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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#1. Fill in the gap to complete the word equation for aerobic respiration. glucose + oxygen → ….. + water
#2. The binomial name for tigers is Felis tigris. Which part of the name represents the genus?
#3. Where does blood from the aorta travel to?
#4. The Nervous System is made up of two parts, the Central Nervous System (CNS) and what other part?
3
#5. The respiratory system relies on diffusion of oxygen and carbon dioxide. Which of the following statements are correct?
Select all that apply:
#6. What is the role of DNA synthase?
#7. What is groundwater?
#8. The male gametes (sperm cells) are adapted to their function. Which of the following are adaptations of sperm cells?
Select all that apply:
#9. Who invented the binomial naming system?
Uh oh, maybe you need some lessons!
#10. Which of the following are the 4 factors that affect the rate of photosynthesis?
Select all that apply:
#11. What is the role of effectors?
#12. Which parts of the heart and blood vessels stop blood from flowing in the wrong direction?
#13. What is the Induced Fit Model of enzyme action?
#14. What effect does adrenaline have on the liver?
#15. How do substances typically move into and out of the body, for example, oxygen in the lungs? ? 1 word answer
#16. What is an active site?
#17. What is the gap between neurones called?
#18. Which of the following are waste products produced by the body?
Select all that apply:
#19. What is the definition of resolution?
#20. What is the resolution of light microscopes limited by?
#21. Which organisms maintain the nitrogen levels in the soil?
#22. Oxygen enters the body via the?
#23. Cells are adapted to perform a specific function. Why do cells in the pancreas have lots of ribosomes?
#24. Which type of factor is water availability?
#25. Is the following statement accurate: nitrogen be can be moved back and forth from the atmosphere and into the soil by bacteria.
#26. What does abundance measure?
#27. Predators are essential for healthy ecosystems – what happens if predators are removed due to extinction?
#28. Is active transport an active or a passive process?
#29. Which of the following sub-cellular structures provides structure and support for the cell?
Select all that apply:
#30. Why can humans only survive a few days without water?
#31. What is the part of the heart that the arrows are pointing to?
#32. What is meant by an active process?
#33. True or false – carbon dioxide is removed from the atmosphere as it dissolves in the oceans?
#34. When fossil fuels are burned they release carbon into the atmosphere – which of the following are fossil fuels?
#35. Is osmosis an active or a passive process?
#36. Resting metabolic rate is measured under which of the following conditions?
Select all that apply:
#37. What is the word equation for photosynthesis? ? In some examples you might also see sunlight and chlorophyll above and below the arrow.
#38. Where does blood from the pulmonary artery travel to?
#39. How are cells that line the small intestine specialised?
#40. Organs that exchange substances into and out of the body have:
#41. In some areas where there are poor soils (not enough nitrogen) carnivorous plants have adapted to get their nitrogen from which source?
#42. The female gametes (egg cells) are adapted to their function. Which of the following are adaptations of egg cells?
Select all that apply:
#43. Fill in the gap: Receptors detect pain and send impulses via the sensory neurone towards the spinal cord. The ………………… intercepts the signal and diverts it along motor neurones to the effectors (muscles) which quickly move away from the source of pain.
#44. The water cycle has one part where water is in solid form – what is that form of storage?
#45. Which type of factor is parasitism?
#46. What is enzyme specificity?
#47. In a scientific investigation, you and two others randomly sample a rocky shore using quadrats. You find that on average there are 2 crabs per quadrat and the whole shore would be covered by 150 quadrats. Estimate how many crabs are on the whole shore.
#48. Which of these is a population?
#49. Which process in the body produces carbon dioxide?
#50. Which of the following features are found in arteries?
#51. Is diffusion an active or a passive process?
#52. Match the description to the correct term. All of the individuals of a species that live in a particular woodland.
#53. Is respiration an exothermic or an endothermic reaction?
#54. What is the binomial name for humans?
#55. Which sub-cellular structures can be found in plants?
Select all that apply:
#56. What is the role of the acrosome on a sperm cell?
#57. Which of the following is the correct word equation for aerobic respiration?
#58. Respiration from animals is a source of carbon dioxide in the atmosphere – do plants also use respiration?
#59. What is the role of the nucleus?
#60. What is the role of lipase?
#61. Through which process would air freshener sprayed in one corner of a room disperse?
#62. What does μm stand for?
#63. What is the function of plasma?
#64. What do we call animals that only eat plants?
#65. What is the function of red blood cells (Erythrocytes)?
#66. Which of these is an effector?
#67. The 5 kingdoms of life are Animals, Plants, Fungi, Protists and Prokaryotes. Which kingdom do algae belong to?
#68. What natural source of nitrogen is sometimes added to fields by farmers?
#69. The drug called Digitalis slows the heart rate. Where does the drug come from?
#70. What is the role of protease?
#71. What is the resolution of electron microscopes limited by?
#72. What is the Lock and Key Model of enzyme action?
#73. Which description most accurately describes osmosis?
#74. What are the monomers of carbohydrates?
#75. Complete the equation used to calculate population size: population size = ………….. x total size of it habitat / total area of quadrats
#76. Which of these processes allows saltwater to become potable?
#77. Which type of factor is air temperature?
#78. 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.
#79. What are the upper chambers of the heart called?
#80. Which hormone is released from the adrenal gland?
#81. Is the following statement accurate? Lightning can cause atmospheric nitrogen to be released into the rain and be washed into the soil?
#82. True or false – A passive process is automatic and does not require energy?
#83. What is the role of amylase?
#84. Urea is produced when amino acids are broken down. Which organ processes urea?
#85. What groups of organisms belong to the domain – eukaryotes? ? Eukaryotes have a membrane bound nucleus
Select all that apply:
#86. Which type of white blood cells produce antibodies that stick to the antigens of pathogens?
#87. What are two systems which allow your body to respond to its surroundings?
Select all that apply:
#88. Arteries carry blood around the body, do they carry blood away from or towards the heart?
Remember – Arteries Away