and profits for farmers. Lacewing insects and ladybird beetles both eat mealybugs. Which row shows the positions of some of the organisms in this food chain?

19. Relationships of organisms with one another and with the environment  →  19.1. Energy flow

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30

The diagram shows the carbon cycle. dead and decaying animals and plants carbon dioxide in the atmosphere fossil fuels animals plants X X What is process X?

19. Relationships of organisms with one another and with the environment  →  19.2. Nutrient cycles

6. Plant nutrition  →  6.1. Photosynthesis

13. Excretion  →  13.1. Excretion

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31

Three statements about malarial parasites are listed. Insecticides are used to kill the vectors. Netting is used to keep the vectors away from people. People take drugs that stop the malarial pathogen developing. Which methods can be used to control malaria?

12. Disease and immunity  →  12.1. Disease

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32

What would be an undesirable feature in an insecticide?

12. Disease and immunity  →  12.1. Disease

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33

The diagram shows a section of a flower. Where are the male gametes made?

16. Development of organisms and continuity of life  →  16.3. Sexual reproduction in plants

16. Development of organisms and continuity of life  →  16.4. Sexual reproduction in humans

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34

What is not an essential condition for the germination of seeds?

16. Development of organisms and continuity of life  →  16.3. Sexual reproduction in plants

6. Plant nutrition  →  6.1. Photosynthesis

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35

What is an advantage to a baby of breast-feeding compared with bottle feeding?

12. Disease and immunity  →  12.3. Immunity

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36

The diagram shows a calendar for 33 days in February and March. March February menstruation starts A girl, who has a regular menstrual cycle of 28 days, begins menstruation on 5 February. During which dates would the progesterone concentration in her blood rise most rapidly?

16. Development of organisms and continuity of life  →  16.4. Sexual reproduction in humans

14. Coordination and control  →  14.3. Mammalian hormones

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37

In a species of mouse, fur colour can be black or white. Two black female mice were allowed to mate with the same black male. One female had nine young, all of which were black. The other female had seven young, five black and two white. One of these white mice was male, and is allowed to mate with a heterozygous female. What is the expected ratio of phenotypes of their offspring?

17. Inheritance  →  17.3. Inheritance

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38

The diagram shows the blood group phenotypes of some members of a family. Which member of the F1 generation must be heterozygous with the codominant alleles?

17. Inheritance  →  17.3. Inheritance

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39

The diagram shows the distribution of a human characteristic, X, in the population. number of individuals X What is the characteristic X?

17. Inheritance  →  17.3. Inheritance

17. Inheritance  →  17.4. Selection

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40

Which statements about the use of bacteria to produce human insulin are correct?

18. Biotechnology and genetic modification  →  18.2. Genetic modification

18. Biotechnology and genetic modification  →  18.1. Biotechnology

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