Mock test. 1 hour and 45 minutes. 95 marks available.
Each time the test is taken it will present different questions.
GCSE OCR Combined Science B Papers 1 and 5
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Why not try another Science Mock Exam and see how well you do?
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#1. What is the role of amylase?
#2. Which of these are examples of blood vessels?
Select all that apply:
#3. How many chambers does the heart have?
#4. Resting metabolic rate is measured under which of the following conditions?
Select all that apply:
#5. Which hormone is released from the adrenal gland?
#6. Which of the following plants have a mutualistic relationship with nitrogen-fixing bacteria?
Select all that apply:
#7. Which of the following organisms belong to the kingdom - animals?
Select all that apply:
#8. How does nitrogen in plants get into the soil?
#9. In some areas where there are poor soils (not enough nitrogen) carnivorous plants have adapted to get their nitrogen from which source?
#10. Why do high breathing and heart rates remain after exercise?
Select all that apply:
#11. Upon the release of adrenaline do blood vessels widen, narrow or both?
The blood vessels are constricted or dilated depending on where the blood flows.
The muscles required for running for example are dilated since they are required to match the “fight or flight” response. Others are constricted as they are temporarily deemed less important.
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#12. Organs that exchange substances into and out of the body have:
#13. What are the monomers of fats/lipids?
#14. What do we call an organ that is affected by a specific hormone?
#15. Palisade cells are found just below the epidermis of leaves. What is their role and how are they adapted to perform it?
#16. What is the role of coronary arteries?
#17. During exercise, your cells require more oxygen and glucose. What changes in the body happen during exercise to meet these increased needs?
Select all that apply:
#18. How are cells that line the small intestine specialised?
#19. What is the role of the nucleus?
#20. Fill in the gap to complete the word equation for aerobic respiration. glucose + oxygen → ..... + water
#21. Which of these substances is sometimes added to water to make it potable?
#22. Which system is responsible for ensuring the supply of oxygen and glucose to cells?
#23. Cells are adapted to perform a specific function. Why do cells in the pancreas have lots of ribosomes?
#24. Which sub-cellular structures can be found in bacteria?
Select all that apply:
#25. The male gametes (sperm cells) are adapted to their function. Which of the following are adaptations of sperm cells?
Select all that apply:
#26. What natural source of nitrogen is sometimes added to fields by farmers?
#27. Anaerobic respiration does not involve oxygen. Select the correct word equation for anaerobic respiration.
#28. What travels along neurones to pass information through the nervous system?
#29. Match the description to the correct term. All of the organisms that live in a particular pond.
#30. What groups of organisms belong to the domain - eukaryotes? ? Eukaryotes have a membrane bound nucleus
Select all that apply:
#31. Producers are organisms which do what?
#32. Which type of factor is predation?
#33. Why is the binomial naming system useful for scientists?
#34. What is the function of white blood cells?
#35. Growth is increased during puberty. Why is this?
#36. What is the balanced chemical equation for photosynthesis?
#37. Is diffusion an active or a passive process?
#38. What is the binomial name for humans?
#39. Sometimes it is not possible to measure the number of organisms in a transect, for example when measuring the distribution of plants. In this case we use an alternative measure called what?
#40. Surfaces where diffusion takes place allowing substances to enter the body usually have which characteristics?
Select all that apply:
#41. How do substances typically move into and out of the body, for example, oxygen in the lungs? ? 1 word answer
#42. Arteries carry blood around the body, do they carry blood away from or towards the heart?
Remember – Arteries Away
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#43. By which process does water in the clouds move onto land?
#44. What are the three domains?
#45. Electron microscopes have much higher resolution and magnification than light microscopes. What are the advantages of this?
#46. What is the definition of resolution?
#47. True or false - volcanism removes carbon from the atmosphere
#48. Which of these is a community?
#49. What is the part of the heart that the arrows are pointing to?
#50. Which of the following can we use to investigate the effect of abiotic factors on the distribution of organisms?
#51. Which process in the body produces carbon dioxide?
#52. Which of the following is the source of coal?
#53. Which of the following is the correct word equation for aerobic respiration?
#54. Which of these is the correct explanation for why photosynthesis is slower at lower temperatures?
#55. Which of these is a population?
#56. What is the role of glycogen synthase?
#57. What are nitrogen-fixing bacteria?
#58. We sometimes use a transect to perform systematic sampling. This involves which of the following?
#59. Motor neurones carry impulses to which part of the nervous system?
#60. What is the role of protease?
#61. Is photosynthesis an endothermic or an exothermic reaction?
#62. Respiration from animals is a source of carbon dioxide in the atmosphere - do plants also use respiration?
#63. Name two resources that both animals and plants need to survive and reproduce? ? structure your answer like this: ..... and .....
#64. The water cycle has one part where water is in solid form - what is that form of storage?
#65. What are substrates?
#66. Capillaries are only one cell thick and have thousands of branches. What is the function of capillaries?
#67. What is the difference between aerobic and anaerobic respiration?
#68. The pacemaker cells tell the heart when to beat, where are they located?
#69. In which part of the cell does anaerobic respiration take place?
#70. What do we mean by the distribution of organisms?
#71. Which of the following is an effect stimulated by the thyroxine hormone?
#72. Which parts of the heart and blood vessels stop blood from flowing in the wrong direction?
#73. Increases in thyroxine concentration in the blood cause a decrease in the amount of thyroxine released. What kind of feedback mechanism is this?
#74. Which of the following features are found in veins?
#75. The binomial name for tigers is Felis tigris. Which part of the name represents the genus?
#76. Which of the following describes metabolic rate?
#77. Multicellular organisms are too large to allow diffusion through their cells to provide the necessary resources. Instead we have transport systems. What is the name of the transport system that uses capillaries to transport substances via the blood?
#78. In which sub-cellular structure inside plant cells does photosynthesis occur?
#79. Which of the following are factors that affect the rate of diffusion?
Select all that apply:
#80. What is the resolution of electron microscopes limited by?
#81. Which structures in the lungs increase the surface area and therefore the speed and amount of gas exchanged?
#82. What is an active site?
#83. Who invented the binomial naming system?
Uh oh, maybe you need some lessons!
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#84. What is the name of the chemicals that we use to transmit messages through the blood to organs?
#85. The respiratory system relies on diffusion of oxygen and carbon dioxide. Which of the following statements are correct?
Select all that apply:
#86. What are biotic factors?
#87. What is the cell wall made from in bacteria?
#88. Where are relay neurones found?
#89. What is the role of the acrosome on a sperm cell?
#90. What is the role of the central nervous system (CNS)?
#91. What are the monomers of proteins?
#92. What is the equation for magnification?
There are two equations for magnification, both tell you how many times larger the image appears than it actually is.
One equation links the magnification of the two lenses and the other equation links magnification to the size of the object and image.
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#93. Which of the following are 3 of the adaptations of leaves for efficient photosynthesis?
Select all that apply:
#94. What are enzymes?
#95. Place the measurement units in order from from biggest to smallest. micrometres, picometres, kilometres, metres, nanometres, millemetres ? Use British Spelling - Metres* NOT Meters
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