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Which organisms carry out respiration, growth, movement and excretion?
518
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546
The diagram shows an animal whose scientific name is *Falco peregrinus*. To which species does it belong?
576
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565
What kind of skin do amphibians have?
563
563
544
The diagram shows a flowering plant. Use the key to identify the plant.
529
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598
In which part of the cell does aerobic respiration occur?
591
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549
Why do some root cells have root hairs?
584
522
512
The diagram shows a section through an alveolus and through a capillary.
How does carbon dioxide move from Y to X?
596
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527
Which part of a plant root hair is partially permeable?
553
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511
The table shows the results of food tests carried out on a fruit.
[Table_1: test results]
What did the fruit contain?
524
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546
An experiment was carried out to investigate the effect of pH on enzyme action. The graph shows the results. What are the labels for the x-axis and the y-axis?
528
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532
The diagram shows a section through a leaf.
What are structures P, Q, R and S?
538
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559
A lack of which dietary component can result in constipation?
599
511
541
A woman requires more calcium in her diet when she is pregnant. Which statement explains why?
560
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572
The diagram shows part of the alimentary canal.
Which row correctly identifies the structures labelled J to M?
521
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592
The diagram shows the pathway of water from the soil through a plant.
soil → X → Y → Z → mesophyll cells
Which cells are represented by X, Y and Z?
549
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579
What will not affect the rate of transpiration?
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503
A student places two samples of crushed apple into two beakers, P and Q. The samples are of equal size. She adds $5\,\text{cm}^3$ of pectinase solution to beaker P and $5\,\text{cm}^3$ of water to beaker Q. After five minutes, she places the samples of crushed apple into two different filter funnels, and measures the volume of juice filtering through from each sample over a period of 10 minutes. Which graph shows her results?
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During the process of blood clotting, damage to blood vessels stimulates L, and M is converted to N.
What are L, M and N?
[Table_1]
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563
A child is vaccinated against measles. After a period of time the child is infected with the measles virus.
The graph shows the concentration of measles antibodies in the child's bloodstream during this time.
Which statement is consistent with the information in the graph?
510
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598
Muscles are responsible for the ventilation of the lungs during breathing.
Which row describes their action during the inspiration of air?
[Table_1]
502
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595
A student investigated aerobic respiration.
Soda lime absorbs carbon dioxide.
If the woodlice are respiring aerobically, what will happen to the drop of liquid?
514
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528
The diagram shows a kidney and associated structures.
What is the name of structure X?
531
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553
What is the correct sequence in a reflex action?
564
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539
The diagram shows the cross-section of an eye.
Which statement is true when a person views a near object?
564
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549
Compared to the hormonal system, the responses of the nervous system are
543
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558
In an experiment to investigate phototropism, a plant shoot is grown with light coming from one side only. After two days, in which region has the greatest rate of growth occurred?
528
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536
Crop plants produced by asexual reproduction are identical. This can be a disadvantage. Which statements describe disadvantages?
1. Crop plants are produced rapidly.
2. A disease could kill all of the plants.
3. Only one parent is needed.
4. The plants cannot adapt to environmental changes.
536
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584
The table shows some features of artificial insemination and in-vitro fertilisation.
Which row shows the features that are correct for both artificial insemination and in-vitro fertilisation?
[Table_1]
537
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545
The graph shows the concentration of four hormones during the menstrual cycle. Which line represents progesterone?
521
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574
Cystic fibrosis is an inherited disease. The allele for cystic fibrosis is recessive.
A woman is heterozygous and her partner is homozygous dominant.
What is true of any children they produce?
598
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Which graph shows the correct change in mass of DNA in one cell during cell division by mitosis?
554
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591
Cell X contains 16 chromosomes. It divides by meiosis.
How many chromosomes do each of the new cells contain?
547
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575
Which statement about blood groups in humans is correct?
531
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570
Plants are adapted to survive in different environments.
Which are features of xerophytes?
[Table_1]
524
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547
In which form is nitrogen taken up by the roots of plants?
546
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553
Which feature of bacteria makes it possible for them to be used to produce human insulin?
595
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584
In some areas, farmers who grow genetically modified (GM) corn have to make sure there is a gap between GM and non-GM crops.
What is the reason for leaving a gap between the crops?
505
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589
How does eutrophication lead to the death of aquatic organisms?
557
529
516
What is an example of sustainable development?
582
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570
