Mock test. 1 hour and 45 minutes. 100 marks available.
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GCSE AQA Combined Science Synergy Paper 1
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#1. True or false - electromagnetic waves travel at different speeds in different materials?
#2. What is the charge of a neutron?
#3. Why do plants need nitrogen?
#4. Predators are essential for healthy ecosystems - what happens if predators are removed due to extinction?
#5. What is the name of the phase change from liquid to gas?
#6. Arteries carry blood around the body, do they carry blood away from or towards the heart?
Remember – Arteries Away
#7. How can we increase the accuracy of abundance estimates?
#8. A paper chromatography experiment is carried out in a lab. The distance moved by the spot was 6cm and the solvent had moved by 8cm. Calculate the Rf value.
#9. Fill in the gap to complete the word equation for aerobic respiration. glucose + oxygen → ..... + water
#10. What is the role of amylase?
#11. Which human activities cause increases in the greenhouse gases - carbon dioxide and methane?
Select all that apply:
#12. Which of the following is part of the central nervous system (CNS)?
#13. Anaerobic respiration does not involve oxygen. Select the correct word equation for anaerobic respiration.
#14. The water cycle has one part where water is in solid form - what is that form of storage?
#15. Why did the concentration of carbon dioxide in the atmosphere decrease after the oceans formed?
#16. Why do plants need oxygen?
#17. Which of the following are 3 of the adaptations of leaves for efficient photosynthesis?
Select all that apply:
Remember to carefully read the question, if you selected Root hair cells, you were mistaken because the question asked about leaves, not roots.
#18. What do we call animals that are eaten by other animals?
#19. Which term do we use to describe the relationships between species that depend on each other for resources?
#20. Is osmosis an active or a passive process?
#21. Which of the following are the 4 factors that affect the rate of photosynthesis?
Select all that apply:
#22. Which description best describes a compound?
#23. Which geological process formed Earth's atmosphere?
#24. Why is the rate of an enzyme controlled reaction highest at an optimum pH?
#25. What is the name of the process by which salt is removed from water?
#26. Which steps can we take to reduce the impact of climate change on humanity or prevent further climate change?
Select all that apply:
#27. Increases in thyroxine concentration in the blood cause a decrease in the amount of thyroxine released. What kind of feedback mechanism is this?
#28. How did the oceans form?
#29. What is the Induced Fit Model of enzyme action?
#30. What is the function of red blood cells (Erythrocytes)?
#31. Which of the following are 3 of the adaptations of leaves for efficient photosynthesis?
Select all that apply:
#32. When is adrenaline released?
#33. The distance travelled by a spot is determined by the solubility of the compound. How does solubility impact distance travelled?
#34. Which organisms maintain the nitrogen levels in the soil?
#35. Oxygen enters the body via the?
#36. What are the lower chambers of the heart called?
#37. What is the role of ribosomes?
#38. What do we mean by the distribution of organisms?
#39. Cells are adapted to perform a specific function. Why do cells in the pancreas have lots of ribosomes?
#40. Which of the following is the correct equation for work done?
#41. Why is the rate of an enzyme controlled reaction lower at lower temperatures?
#42. What is the function of the cell wall?
#43. What is the current composition of the Earth's atmosphere?
#44. 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.
#45. What are the monomers of carbohydrates?
#46. What is the name of the phase change from solid to liquid?
#47. Complete the equation used to calculate population size: population size = .............. x total size of it habitat / total area of quadrats
#48. What is the function of platelets?
#49. Which structures in the lungs increase the surface area and therefore the speed and amount of gas exchanged?
#50. What travels along neurones to pass information through the nervous system?
#51. What is the role of the nucleus?
#52. Which of the following are uses for paper chromatography?
Select all that apply:
#53. Waves that pass a boundary between two materials change speed and also change direction. What is this change of direction called?
#54. By which process does water in the oceans and lakes move into the atmosphere?
#55. What is the evidence supporting the idea that there was very little oxygen in the atmosphere in Earth's early atmosphere?
Select all that apply:
#56. 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?
#57. True or false - volcanism removes carbon from the atmosphere
#58. Why is catalysis by enzymes important for life processes?
#59. Where does blood from the aorta travel to?
#60. Which system is responsible for ensuring the supply of oxygen and glucose to cells?
#61. What are the three domains?
#62. Through which process would air in a space station move if someone opened a door to space?
#63. What is potable water?
#64. What is the role of the cell membrane?
Select all that apply:
#65. What type of substance is carbon dioxide (CO₂ )?
#66. What is the role of glycogen synthase?
#67. Can compounds be pure, for example, carbon dioxide?
#68. 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?
#69. Which of these substances is sometimes added to water to make it potable?
#70. What are cells that line structures in the body and have cilia?
#71. What state of matter has particles which are far apart and move around independently?
#72. Which part of the heart separates the two sides?
#73. Resting metabolic rate is measured under which of the following conditions?
Select all that apply:
#74. Name one hormone that is released from the ovaries?
#75. What are the upper chambers of the heart called?
#76. Which of the following can we use to investigate the effect of abiotic factors on the distribution of organisms?
#77. True or false - You cannot use physical processes to separate mixtures into different substances.
#78. Bacterial cells commonly have a flagellum. What is the role of this structure?
#79. Which of the following sub-cellular structures provides structure and support for the cell?
Select all that apply:
#80. What is the role of effectors?
#81. Which of the following is the equation for total magnification?
#82. In what part of the cells does aerobic respiration take place?
#83. Which sub-cellular structures can be found in animals?
Select all that apply:
#84. True or false - carbon dioxide is removed from the atmosphere as it dissolves in the oceans?
#85. What is the relative mass of an electron?
#86. Which of these is an effector?
#87. Where is most of the mass of an atom?
#88. In osmosis - are particles travelling with or against the concentration gradient?
#89. Which of the following organisms belong to the kingdom - animals?
Select all that apply:
#90. What the the most dense state of matter?
#91. Why do we use distilled water for chemical analysis?
#92. What is the relative mass of a proton?
#93. Decomposers break down dead animal and plant material - what happens to the carbon inside the dead organisms?
#94. Wave speed is linked to wave frequency and wavelength by which equation?
#95. Why does the rate of an enzyme controlled reaction go down as temperature increases past the optimum level?
#96. Which hormone is associated with the "fight or flight" response?
#97. Through which process do nutrients enter root hair cells from the soil?
#98. The table shows 3 substances and their melting points. What common substance, in particular, could substance Z be?
#99. Do ultraviolet rays have longer wavelengths than infrared waves?
#100. 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:
finish