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Transport Systems · CSEC Biology

132 past-paper questions on Transport Systems, part of Life Processes and Disease, from every CSEC Biology paper on Quelpr.

Practise Transport Systems
  1. 1(a)(i)4 marks· Biology Q1 1(a)(i)On the grid provided on page 3, draw a line graph to represent the data shown in Table 1.
  2. 1(a)(i)4 marks· Biology Q1 1(a)(i)Describe the procedure that uses the apparatus shown in Figure 1 to investigate the rate of transpiration of the potted plant within the 12-hour period.
  3. 1(a)(i)4 marks· Biology Q1 1(a)(i)Briefly describe the process of transpiration in plants. Your description must include the names of TWO of the organs involved in transpiration.
  4. 1(a)(i)5 marks· Biology Q1 1(a)(i)On the grid provided below, draw a graph to represent the data in Table 1.
  5. 1(a)(ii)2 marks· Biology Q1 1(a)(ii)Describe the shape of the graph between Months 1 and 3 and between Months 4 and 6.
  6. 1(a)(ii)1 mark· Biology Q1 1(a)(ii)State ONE precaution that should be taken to ensure that the results are accurate.
  7. 1(a)(ii)2 marks· Biology Q1 1(a)(ii)Account for the differences in the shape of the line graphs for Stalks A and B.
  8. 1(a)(ii)9 marks· Biology Q1 1(a)(ii)Use the grid on page 5 to draw a graph of the results.
  9. 1(a)(iii)2 marks· Biology Q1 1(a)(iii)Suggest TWO factors that may affect the rate of transpiration of the potted plant.
  10. 1(a)(iii)1 mark· Biology Q1 1(a)(iii)Using the results from Table 1, state how the rate of transpiration changes as the relative humidity changes.
  11. 1(a)(iii)2 marks· Biology Q1 1(a)(iii)Taking into account the concentration of oxygen at higher altitudes, give an explanation for the change in the red blood cell count at higher altitudes.
  12. 1(a)(iv)2 marks· Biology Q1 1(a)(iv)Suggest a suitable hypothesis for the results shown in Table 1.
  13. 1(a)(iv)2 marks· Biology Q1 1(a)(iv)Suggest TWO ways by which the results given in Table 1 support your answer in (a)(iii).
  14. 1(a)(v)2 marks· Biology Q1 1(a)(v)What would be a suitable control in an experiment being conducted to test the hypothesis suggested in (iv) above?
  15. 1(a)(v)1 mark· Biology Q1 1(a)(v)A farmer observed that his plants wilted during the day but recovered at night. Suggest to the farmer ONE reason for this occurrence.
  16. 1(b)2 marks· Biology Q1 1(b)Write a suitable aim for this experiment.
  17. 1(b)4 marks· Biology Q1 1(b)In the space provided below, draw a labelled diagram of the apparatus that can be used in an experiment to illustrate that Part Z will take in water for use by Part Y (in Figure 1 on page 2).
  18. 1(b)(i)4 marks· Biology Q1 1(b)(i)Draw a suitable table and record the results presented in the graph in Figure 2.
  19. 1(b)(i)4 marks· Biology Q1 1(b)(i)Suggest TWO ways in which the animal transport system and the plant transport system are different.
  20. 1(b)(ii)1 mark· Biology Q1 1(b)(ii)During what time period was the rate of transpiration highest?
  21. 1(b)(ii)2 marks· Biology Q1 1(b)(ii)Explain why sickle-cell anaemia makes Katz feel tired easily.
  22. 1(b)(ii)2 marks· Biology Q1 1(b)(ii)Differentiate between the transport needs of a unicellular animal and a multicellular animal.
  23. 1(b)(iii)6 marks· Biology Q1 1(b)(iii)Suggest TWO reasons for the shape of the graph during EACH of the following time periods: 6 a.m. to 8 a.m., 9 a.m. to 11 a.m., 12 noon to 2 p.m.
  24. 1(b)(v)4 marks· Biology Q1 1(b)(v)Discuss the processes by which the raw materials required for making nutrients reach the leaves of the plant.
  25. 1(c)1 mark· Biology Q1 1(c)Which flask represents the control in this investigation?
  26. 1(c)3 marks· Biology Q1 1(c)Explain how changes in the epidermal cells of leaves help plants to conserve water during high temperatures.
  27. 1(c)(i)2 marks· Biology Q1 1(c)(i)Using arrows only, illustrate on Figure 2 the pathway by which the products of photosynthesis arrive at storage cells or organs.
  28. 1(c)(i)3 marks· Biology Q1 1(c)(i)Discuss how transpiration helps plants to move water from their roots to their leaves.
  29. 1(c)(i)1 mark· Biology Q1 1(c)(i)Suggest ONE condition under which the number of white blood cells in the human body will be increased.
  30. 1(c)(ii)1 mark· Biology Q1 1(c)(ii)What is the name of the transporting tissue?
  31. 1(c)(ii)2 marks· Biology Q1 1(c)(ii)State the function of TWO different types of white blood cells.
  32. 1(c)(iii)1 mark· Biology Q1 1(c)(iii)Suggest why red blood cells have a shorter life span than that of white blood cells.
  33. 1(d)2 marks· Biology Q1 1(d)What conclusion can be drawn from this data?
  34. 1(d)(i)2 marks· Biology Q1 1(d)(i)Name TWO substances that are transported by blood.
  35. 1(d)(i)3 marks· Biology Q1 1(d)(i)Describe how you would prepare the materials and apparatus for investigation illustrated in Figures 1.1 and 1.2.
  36. 1(d)(i)2 marks· Biology Q1 1(d)(i)Describe TWO ways by which plants protect themselves from excess water loss.
  37. 1(d)(ii)4 marks· Biology Q1 1(d)(ii)Explain how this will affect the ability of these three students to perform well in sports.
  38. 1(d)(ii)1 mark· Biology Q1 1(d)(ii)Suggest ONE limitation to the method you described in d (i).
  39. 1(d)(ii)1 mark· Biology Q1 1(d)(ii)Apart from nutrients, suggest ONE OTHER value of breast milk.
  40. 1(d)(iii)1 mark· Biology Q1 1(d)(iii)How far did the bubble move in 20 minutes?
  41. 1(d)(iv)2 marks· Biology Q1 1(d)(iv)Estimate the transpiration rate of the plant in the investigation.
  42. 1(d)(v)2 marks· Biology Q1 1(d)(v)Suggest ONE reason why your estimated rate is not necessarily accurate.
  43. 1(d)(vi)1 mark· Biology Q1 1(d)(vi)Identify ONE external factor that might affect the movement of the bubble.
  44. 1(e)(i)4 marks· Biology Q1 1(e)(i)Draw and annotate a diagram to show how the following materials could be set up to investigate the rate at which water moves through the xylem vessels under TWO different conditions. Materials: 2 beakers, water, dye,…
  45. 1(e)(ii)2 marks· Biology Q1 1(e)(ii)Write a suitable hypothesis for this investigation.
  46. 1(f)2 marks· Biology Q1 1(f)Describe TWO ways in which the xylem is adapted for transporting water within a flowering plant.
  47. 1(f)4 marks· Biology Q1 1(f)Relate the structure of xylem vessels to their role in the transport of water through plant stems.
  48. 1(g)3 marks· Biology Q1 1(g)Suggest THREE ways in which transpiration benefits plants.
  49. 1(h)2 marks· Biology Q1 1(h)Name a type of transport tissue, OTHER THAN xylem, found in flowering plants and state the composition of the fluid transported in this tissue.
  50. 1(i)3 marks· Biology Q1 1(i)Outline ONE difference and TWO similarities between the transport system of flowering plants and that of mammals.
  51. 2(a)(i)3 marks· Biology Q2 2(a)(i)Identify the structures labelled A, B and C in Figure 4. Write your answers on the lines provided in Figure 4.
  52. 2(a)(i)2 marks· Biology Q2 2(a)(i)Name the parts of the heart labelled I and II in Figure 2.
  53. 2(a)(ii)4 marks· Biology Q2 2(a)(ii)Using FOUR arrows only, show on the diagram the direction of blood flow from the pulmonary artery to the aorta.
  54. 2(a)(ii)2 marks· Biology Q2 2(a)(ii)Explain how the function of the heart may be affected by a blockage of the blood vessel shown at X.
  55. 2(a)(iii)2 marks· Biology Q2 2(a)(iii)Name TWO structures shown in the diagram that ensure the blood flows in one direction only.
  56. 2(b)2 marks· Biology Q2 2(b)Outline how the final products of the digestion of protein and fat are transported from the gut to the liver.
  57. 2(b)(i)1 mark· Biology Q2 2(b)(i)Which blood vessel, A or B, represents a vein?
  58. 2(b)(ii)1 mark· Biology Q2 2(b)(ii)Identify ONE structure visible in Figure 5 which helps a vein to carry out its function.
  59. 2(b)(ii)2 marks· Biology Q2 2(b)(ii)Sometimes burns are treated by grafting onto the burnt area skin taken from another part of a person's own body. Outline ONE advantage of this procedure.
  60. 2(b)(ii)2 marks· Biology Q2 2(b)(ii)Name the TWO major blood vessels that branch to form the capillaries shown in Figure 2b.
  61. 2(b)(iii)2 marks· Biology Q2 2(b)(iii)Explain how the structure identified in (b)(ii) allows the vein to fulfil its function.
  62. 2(b)(iii)2 marks· Biology Q2 2(b)(iii)Identify TWO factors besides smoking that could cause the heart to malfunction.
  63. 2(b)(iii)3 marks· Biology Q2 2(b)(iii)Explain how oxygen from the air in the lungs moves to the rest of the body and into cells where it is needed.
  64. 2(b)(iv)2 marks· Biology Q2 2(b)(iv)Explain how such deposits may lead to hypertension.
  65. 2(c)2 marks· Biology Q2 2(c)Identify the vessels shown at Positions P and Q in Figure 6.
  66. 2(d)2 marks· Biology Q2 2(d)Suggest why the treatment of some blood diseases may involve a bone marrow transplant.
  67. 2(d)2 marks· Biology Q2 2(d)Explain why plants do NOT need an organ like a heart in their transport system, and outline ONE mechanism by which plants move fluids through their transport vessels.
  68. 3(a)(i)3 marks· Biology Q3 3(a)(i)Identify the structures labelled A, B and C in Figure 3.
  69. 3(a)(i)3 marks· Biology Q3 3(a)(i)Identify the components of blood that are labelled A, B and C in Figure 1. A B C
  70. 3(a)(i)4 marks· Biology Q3 3(a)(i)Using FOUR arrows ONLY show the direction of flow of blood into and out of the human heart illustrated in Figure 3.
  71. 3(a)(ii)1 mark· Biology Q3 3(a)(ii)Name the component of the blood that is responsible for clotting.
  72. 3(a)(ii)2 marks· Biology Q3 3(a)(ii)Name the blood vessels labelled P and Q respectively.
  73. 3(a)(ii)1 mark· Biology Q3 3(a)(ii)State the function of the structure labelled C in Figure 3.
  74. 3(a)(iii)2 marks· Biology Q3 3(a)(iii)Some babies are born with a small opening in the wall/septum between the two upper chambers of the heart. Suggest how this condition would affect the functioning of the heart when the atria contract.
  75. 3(a)(iii)2 marks· Biology Q3 3(a)(iii)State TWO structural differences between xylem and phloem.
  76. 3(b)3 marks· Biology Q3 3(b)Complete the flow diagram shown in Figure 2 by filling in the missing words at positions D, E and F.
  77. 3(b)(i)3 marks· Biology Q3 3(b)(i)Using THREE arrows only, show on Figure 4 the path of water diffusing from the leaf.
  78. 3(b)(i)2 marks· Biology Q3 3(b)(i)Name TWO substances that the heart muscle cells will receive in this blood supply.
  79. 3(b)(ii)1 mark· Biology Q3 3(b)(ii)Identify ONE substance found in the blood supply that can cause the walls of the coronary artery to thicken.
  80. 3(b)(ii)a)1 mark· Biology Q3 3(b)(ii)a)Place an X on Figure 4, in the area where food material is likely to be stored.
  81. 3(b)(ii)b)3 marks· Biology Q3 3(b)(ii)b)Label any THREE structures in Figure 4.
  82. 3(b)(iii)1 mark· Biology Q3 3(b)(iii)Name ONE consequence to a herbaceous plant if there is temporary unavailability of water to replace the water lost from the leaves.
  83. 3(b)(iii)2 marks· Biology Q3 3(b)(iii)How does the thickening of the coronary arterial wall affect the heart?
  84. 3(c)2 marks· Biology Q3 3(c)State TWO cellular components of blood.
  85. 3(c)4 marks· Biology Q3 3(c)Identify TWO types of transport vessels in plants and for EACH identify ONE substance which it transports.
  86. 3(c)(i)3 marks· Biology Q3 3(c)(i)Explain how water from the soil gets to the leaf in a plant.
  87. 3(c)(ii)2 marks· Biology Q3 3(c)(ii)Explain how any ONE structural feature of plant cells helps in transport in plants.
  88. 3(c)(ii)2 marks· Biology Q3 3(c)(ii)How does food manufactured in photosynthesis reach storage areas in the root?
  89. 3(d)1 mark· Biology Q3 3(d)Suggest ONE reason why haemophiliacs may be more susceptible to infectious disease.
  90. 3(d)2 marks· Biology Q3 3(d)Explain why all the water taken up by the roots of a plant is NOT lost by evaporation from the leaves.
  91. 4(a)2 marks· Biology Q4 4(a)Name TWO ways by which the human body prevents itself from becoming infected.
  92. 4(a)(i)6 marks· Biology Q4 4(a)(i)With the aid of a labelled diagram, describe how the mammalian heart pumps deoxygenated blood from the cells in the body to the lungs to become oxygenated.
  93. 4(a)(i)7 marks· Biology Q4 4(a)(i)Using a diagram to illustrate the circulatory system, describe how oxygenated blood from the lungs is distributed to organs and tissues.
  94. 4(a)(ii)7 marks· Biology Q4 4(a)(ii)Explain how oxygen becomes available to a muscle tissue for respiration.
  95. 4(a)(ii)4 marks· Biology Q4 4(a)(ii)The structure of arteries and veins differ from each other. Explain how TWO of these differences allow these blood vessels to carry out their functions.
  96. 4(b)2 marks· Biology Q4 4(b)In a large tree most structures are NOT green. Explain how such structures get the food materials they need to survive.
  97. 4(b)(i)3 marks· Biology Q4 4(b)(i)State ONE similarity and ONE difference between the structure of a blood capillary and the structure of a xylem vessel found in the stem of a green plant.
  98. 4(b)(ii)2 marks· Biology Q4 4(b)(ii)Suggest TWO reasons why green plants do not need to depend on xylem for transporting oxygen to their cells.
  99. 4(c)4 marks· Biology Q4 4(c)Suggest TWO reasons why the plants observed growing along the trail had mechanisms to reduce water loss.
  100. 4(c)4 marks· Biology Q4 4(c)Transport vessels in plants have features that are similar to transport vessels in animals. Describe TWO ways in which xylem tissues are similar to blood vessels.
  101. 4(c)(i)7 marks· Biology Q4 4(c)(i)Explain how a vaccine can provide the student with active acquired immunity against this disease.
  102. 4(c)(ii)7 marks· Biology Q4 4(c)(ii)Discuss why a vaccine that provides passive acquired immunity is NOT suitable for this student.
  103. 4(e)2 marks· Biology Q4 4(e)Suggest why a person living at high altitudes requires a relatively large number of red blood cells.
  104. 5(a)8 marks· Biology Q5 5(a)With the aid of a fully labelled diagram of the heart, explain how blood is pumped to the rest of the body.
  105. 5(a)8 marks· Biology Q5 5(a)Name FOUR major components that make up human blood, and explain how the oxygen transported by the blood becomes available to cells for the production of energy.
  106. 5(a)6 marks· Biology Q5 5(a)Name THREE components of human blood that are important in protecting the body against pathogenic diseases and state the function of EACH.
  107. 5(a)(i)4 marks· Biology Q5 5(a)(i)Describe the pathway that blood takes as it flows into the heart from the lungs, until it is pumped out of the heart to be sent to the rest of the body.
  108. 5(a)(ii)1 mark· Biology Q5 5(a)(ii)How do the cells in the human body obtain the raw materials for respiration?
  109. 5(a)(ii)9 marks· Biology Q5 5(a)(ii)Suggest why it is important for human blood to have a specialised type of cell for oxygen absorption.
  110. 5(b)5 marks· Biology Q5 5(b)Explain how the type of immunity that Marianne acquired from breastfeeding differs from the type of immunity that her father acquired from his vaccine. In your explanation, state the name of EACH type of immunity.
  111. 5(b)9 marks· Biology Q5 5(b)Immunity may be naturally or artificially acquired. Discuss THREE differences between natural immunity and artificial immunity, and describe any THREE steps of the mechanism (in the body) by which artificial immunity is…
  112. 5(b)4 marks· Biology Q5 5(b)Chemotherapy destroys both malignant and good cells. Explain why a person undergoing chemotherapy would have decreased natural immunity.
  113. 5(b)(i)6 marks· Biology Q5 5(b)(i)Describe how a vaccine works in building immunity.
  114. 5(b)(i)7 marks· Biology Q5 5(b)(i)Suggest why vaccination is NOT effective in the prevention, treatment or control of most diseases of the heart and blood vessels.
  115. 5(b)(i)7 marks· Biology Q5 5(b)(i)Identify TWO likely symptoms of persons suffering from anaemia.
  116. 5(b)(ii)6 marks· Biology Q5 5(b)(ii)Suggest why vaccines may NOT always have the desired effect in treating persons infected with disease.
  117. 5(b)(ii)7 marks· Biology Q5 5(b)(ii)Explain why there is an increase in the number of white blood cells in a patient following heart surgery.
  118. 5(b)(ii)b)1 mark· Biology Q5 5(b)(ii)b)How is the oxygen-carrying capacity of the blood reduced by iron-deficiency anaemia?
  119. 5(c)4 marks· Biology Q5 5(c)Suggest TWO reasons why some parents may have a valid concern about immunizing their children and TWO reasons why the authorities maintain their position on preventing the entry of unvaccinated children.
  120. 5(c)5 marks· Biology Q5 5(c)Suggest why he is given an antiserum injection instead of a vaccine.
  121. 5(c)2 marks· Biology Q5 5(c)Suggest ONE reason why some persons with diseases have higher than normal numbers of white blood cells.
  122. 6(a)(i)8 marks· Biology Q6 6(a)(i)How does the human body defend itself against disease?
  123. 6(a)(i)6 marks· Biology Q6 6(a)(i)Distinguish between artificial immunity and natural immunity. In your answer, explain how artificial immunity and natural immunity protect the human body against infectious diseases.
  124. 6(a)(ii)2 marks· Biology Q6 6(a)(ii)Suggest TWO disadvantages of immunization.
  125. 1(f)(i)1 mark· CSEC Biology · January 2021 · Paper 2Explain ONE way in which white blood cells defend the body against disease.
  126. 1(f)(ii)1 mark· CSEC Biology · January 2021 · Paper 2Explain ONE way in which platelets defend the body against disease.
  127. 6(a)(i)3 marks· CSEC Biology · January 2021 · Paper 2Name THREE valves found in the heart.
  128. 6(a)(ii)3 marks· CSEC Biology · January 2021 · Paper 2On Figure 5, label the THREE valves named in (a)(i) to show their location.
  129. 6(b)1 mark· CSEC Biology · January 2021 · Paper 2State ONE difficulty that Joy may experience as a result of having an abnormal heart valve.
  130. 1(c)(ii)1 mark· CSEC Biology · May/June 2021 · Paper 2Suggest one way in which the leaf is adapted for preventing excess water loss.
  131. 5(a)6 marks· CSEC Biology · May/June 2021 · Paper 2Use clearly labelled diagrams to illustrate the structure of a red blood cell and the structure of a white blood cell.
  132. 5(b)4 marks· CSEC Biology · May/June 2021 · Paper 2Explain how any two features of a red blood cell ensure that it is suitable for its major function in the human body.

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