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1

Which organisms carry out respiration, growth, movement and excretion?

1. Characteristics and classification of living organisms  →  1.3. Features of organisms

1. Characteristics and classification of living organisms  →  1.1. Characteristics of living organisms

3. Movement into and out of cells  →  3.2. Osmosis

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2

Which group includes animals with four legs and a dry scaly skin?

1. Characteristics and classification of living organisms  →  1.3. Features of organisms

19. Organisms and their environment  →  19.2. Food chains and food webs

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3

Which structure contains genes?

2. Organisation of the organism  →  2.1. Cell structure

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4

The diagram shows a leaf. Use the key below. From which plant, A, B, C or D was the leaf taken?

6. Plant nutrition  →  6.2. Leaf structure

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5

The diagram shows a plant cell. In which part of the cell do carbon dioxide and water combine to form glucose?

6. Plant nutrition  →  6.1. Photosynthesis

2. Organisation of the organism  →  2.1. Cell structure

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6

The diagrams show the outer layers of cells. Which is correct for an animal cell?

2. Organisation of the organism  →  2.1. Cell structure

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7

The diagrams show four different cells (not drawn to scale). blood cell sperm cell root hair cell muscle cell Which cells provide a large surface area for absorption?

2. Organisation of the organism  →  2.1. Cell structure

8. Transport in plants  →  8.2. Water uptake

7. Human nutrition  →  7.5. Absorption

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8

The diagram shows a section through a leaf. P R Q S Which structure is an organ and which structure is a tissue?

2. Organisation of the organism  →  2.1. Cell structure

6. Plant nutrition  →  6.2. Leaf structure

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9

Osmosis is defined as the diffusion of water molecules A down their concentration gradient through a partially permeable membrane. B down their concentration gradient through a permeable membrane. C up their concentration gradient through a partially permeable membrane. D up their concentration gradient through a permeable membrane.

3. Movement into and out of cells  →  3.2. Osmosis

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10

Which structure is adapted for the diffusion of gases?

11. Gas exchange in humans  →  11.1. Gas exchange in humans

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

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11

Starch is digested by amylase in the mouth, but it is not digested in the stomach. What is the reason for this?

7. Human nutrition  →  7.4. Chemical digestion

7. Human nutrition  →  7.3. Physical digestion

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12

Which graph shows the effect of temperature on the activity of a human digestive enzyme?

5. Enzymes  →  5.1. Enzymes

12. Respiration  →  12.1. Respiration

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13

The apparatus shown...

11. Gas exchange in humans  →  11.1. Gas exchange in humans

6. Plant nutrition  →  6.1. Photosynthesis

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14

Which substance is transported by xylem vessels?

8. Transport in plants  →  8.1. Xylem and phloem

8. Transport in plants  →  8.3. Transpiration

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15

How is the rate of transpiration affected by decreasing temperature and by decreasing light intensity?

8. Transport in plants  →  8.3. Transpiration

6. Plant nutrition  →  6.1. Photosynthesis

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16

Poor nutrition can lead to a condition called rickets in which bones fail to develop properly. The table shows some minerals and vitamins present in four foods. Which food would be best for a child who has rickets?

7. Human nutrition  →  7.1. Diet

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17

The diagram shows a potted plant and the same plant 24 hours later. 24 hours What causes the change in the appearance of the plant?

8. Transport in plants  →  8.3. Transpiration

8. Transport in plants  →  8.2. Water uptake

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18

Which shows the functions of the parts of the blood?

9. Transport in animals  →  9.4. Blood

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19

Which word equation represents anaerobic respiration in human muscle?

12. Respiration  →  12.3. Anaerobic respiration

12. Respiration  →  12.2. Aerobic respiration

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20

In an experiment three glass bell jars were set up as shown...

11. Gas exchange in humans  →  11.1. Gas exchange in humans

3. Movement into and out of cells  →  3.2. Osmosis

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21

The graph shows the rate and depth of breathing in a person before exercise. 2.5 2.0 1.5 1.0 time / s volume of air in lungs during breathing / dm3 Which graph shows the rate and depth of breathing of the same person immediately after a period of exercise?

11. Gas exchange in humans  →  11.1. Gas exchange in humans

12. Respiration  →  12.3. Anaerobic respiration

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22

In which organ is urea made and by which organ is it removed from the blood?

13. Excretion in humans  →  13.1. Excretion in humans

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23

The diagram shows structures within human skin under two different external conditions. condition 1 condition 2 sweat glands blood vessel What are external conditions 1 and 2?

14. Coordination and response  →  14.4. Homeostasis

11. Gas exchange in humans  →  11.1. Gas exchange in humans

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24

Which of these contains relay neurones?

14. Coordination and response  →  14.1. Coordination and response

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25

The diagram shows a section through an eye. Which structure contains cells that are sensitive to light?

14. Coordination and response  →  14.2. Sense organs

2. Organisation of the organism  →  2.1. Cell structure

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26

Which part of a seed grows into the root system of a plant?

8. Transport in plants  →  8.1. Xylem and phloem

16. Reproduction  →  16.3. Sexual reproduction in plants

8. Transport in plants  →  8.2. Water uptake

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27

What must always be present for seeds to germinate?

16. Reproduction  →  16.3. Sexual reproduction in plants

6. Plant nutrition  →  6.1. Photosynthesis

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28

The diagram represents the menstrual cycle. 26 27 28 Z X Y days Which events may occur at X, Y and Z?

16. Reproduction  →  16.5. Sex hormones in humans

16. Reproduction  →  16.4. Sexual reproduction in humans

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29

Night-blindness is an inherited condition, caused by a dominant allele. The chart shows how this condition was passed on in one family. X key normal female normal male male with night-blindness Person X marries someone with normal sight. What is the chance that their first child will have night-blindness?

17. Inheritance  →  17.4. Monohybrid inheritance

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30

Which graph shows the change in the number of cells from the start of germination in a seed until the seedling starts to photosynthesise?

2. Organisation of the organism  →  2.1. Cell structure

3. Movement into and out of cells  →  3.2. Osmosis

8. Transport in plants  →  8.3. Transpiration

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31

Why does meiosis occur during the formation of gametes?

17. Inheritance  →  17.3. Meiosis

16. Reproduction  →  16.2. Sexual reproduction

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32

The diagram shows the genotypes of two parent plants and three of their offspring for a characteristic that is controlled by a dominant allele. plant 1 plant 2 plant 5 plant 4 plant 3 Rr Rr RR rr Rr parents offspring Which of the plants have the same phenotype?

17. Inheritance  →  17.4. Monohybrid inheritance

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33

In the ecosystem of a tropical rainforest, the producers obtain energy from the A consumers. B decomposers. C rotting leaves. D sunlight.

19. Organisms and their environment  →  19.2. Food chains and food webs

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34

A generalised food chain may be shown...

19. Organisms and their environment  →  19.2. Food chains and food webs

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35

The activity of decomposers returns substances to the atmosphere. Which products of decomposition enter the atmosphere?

19. Organisms and their environment  →  19.3. Nutrient cycles

11. Gas exchange in humans  →  11.1. Gas exchange in humans

20. Human influences on ecosystems  →  20.3. Pollution

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36

The diagram represents part of the carbon cycle. carbon dioxide in air carbon compounds in animals carbon compounds in green plants Y X What processes are represented by X and Y?

19. Organisms and their environment  →  19.3. Nutrient cycles

6. Plant nutrition  →  6.1. Photosynthesis

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37

Which process is part of both the carbon cycle and the water cycle?

19. Organisms and their environment  →  19.3. Nutrient cycles

8. Transport in plants  →  8.3. Transpiration

6. Plant nutrition  →  6.1. Photosynthesis

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38

Which factor has had the least effect on the rate of growth of the population of the world during the last 200 years?

19. Organisms and their environment  →  19.4. Populations

20. Human influences on ecosystems  →  20.1. Food supply

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39

The concentration of a pesticide in the tissues of the organisms in the following food chain was measured. plants → small fish → large fish → bird of prey Which organism on the bar chart is the large fish?

19. Organisms and their environment  →  19.2. Food chains and food webs

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40

The graph shows how oxygen concentration and numbers of bacteria change when sewage is added to a river. sewage added distance downstream / m dissolved oxygen bacteria amount / arbitrary units P What describes the oxygen concentration and the numbers of bacteria between the point at which sewage is added and point P?

20. Human influences on ecosystems  →  20.3. Pollution

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

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