Mock test. 1 hour and 45 minutes. 75 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. A coil of wire with current flowing through it is an electromagnet. What else do we call a coil of wire?
#2. When a mixture of rocks, salt and water is filtered, what will be the residue?
#3. What is an advantage of anaerobic respiration?
#4. What is current measured in?
#5. In longitudinal waves are the vibrations parallel or at right angles to the direction of wave travel?
#6. What is the name of the apparatus used for distillation?
#7. What is the role of the inferior vena cava?
#8. What are cells that line structures in the body and have cilia?
#9. Is nuclear fusion renewable?
#10. Which of the following items would you need to perform filtration?
Select all that apply:
#11. Where are nitrogen-fixing bacteria found in plants such as peas and beans?
#12. Which of the following are uses for paper chromatography?
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#13. Which process transfers heat using electromagnetic waves?
#14. Using the kinetic energy equation - calculate the kinetic energy of a car with a mass of 1200kg travelling at 10 m/s. Include units. ? If you do not remember the kinetic energy equation it is listed below the quiz.
#15. What is the part of the heart that the arrows are pointing to?
#16. True or False - Vector quantities only have magnitude?
#17. Which steps can we take to reduce the impact of climate change on humanity or prevent further climate change?
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#18. What is the equation for Rf values in paper chromatography?
#19. Which pathway is used when rapid automatic responses are needed by your body to external stimuli, like touching a hot object?
#20. Is hydroelectric renewable?
#21. What is the longest wavelength of electromagnetic radiation
#22. Which term do we use to describe the relationships between species that depend on each other for resources?
#23. Chlorine has two stable isotopes, ³⁵Cl (75.77%) and ³⁷Cl (24.23%). Calculate the Aᵣ of chlorine to 2 decimal places.
#24. What is the formula for the polyatomic ion nitrate?
#25. Ernest Rutherford fired positive particles at a thin gold foil and showed that most of atoms is empty space. Which particles did he fire at the gold foil?
#26. What is Newton's Second Law of Motion?
#27. Which of the following items would you need to perform crystallisation by heating? ? 6 items
Select all that apply:
#28. What is the chemical symbol for magnesium?
#29. What do we call energy that is stored in chemicals?
#30. How is kinetic energy stored?
#31. Which of the following equations is the correct way to make A the subject of the equation F = MA?
Take a look at this video on rearranging equations if you got this one wrong.
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#32. The pacemaker cells tell the heart when to beat, where are they located?
#33. What is the symbol for relative atomic mass?
#34. During electrolysis which electrode do anions and cations migrate to?
#35. Which sub-cellular structures can be found in bacteria?
Select all that apply:
#36. What do we call animals that are eaten by other animals?
#37. Is velocity a vector or a scalar?
#38. What effects does adrenaline have on the heart?
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#39. How many sulfur atoms will react with two lithium atoms to form an ionic compound?
#40. Is photosynthesis an endothermic or an exothermic reaction?
#41. A student sets up a parallel circuit with two lamps, two switches and a power source. Each lamp is on a separate route, with a switch placed before it. If one switch is turned off, will the lamp on the other route remain on?
#42. Which form of radiation is moderately ionising?
#43. What is the role of the cell membrane?
Select all that apply:
#44. Is momentum a vector or a scalar?
#45. Strong acids do what in water? ? two words
#46. Which system is responsible for ensuring the supply of oxygen and glucose to cells?
#47. What do we use to slow the rate of heat loss out of a house?
#48. Are electromagnetic waves transverse or longitudinal?
#49. Which three particles are atoms composed of?
#50. What is the equation relating wave speed (v) distance (x) and time (t)?
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#51. Which of the following is a disadvantage of nuclear fission?
#52. Are metals usually good conductors of electricity?
#53. When two magnets are placed alongside each other - what is the best way to describe the shape of the magnetic field they produce?
#54. What are the lower chambers of the heart called?
#55. What are positive ions called?
#56. Producers are organisms which do what?
#57. Does a current flow if there is no source of potential difference?
#58. Reaction profiles are used to show the energy transfers during reactions. Which type of reaction is shown in this reaction profile?
#59. What is an electrical fault?
#60. What is meant by an active process?
#61. How is renewable energy usage changing as a percentage of total energy production worldwide?
#62. Which of these is an example of transverse waves?
#63. Why is a spark often needed to start a combustion reaction?
#64. What do we call the process by which farmers change the crops they grow each year to maintain nitrogen in the soil?
#65. Complete the equation for power. Power (W) = work done (J) / ........
#66. What does abundance measure?
#67. What state of matter has particles which are far apart and move around independently?
#68. Why is magnesium a better electrical conductor than sodium?
#69. How can electrons change orbits?
#70. Alkalis produce an excess of what when they dissolve in water?
#71. Which of these is a habitat?
#72. Can compounds be pure, for example, carbon dioxide?
#73. What is the function of the cell wall?
#74. What is the role of protease?
#75. Reaction profiles are used to show the energy transfers during reactions. Which type of reaction is shown in this reaction profile?
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