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Animal tissues, organs and organ systems: AQA GCSE Combined Science questions

Every AQA GCSE Combined Science exam question on 4.2.2 Animal tissues, organs and organ systems, 2018–2025, with its mark scheme and examiner’s report.

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3,069 questions

  1. Q01.1

    June 2025 · Biology Paper 1 Higher

    2 marks4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 01.1: Draw one line from each blood vessel shown in Figure 1 to the name of the blood vessel. [2 marks]

  2. Q01.2

    June 2025 · Biology Paper 1 Higher

    1 mark4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 01.2: Heart rate is controlled by a group of cells. The group of cells acts as a pacemaker. Where would the pacemaker be located in Figure 1? [1 mark] Tick () one bo

  3. Q01.3

    June 2025 · Biology Paper 1 Higher

    3 marks4.2.2 Animal tissues, organs and organ systems4.4.2 Respiration
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 01.3: Heart muscle cells contain many mitochondria. Explain why heart muscle cells contain many mitochondria. [3 marks]

  4. Q01.4

    June 2025 · Biology Paper 1 Higher

    2 marks4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 01.4: The hole allows some blood from the right side of the heart to mix with blood in the left side of the heart. Suggest two symptoms of having a hole in the heart.

  5. Q01.5

    June 2025 · Biology Paper 1 Higher

    2 marks4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 01.5: In an operation to repair a hole in the heart: • a flexible tube is inserted into a blood vessel and guided to the heart • a mesh patch is passed down the tube

  6. Q02.5

    June 2025 · Biology Paper 1 Higher

    6 marks4.2.2 Animal tissues, organs and organ systems4.3.1 Communicable diseases
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 02.5: Explain how a vaccine for chickenpox gives immunity against the disease. You should refer to how the body responds to: • the vaccine • chickenpox pathogens that

  7. Q03.3

    June 2025 · Biology Paper 1 Higher

    3 marks4.2.2 Animal tissues, organs and organ systems4.4.1 Photosynthesis
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 03.3: Explain how repeating the investigation at 20 °C would affect the results. [3 marks]

  8. Q03.4

    June 2025 · Biology Paper 1 Higher

    2 marks4.2.2 Animal tissues, organs and organ systems4.4.1 Photosynthesis
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 03.4: Explain how repeating the investigation at 80 °C would affect the results. [2 marks]

  9. Q06.4

    June 2025 · Biology Paper 1 Higher

    2 marks4.2.2 Animal tissues, organs and organ systems4.4.2 Respiration
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 06.4: Explain why a person with anaemia is likely to experience muscle fatigue. [2 marks]

  10. Q06.5

    June 2025 · Biology Paper 1 Higher

    4 marks4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 06.5: Calculate the number of red blood cells made from the donor’s sample that could be used in a patient. Give your answer in standard form. [4 marks] Number of red

  11. Q06.6

    June 2025 · Biology Paper 1 Higher

    6 marks4.1.2 Cell division4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Higher, question 06.6: Patients with anaemia are sometimes given a blood transfusion. A blood transfusion is when a patient is given blood. The patient can be given red blood cells: •

  12. Q01.8

    June 2025 · Biology Paper 1 Foundation

    2 marks4.1.2 Cell division4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 01.8: Stem cells can be used to produce blood cells. A blood transfusion is when a patient is given blood cells. Table 1 compares two different methods of providing b

  13. Q03.6

    June 2025 · Biology Paper 1 Foundation

    2 marks4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 03.6: Draw one line from each carbohydrate to the chemical used to test for the carbohydrate. [2 marks]

  14. Q03.7

    June 2025 · Biology Paper 1 Foundation

    1 mark4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 03.7: A potato was tested for protein, sugar and starch. Table 4 shows the results. Table 4 Test for protein Test for sugar Test for starch Result Blue Red Blue-black

  15. Q05.1

    June 2025 · Biology Paper 1 Foundation

    2 marks4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 05.1: Draw one line from each blood vessel shown in Figure 10 to the name of the blood vessel. [2 marks]

  16. Q05.2

    June 2025 · Biology Paper 1 Foundation

    1 mark4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 05.2: Heart rate is controlled by a group of cells. The group of cells acts as a pacemaker. Where would the pacemaker be located in Figure 10? [1 mark] Tick () one b

  17. Q05.3

    June 2025 · Biology Paper 1 Foundation

    3 marks4.2.2 Animal tissues, organs and organ systems4.4.2 Respiration
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 05.3: Heart muscle cells contain many mitochondria. Explain why heart muscle cells contain many mitochondria. [3 marks]

  18. Q05.4

    June 2025 · Biology Paper 1 Foundation

    2 marks4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 05.4: The hole allows some blood from the right side of the heart to mix with blood in the left side of the heart. Suggest two symptoms of having a hole in the heart.

  19. Q05.5

    June 2025 · Biology Paper 1 Foundation

    2 marks4.2.2 Animal tissues, organs and organ systems
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 05.5: In an operation to repair a hole in the heart: • a flexible tube is inserted into a blood vessel and guided to the heart • a mesh patch is passed down the tube

  20. Q06.5

    June 2025 · Biology Paper 1 Foundation

    6 marks4.2.2 Animal tissues, organs and organ systems4.3.1 Communicable diseases
    The whole paper ↗
    June 2025 Biology Paper 1 Foundation, question 06.5: Explain how a vaccine for chickenpox gives immunity against the disease. You should refer to how the body responds to: • the vaccine • chickenpox pathogens that
All 166 questions on Animal tissues, organs and organ systems, as a list
  1. June 2025, Biology Paper 1 Higher, Q01.1 (2 marks): Draw one line from each blood vessel shown in Figure 1 to the name of the blood vessel. [2 marks]
  2. June 2025, Biology Paper 1 Higher, Q01.2 (1 mark): Heart rate is controlled by a group of cells. The group of cells acts as a pacemaker. Where would the pacemaker be located in Figure 1? [1 mark] Tick () one bo
  3. June 2025, Biology Paper 1 Higher, Q01.3 (3 marks): Heart muscle cells contain many mitochondria. Explain why heart muscle cells contain many mitochondria. [3 marks]
  4. June 2025, Biology Paper 1 Higher, Q01.4 (2 marks): The hole allows some blood from the right side of the heart to mix with blood in the left side of the heart. Suggest two symptoms of having a hole in the heart.
  5. June 2025, Biology Paper 1 Higher, Q01.5 (2 marks): In an operation to repair a hole in the heart: • a flexible tube is inserted into a blood vessel and guided to the heart • a mesh patch is passed down the tube
  6. June 2025, Biology Paper 1 Higher, Q02.5 (6 marks): Explain how a vaccine for chickenpox gives immunity against the disease. You should refer to how the body responds to: • the vaccine • chickenpox pathogens that
  7. June 2025, Biology Paper 1 Higher, Q03.3 (3 marks): Explain how repeating the investigation at 20 °C would affect the results. [3 marks]
  8. June 2025, Biology Paper 1 Higher, Q03.4 (2 marks): Explain how repeating the investigation at 80 °C would affect the results. [2 marks]
  9. June 2025, Biology Paper 1 Higher, Q06.4 (2 marks): Explain why a person with anaemia is likely to experience muscle fatigue. [2 marks]
  10. June 2025, Biology Paper 1 Higher, Q06.5 (4 marks): Calculate the number of red blood cells made from the donor’s sample that could be used in a patient. Give your answer in standard form. [4 marks] Number of red
  11. June 2025, Biology Paper 1 Higher, Q06.6 (6 marks): Patients with anaemia are sometimes given a blood transfusion. A blood transfusion is when a patient is given blood. The patient can be given red blood cells: •
  12. June 2025, Biology Paper 1 Foundation, Q01.8 (2 marks): Stem cells can be used to produce blood cells. A blood transfusion is when a patient is given blood cells. Table 1 compares two different methods of providing b
  13. June 2025, Biology Paper 1 Foundation, Q03.6 (2 marks): Draw one line from each carbohydrate to the chemical used to test for the carbohydrate. [2 marks]
  14. June 2025, Biology Paper 1 Foundation, Q03.7 (1 mark): A potato was tested for protein, sugar and starch. Table 4 shows the results. Table 4 Test for protein Test for sugar Test for starch Result Blue Red Blue-black
  15. June 2025, Biology Paper 1 Foundation, Q05.1 (2 marks): Draw one line from each blood vessel shown in Figure 10 to the name of the blood vessel. [2 marks]
  16. June 2025, Biology Paper 1 Foundation, Q05.2 (1 mark): Heart rate is controlled by a group of cells. The group of cells acts as a pacemaker. Where would the pacemaker be located in Figure 10? [1 mark] Tick () one b
  17. June 2025, Biology Paper 1 Foundation, Q05.3 (3 marks): Heart muscle cells contain many mitochondria. Explain why heart muscle cells contain many mitochondria. [3 marks]
  18. June 2025, Biology Paper 1 Foundation, Q05.4 (2 marks): The hole allows some blood from the right side of the heart to mix with blood in the left side of the heart. Suggest two symptoms of having a hole in the heart.
  19. June 2025, Biology Paper 1 Foundation, Q05.5 (2 marks): In an operation to repair a hole in the heart: • a flexible tube is inserted into a blood vessel and guided to the heart • a mesh patch is passed down the tube
  20. June 2025, Biology Paper 1 Foundation, Q06.5 (6 marks): Explain how a vaccine for chickenpox gives immunity against the disease. You should refer to how the body responds to: • the vaccine • chickenpox pathogens that
  21. June 2024, Biology Paper 1 Higher, Q01.1 (2 marks): Glucose and fructose are different sugars. Fructose has a much sweeter taste than glucose. Suggest two reasons why the drinks company uses fructose in the drink
  22. June 2024, Biology Paper 1 Higher, Q01.2 (3 marks): Describe how a student could test the drink for sugar. Give the colour of a positive result. [3 marks] Test Colour of positive result
  23. June 2024, Biology Paper 1 Higher, Q01.3 (2 marks): Describe how a student could test the drink for protein. Give the colour of a positive result. [2 marks] Test Colour of positive result
  24. June 2024, Biology Paper 1 Higher, Q01.4 (6 marks): The human digestive system breaks down protein and fat in the drink. Describe how protein and fat are digested. You should include: • the enzymes involved • whe
  25. June 2024, Biology Paper 1 Higher, Q04.3 (2 marks): Explain why no gas was produced by the plant at 45 °C. [2 marks]
  26. June 2024, Biology Paper 1 Higher, Q06.2 (3 marks): Lung cancer is malignant. Explain what is meant by a malignant tumour. [3 marks]
  27. June 2024, Biology Paper 1 Higher, Q06.3 (4 marks): Smoking can damage the lungs in different ways. Figure 6 shows alveoli from the lungs of two people. Figure 6 Person A and person B do the same exercise. Explai
  28. June 2024, Biology Paper 1 Higher, Q07 (6 marks): Angina is a condition many people get as coronary heart disease (CHD) develops. Angina can cause chest pain and tiredness. People with angina are sometimes trea
  29. June 2024, Biology Paper 1 Foundation, Q03.1 (1 mark): Which letter shows a white blood cell? [1 mark] Tick () one box. A B C D
  30. June 2024, Biology Paper 1 Foundation, Q03.2 (1 mark): Which part of the blood causes the blood to clot? [1 mark] Tick () one box. Plasma Platelets Red blood cells
  31. June 2024, Biology Paper 1 Foundation, Q03.3 (2 marks): Name two substances transported in the blood. [2 marks] 1 2
  32. June 2024, Biology Paper 1 Foundation, Q03.4 (1 mark): Suggest one reason why blood is removed from a vein and not from an artery. [1 mark]
  33. June 2024, Biology Paper 1 Foundation, Q03.5 (2 marks): Suggest one advantage and one disadvantage to a patient who receives blood. [2 marks] Advantage Disadvantage
  34. June 2024, Biology Paper 1 Foundation, Q03.6 (2 marks): Suggest one advantage and one disadvantage to the volunteer who donates blood. [2 marks] Advantage Disadvantage
  35. June 2024, Biology Paper 1 Foundation, Q04.2 (1 mark): The number of cases of gonorrhoea in each city might not be accurate. Suggest one reason why. [1 mark]
  36. June 2024, Biology Paper 1 Foundation, Q04.5 (2 marks): Which two factors increase the risk of plaques forming in the coronary artery? [2 marks] Tick () two boxes. High fat diet Low blood glucose Regular exercise Sm
  37. June 2024, Biology Paper 1 Foundation, Q04.6 (1 mark): Which treatment can be used for the plaques in Figure 6? [1 mark] Tick () one box. A placebo A stent An antibiotic
  38. June 2024, Biology Paper 1 Foundation, Q04.7 (3 marks): A heart attack can happen when plaques block a coronary artery. During a heart attack muscle cells in the heart die. Explain how the blockage can lead to the de
  39. June 2024, Biology Paper 1 Foundation, Q06.1 (2 marks): Glucose and fructose are different sugars. Fructose has a much sweeter taste than glucose. Suggest two reasons why the drinks company uses fructose in the drink
  40. June 2024, Biology Paper 1 Foundation, Q06.2 (3 marks): Describe how a student could test the drink for sugar. Give the colour of a positive result. [3 marks] Test Colour of positive result
  41. June 2024, Biology Paper 1 Foundation, Q06.3 (2 marks): Describe how a student could test the drink for protein. Give the colour of a positive result. [2 marks] Test Colour of positive result
  42. June 2024, Biology Paper 1 Foundation, Q06.4 (6 marks): The human digestive system breaks down protein and fat in the drink. Describe how protein and fat are digested. You should include: • the enzymes involved • whe
  43. June 2023, Biology Paper 1 Higher, Q01.1 (1 mark): Which disease is a non-communicable disease? [1 mark] Tick () one box. AIDS Cancer Gonorrhoea Malaria Obesity is a risk factor for many non-communicable diseas
  44. June 2023, Biology Paper 1 Higher, Q01.2 (1 mark): Give one non-communicable disease that obesity is a risk factor for. Do not refer to the diseases given in Question 01.1 in your answer. [1 mark]
  45. June 2023, Biology Paper 1 Higher, Q01.3 (1 mark): National policies are used to help people who are obese to lose weight. One national policy is to reduce the amount of sugar added to food and drinks. Suggest o
  46. June 2023, Biology Paper 1 Higher, Q01.4 (3 marks): Body mass index (BMI) is one measure of obesity. BMI is calculated using the equation: BMI = body mass in kg (height in m)2 Table 1 shows how BMI is used to des
  47. June 2023, Biology Paper 1 Higher, Q01.5 (1 mark): Suggest why BMI categories were determined before the women became pregnant. [1 mark] Figure 1 shows the results. Figure 1
  48. June 2023, Biology Paper 1 Higher, Q01.6 (2 marks): Give two conclusions that can be made from Figure 1. [2 marks] 1 2
  49. June 2023, Biology Paper 1 Higher, Q03.1 (2 marks): The heart pumps the blood in a double circulatory system. Describe what is meant by a ‘double circulatory system’. [2 marks]
  50. June 2023, Biology Paper 1 Higher, Q03.2 (1 mark): Heart rate is controlled by a group of cells that act as a pacemaker. Where in the heart is the pacemaker found? [1 mark]
  51. June 2023, Biology Paper 1 Higher, Q03.3 (1 mark): Which blood vessel carries deoxygenated blood? [1 mark] Tick () one box. Aorta Coronary artery Pulmonary artery Pulmonary vein
  52. June 2023, Biology Paper 1 Higher, Q03.4 (2 marks): Explain why veins have valves, but arteries do not. [2 marks]
  53. June 2023, Biology Paper 1 Higher, Q03.5 (2 marks): Describe two structural differences between a vein and an artery. Do not refer to valves in your answer. [2 marks] 1 2
  54. June 2023, Biology Paper 1 Higher, Q06.1 (2 marks): Explain why starch has to be digested. [2 marks]
  55. June 2023, Biology Paper 1 Higher, Q06.2 (1 mark): Suggest what liquid was used for the test with 0 g/dm3 starch concentration. [1 mark]
  56. June 2023, Biology Paper 1 Higher, Q06.3 (3 marks): Explain the change in the percentage of light passing through the different concentrations of starch suspension in iodine solution. Use Figure 7. [3 marks] Ques
  57. June 2023, Biology Paper 1 Higher, Q06.4 (1 mark): The starch suspension and the amylase solution were kept in the water bath for 10 minutes before being mixed together. Give the reason why. [1 mark] Figure 8 sh
  58. June 2023, Biology Paper 1 Higher, Q06.5 (4 marks): The concentration of starch at 3 minutes was 0.3 g/dm3. Calculate the mean rate of starch digestion for the first 3 minutes. Use Figure 7 on page 18 and Figure
  59. June 2023, Biology Paper 1 Higher, Q06.6 (3 marks): The investigation was carried out at pH 7 Explain how the results would be different if the investigation was carried out at pH 1 Use Figure 8. [3 marks]
  60. June 2023, Biology Paper 1 Foundation, Q01.6 (2 marks): Name two substances that move into most cells in the body from the blood. Do not refer to oxygen in your answer. [2 marks] 1 2
  61. June 2023, Biology Paper 1 Foundation, Q02.1 (1 mark): Which part of the digestive system produces amylase? [1 mark] Tick () one box. A B C
  62. June 2023, Biology Paper 1 Foundation, Q02.2 (1 mark): What molecules are produced when starch is digested? [1 mark] Tick () one box. Amino acids Fatty acids Sugars
  63. June 2023, Biology Paper 1 Foundation, Q02.3 (1 mark): Where is digested food absorbed into the blood? [1 mark] Tick () one box. Liver Pancreas Small intestine Question 2 continues on page 9
  64. June 2023, Biology Paper 1 Foundation, Q02.4 (1 mark): What is the independent variable in this investigation? [1 mark] Tick () one box. pH of the amylase solution Time when the samples were taken Volume of iodine
  65. June 2023, Biology Paper 1 Foundation, Q02.5 (2 marks): What colours do the symbols in the key represent? Choose answers from the box. [2 marks] black green lilac orange white
  66. June 2023, Biology Paper 1 Foundation, Q02.6 (1 mark): Look at the results for pH 6 in Figure 3. How many minutes did it take for all the starch to be digested at pH 6? [1 mark] minutes
  67. June 2023, Biology Paper 1 Foundation, Q02.7 (1 mark): What was the optimum pH for the amylase to work? Use Figure 3. [1 mark] Tick () one box. pH 5 pH 6 pH 7 pH 8
  68. June 2023, Biology Paper 1 Foundation, Q04.1 (1 mark): The vena cava carries blood into the heart from the body. Which blood vessel in Figure 6 is the vena cava? [1 mark] Tick () one box. A B C D
  69. June 2023, Biology Paper 1 Foundation, Q04.2 (1 mark): Which chamber of the heart pumps blood to the body? [1 mark] Tick () one box. Left atrium Left ventricle Right atrium Right ventricle
  70. June 2023, Biology Paper 1 Foundation, Q04.3 (1 mark): What is the name of the blood vessel that carries blood to the heart muscle? [1 mark] Tick () one box. Aorta Coronary artery Pulmonary artery
  71. June 2023, Biology Paper 1 Foundation, Q04.4 (1 mark): Which type of blood vessel has valves? [1 mark] Tick () one box. Artery Capillary Vein
  72. June 2023, Biology Paper 1 Foundation, Q04.5 (1 mark): What is the function of valves? [1 mark]
  73. June 2023, Biology Paper 1 Foundation, Q04.6 (2 marks): Explain one way the capillary is adapted for its function. [2 marks] Table 2 shows information about the blood of four people. Table 2 Person Concentration of b
  74. June 2023, Biology Paper 1 Foundation, Q04.7 (1 mark): Person W has 5 000 000 red blood cells in 1 mm3 of blood. What is 5 000 000 written in standard form? [1 mark] Tick () one box. 5 × 1 000 000 5 × 106 5 × 107 5
  75. June 2023, Biology Paper 1 Foundation, Q04.8 (2 marks): Draw one line from each description to the person in Table 2 it describes. [2 marks] Description Person in Table 2 Person most likely to have an infection Perso
  76. June 2023, Biology Paper 1 Foundation, Q04.9 (3 marks): The greater the height above sea level, the less oxygen there is in the air. People who live high above sea level have more red blood cells than people who live
  77. June 2023, Biology Paper 1 Foundation, Q05.1 (2 marks): Name parts A and B. Choose answers from the box. [2 marks] alveolus bronchus capillary trachea A B
  78. June 2023, Biology Paper 1 Foundation, Q05.2 (1 mark): Where does gas exchange happen in the breathing system? [1 mark] Tick () one box. A B C D
  79. June 2023, Biology Paper 1 Foundation, Q05.3 (2 marks): Give two ways that the lungs are adapted for efficient gas exchange. [2 marks] 1 2 Table 3 shows the percentage of gases in air breathed into the lungs and air
  80. June 2023, Biology Paper 1 Foundation, Q05.4 (4 marks): Explain the differences in the air breathed into the lungs and the air breathed out of the lungs. [4 marks]
  81. June 2023, Biology Paper 1 Foundation, Q05.5 (1 mark): The percentages given in each column of Table 3 do not add up to 100%. Suggest one reason why. [1 mark]
  82. June 2023, Biology Paper 1 Foundation, Q06.1 (1 mark): Which disease is a non-communicable disease? [1 mark] Tick () one box. AIDS Cancer Gonorrhoea Malaria Obesity is a risk factor for many non-communicable diseas
  83. June 2023, Biology Paper 1 Foundation, Q06.2 (1 mark): Give one non-communicable disease that obesity is a risk factor for. Do not refer to the diseases given in Question 06.1 in your answer. [1 mark]
  84. June 2023, Biology Paper 1 Foundation, Q06.3 (1 mark): National policies are used to help people who are obese to lose weight. One national policy is to reduce the amount of sugar added to food and drinks. Suggest o
  85. June 2023, Biology Paper 1 Foundation, Q06.4 (3 marks): Body mass index (BMI) is one measure of obesity. BMI is calculated using the equation: BMI = body mass in kg (height in m)2 Table 4 shows how BMI is used to des
  86. June 2023, Biology Paper 1 Foundation, Q06.5 (1 mark): Suggest why BMI categories were determined before the women became pregnant. [1 mark] Figure 9 shows the results. Figure 9
  87. June 2023, Biology Paper 1 Foundation, Q06.6 (2 marks): Give two conclusions that can be made from Figure 9. [2 marks] 1 2
  88. June 2022, Biology Paper 1 Higher, Q01.7 (1 mark): A vaccine will stimulate the production of antibodies. Which part of the blood in Figure 2 produces antibodies? [1 mark] Tick () one box. A B C D
  89. June 2022, Biology Paper 1 Higher, Q01.8 (1 mark): Which part of the blood in Figure 2 starts the clotting process? [1 mark] Tick () one box. A B C D
  90. June 2022, Biology Paper 1 Higher, Q03.1 (1 mark): Which organs in the human digestive system produce amylase? [1 mark] Tick () one box. Liver, small intestine and large intestine Salivary glands, stomach and l
  91. June 2022, Biology Paper 1 Higher, Q03.2 (1 mark): What was the independent variable in this investigation? [1 mark]
  92. June 2022, Biology Paper 1 Higher, Q03.3 (1 mark): Describe how the student would know when all the starch had been digested. [1 mark]
  93. June 2022, Biology Paper 1 Higher, Q03.4 (1 mark): Figure 6 shows the student’s results. Figure 6 What was the optimum pH for the amylase? Use Figure 6. [1 mark] Optimum pH =
  94. June 2022, Biology Paper 1 Higher, Q03.5 (1 mark): How much time did it take for the amylase to digest all the starch? Use Figure 7. [1 mark] Time to digest all the starch = seconds
  95. June 2022, Biology Paper 1 Higher, Q03.6 (4 marks): Determine the rate of sugar production per minute at 40 seconds. [4 marks] Rate = arbitrary units per minute
  96. June 2022, Biology Paper 1 Higher, Q03.7 (6 marks): Explain how the structure of enzyme molecules is related to the effect of pH on the activity of amylase. [6 marks]
  97. June 2022, Biology Paper 1 Higher, Q05.1 (4 marks): Describe the similarities and differences between benign tumours and malignant tumours. [4 marks]
  98. June 2022, Biology Paper 1 Higher, Q05.2 (2 marks): There are no new cases of skin cancer diagnosed in people younger than 15 years of age. Explain why. [2 marks]
  99. June 2022, Biology Paper 1 Higher, Q05.3 (2 marks): Give two conclusions about the number of new cases of skin cancer. Use Figure 10. [2 marks] 1 2
  100. June 2022, Biology Paper 1 Higher, Q05.4 (1 mark): The data for the number of people with skin cancer is given per 100 000 population. Suggest why the data is not given as the total number of people. [1 mark] Fi
  101. June 2022, Biology Paper 1 Higher, Q05.5 (2 marks): Describe two trends shown in Figure 10. Use only the data for the number of people with skin cancer per 100 000 population. [2 marks] 1 2
  102. June 2022, Biology Paper 1 Higher, Q05.6 (3 marks): The estimated population of males aged 80 to 84 years was 694 000 Calculate the number of males aged 80 to 84 years with skin cancer in that year. Use Figure 10
  103. June 2022, Biology Paper 1 Higher, Q06.2 (4 marks): Valves in the heart keep the blood flowing through the heart in one direction. Figure 11 shows the heart with one of the valves labelled. Figure 11 Explain the
  104. June 2022, Biology Paper 1 Higher, Q06.3 (4 marks): Faulty heart valves can be replaced using biological or mechanical valves. The faulty valve is replaced during an operation. Biological valves: • are from anima
  105. June 2022, Biology Paper 1 Foundation, Q01.1 (1 mark): Which organ is the stomach? [1 mark] Tick () one box. A B C D
  106. June 2022, Biology Paper 1 Foundation, Q01.2 (1 mark): What type of enzyme is produced in the stomach? [1 mark] Tick () one box. Carbohydrase Lipase Protease
  107. June 2022, Biology Paper 1 Foundation, Q01.3 (2 marks): Which term describes the pH in the stomach? Give one reason why the stomach is this pH. [2 marks] Tick () one box. Acidic Alkaline Neutral Reason
  108. June 2022, Biology Paper 1 Foundation, Q01.4 (1 mark): Which organ produces bile? [1 mark] Tick () one box. Large intestine Liver Mouth Pancreas
  109. June 2022, Biology Paper 1 Foundation, Q01.5 (1 mark): How does bile help in the digestion of foods? [1 mark] Tick () one box. It increases the surface area of fats. It is an enzyme that digests protein. It makes t
  110. June 2022, Biology Paper 1 Foundation, Q01.6 (2 marks): Draw one line from each food molecule to the reagent used to test for the food molecule. [2 marks] Food molecule Reagent Protein Starch Sugar Benedict’s solutio
  111. June 2022, Biology Paper 1 Foundation, Q01.7 (1 mark): Give one safety precaution a student should take when using Benedict’s solution. [1 mark]
  112. June 2022, Biology Paper 1 Foundation, Q01.8 (1 mark): Table 1 shows the results for one food sample. Table 1 Test Benedict’s test Biuret test Iodine test Colour after test Red Blue Black Which of the tests show pos
  113. June 2022, Biology Paper 1 Foundation, Q01.9 (1 mark): Starch molecules are not absorbed into the blood from the digestive system. Give one reason why. [1 mark]
  114. June 2022, Biology Paper 1 Foundation, Q04.1 (1 mark): Mutations in cells cause cancer. Where in a cell do mutations happen? [1 mark] Tick () one box. Cell membrane Cytoplasm Nucleus
  115. June 2022, Biology Paper 1 Foundation, Q04.2 (1 mark): Why do some cancers develop into large tumours? [1 mark] Tick () one box. Cells never stop dividing Cell respiration is slowed down Enzyme activity is stopped
  116. June 2022, Biology Paper 1 Foundation, Q04.3 (1 mark): Lung cancer is the most common type of cancer caused by smoking. Suggest one reason why. [1 mark]
  117. June 2022, Biology Paper 1 Foundation, Q04.4 (1 mark): A person with lung cancer can develop secondary cancers in other parts of the body. Describe how this can happen. [1 mark]
  118. June 2022, Biology Paper 1 Foundation, Q04.5 (1 mark): Sometimes a person may need a lung transplant. The National Health Service (NHS) will not offer a lung transplant to a person who smokes. Suggest one reason why
  119. June 2022, Biology Paper 1 Foundation, Q04.6 (1 mark): How many more new cases of skin cancer are there in males aged 40 to 44 than in males aged 15 to 19? [1 mark] Number of new cases =
  120. June 2022, Biology Paper 1 Foundation, Q04.7 (1 mark): There are no new cases of skin cancer diagnosed in males younger than 15 years of age. Suggest one reason why. [1 mark]
  121. June 2022, Biology Paper 1 Foundation, Q04.8 (1 mark): Give one conclusion from the data in Figure 6. [1 mark]
  122. June 2022, Biology Paper 1 Foundation, Q04.9 (2 marks): Survival rates for all types of cancers have improved over the last 20 years. Suggest two reasons why. [2 marks] 1 2
  123. June 2022, Biology Paper 1 Foundation, Q05.7 (1 mark): A vaccine will stimulate the production of antibodies. Which part of the blood in Figure 8 produces antibodies? [1 mark] Tick () one box. A B C D
  124. June 2022, Biology Paper 1 Foundation, Q05.8 (1 mark): Which part of the blood in Figure 8 starts the clotting process? [1 mark] Tick () one box. A B C D
  125. November 2021, Biology Paper 1 Higher, Q01.3 (2 marks): Explain how an increase in temperature would affect the results of this investigation. [2 marks]
  126. November 2021, Biology Paper 1 Higher, Q02 (6 marks): Describe how to test a sample of food for protein, starch and sugar. Give the colours that would be seen if the food sample contained protein, starch and sugar.
  127. November 2021, Biology Paper 1 Higher, Q03.4 (3 marks): Explain the results from 0 minutes to 45 minutes for the flask that was at 2 °C and was then moved to 35 °C. Use Table 2 and Table 3. [3 marks]
  128. November 2021, Biology Paper 1 Higher, Q03.5 (4 marks): Explain the results from 0 minutes to 45 minutes for the flask kept at 35 °C. Use Table 2 and Table 3. [4 marks]
  129. November 2021, Biology Paper 1 Higher, Q05.1 (1 mark): Which blood vessel transports blood with the highest oxygen concentration into the heart? [1 mark] Tick () one box. A B C D
  130. November 2021, Biology Paper 1 Higher, Q05.2 (1 mark): Blood pressure is a measure of the force of the blood against the walls of the blood vessels. Which blood vessel transports blood at the highest pressure? [1 ma
  131. November 2021, Biology Paper 1 Higher, Q05.3 (1 mark): What is the correct order for blood flowing through the heart to the lungs? [1 mark] Tick () one box. left atrium → left ventricle → pulmonary artery left atri
  132. November 2021, Biology Paper 1 Higher, Q05.4 (6 marks): Statins and stents are two treatments used to reduce the risk of someone having a heart attack. Evaluate the use of statins compared with the use of a stent to
  133. November 2021, Biology Paper 1 Higher, Q05.5 (4 marks): Many people who survive a heart attack get out of breath easily when they exercise gently. Explain why heart attack survivors get out of breath easily. [4 marks
  134. November 2021, Biology Paper 1 Higher, Q05.6 (2 marks): Explain why stem cells are used to make the patches. [2 marks]
  135. November 2021, Biology Paper 1 Foundation, Q03.8 (2 marks): Fermentation is controlled by enzymes. The investigation was repeated at 2 °C and at 75 °C. No carbon dioxide was produced at either of these temperatures. Sugg
  136. November 2021, Biology Paper 1 Foundation, Q05.3 (2 marks): Explain how an increase in temperature would affect the results of this investigation. [2 marks]
  137. November 2021, Biology Paper 1 Foundation, Q06 (6 marks): Describe how to test a sample of food for protein, starch and sugar. Give the colours that would be seen if the food sample contained protein, starch and sugar.
  138. November 2020, Biology Paper 1 Higher, Q02.1 (1 mark): What is the name of the enzyme that digests starch? [1 mark]
  139. November 2020, Biology Paper 1 Higher, Q02.2 (1 mark): Where are most food molecules absorbed? [1 mark] Tick () one box. Large intestine Liver Small intestine Stomach Figure 2 shows two villi.
  140. November 2020, Biology Paper 1 Higher, Q02.4 (1 mark): What type of blood vessel is labelled X? [1 mark] Tick () one box. Artery Capillary Vein
  141. November 2020, Biology Paper 1 Higher, Q03.1 (1 mark): Give one disease related to being overweight. [1 mark]
  142. November 2020, Biology Paper 1 Higher, Q03.2 (3 marks): Body mass index (BMI) helps to show if a person has a healthy body mass for their height. BMI is calculated using the equation: BMI = body mass in kg (height in
  143. November 2020, Biology Paper 1 Higher, Q03.3 (1 mark): Figure 4 shows a height-body mass chart for adults. Figure 4 Which weight category describes the woman in Question 03.2? [1 mark] Tick () one box. Underweight
  144. November 2020, Biology Paper 1 Higher, Q03.4 (3 marks): People are encouraged to control their body mass with diet and exercise. Describe how the balance between the mass of food eaten and the amount of exercise a pe
  145. November 2020, Biology Paper 1 Foundation, Q01.1 (1 mark): What is one lifestyle change a person could make to help them lose body mass? [1 mark] Tick () one box. Drink more alcohol Eat less fatty food Stop smoking
  146. November 2020, Biology Paper 1 Foundation, Q01.2 (2 marks): Exercise has many health benefits. Give two health benefits of regular exercise. Do not refer to losing body mass in your answer. [2 marks] 1 2
  147. November 2020, Biology Paper 1 Foundation, Q01.4 (1 mark): Figure 1 shows the human breathing system. Figure 1 Where does gas exchange take place? [1 mark] Tick () one box. A B C D
  148. November 2020, Biology Paper 1 Foundation, Q01.5 (2 marks): The scientist concluded that person B was the fittest. Give two reasons that support the scientist’s conclusion. Use Table 1. [2 marks] 1 2
  149. November 2020, Biology Paper 1 Foundation, Q04.3 (6 marks): If pathogens do enter the body the immune system tries to destroy the pathogens. Describe how the immune system defends the body against disease. [6 marks]
  150. November 2020, Biology Paper 1 Foundation, Q06.1 (1 mark): What is the name of the enzyme that digests starch? [1 mark]
  151. November 2020, Biology Paper 1 Foundation, Q06.2 (1 mark): Where are most food molecules absorbed? [1 mark] Tick () one box. Large intestine Liver Small intestine Stomach Figure 6 shows two villi.
  152. November 2020, Biology Paper 1 Foundation, Q06.4 (1 mark): What type of blood vessel is labelled X? [1 mark] Tick () one box. Artery Capillary Vein
  153. June 2019, Biology Paper 1 Higher, Q01.1 (1 mark): Which blood vessel carries deoxygenated blood away from the heart to the lungs? [1 mark] Tick () one box. A B C D
  154. June 2019, Biology Paper 1 Higher, Q01.2 (1 mark): The natural resting heart rate is controlled by a group of cells that act as a pacemaker. Where in the heart are ‘pacemaker cells’ found? [1 mark] Tick () one
  155. June 2019, Biology Paper 1 Higher, Q01.4 (3 marks): Calculate stroke volume X in Table 1. Use the equation: cardiac output = stroke volume × heart rate Give your answer to 2 significant figures. [3 marks] Stroke
  156. June 2019, Biology Paper 1 Higher, Q01.5 (6 marks): Some people who take beta blockers get out of breath when they exercise. Explain why beta blockers can have this effect during exercise. You should refer to inf
  157. June 2019, Biology Paper 1 Higher, Q02.1 (1 mark): Name the enzyme that digests starch in the human digestive system. [1 mark]
  158. June 2019, Biology Paper 1 Higher, Q02.2 (2 marks): Suggest which parts of the body the partially permeable tubing and the water in the test tube represent. [2 marks] Partially permeable tubing Water in the test
  159. June 2019, Biology Paper 1 Higher, Q02.3 (2 marks): Name the reagents used to test for starch and for sugar. [2 marks] Starch Sugar
  160. June 2019, Biology Paper 1 Higher, Q02.4 (1 mark): Why was there no sugar present in test 1? [1 mark]
  161. June 2019, Biology Paper 1 Higher, Q02.5 (2 marks): Explain the results for test 3. [2 marks]
  162. June 2019, Biology Paper 1 Higher, Q02.6 (2 marks): Explain the results for test 4. [2 marks]
  163. June 2018, Biology Paper 1 Higher, Q02.1 (2 marks): Explain what a non-communicable disease is. [2 marks]
  164. June 2018, Biology Paper 1 Higher, Q02.2 (3 marks): Explain how CHD can cause a heart attack. [3 marks]
  165. June 2018, Biology Paper 1 Higher, Q02.3 (6 marks): Explain how lifestyle and medical risk factors increase the chance of developing CHD. [6 marks]
  166. June 2018, Biology Paper 2 Higher, Q03.3 (1 mark): Give the reasons for your answer to question 03.2 [1 mark]

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