Mock test. 1 hour and 10 minutes. 60 marks available.
Each time the test is taken it will present different questions.
GCSE OCR Combined Science A Papers 2 and 8
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#1. What are abiotic factors?
#2. Which type of factor is nutrient availability?
#3. What are the three domains?
#4. Is the following statement accurate? Lightning can cause atmospheric nitrogen to be released into the rain and be washed into the soil?
#5. Nitrogen is often found in a particular form in the soil what is this form?
#6. We sometimes use a transect to perform systematic sampling. This involves which of the following?
#7. Which of the following can we use to investigate the effect of abiotic factors on the distribution of organisms?
#8. The 5 kingdoms of life are Animals, Plants, Fungi, Protists and Prokaryotes. Which kingdom do algae belong to?
#9. Is the following statement accurate: nitrogen be can be moved back and forth from the atmosphere and into the soil by bacteria.
#10. What do we mean by the distribution of organisms?
#11. When fossil fuels are burned they release carbon into the atmosphere - which of the following are fossil fuels?
#12. Is this relationship parasitic or mutualistic? A crocodile which lets a small bird feed on leftover meat between its teeth
#13. Name two resources that both animals and plants need to survive and reproduce? ? structure your answer like this: ..... and .....
#14. By which process does water in the oceans and lakes move into the atmosphere?
#15. What do we call animals that only eat plants?
#16. Match the description to the correct term. All of the organisms that live in a particular pond.
#17. Match the description to the correct term. All of the individuals of a species that live in a particular woodland.
#18. True or false - plants remove carbon from the atmosphere during photosynthesis
#19. Which square instrument do we use for randomly sampling population sizes?
#20. How do most plants get their nitrogen?
#21. What is the binomial name for humans?
#22. Which of these is a population?
#23. Where are nitrogen-fixing bacteria found in plants such as peas and beans?
#24. By which process does water in the atmosphere become part of clouds?
#25. Producers are organisms which do what?
#26. What is groundwater?
#27. What is a parasite?
#28. What does abundance measure?
#29. Which type of factor is parasitism?
#30. What are biotic factors?
#31. How do we describe the periodic changes in population size of predators and prey - explained by increases in numbers of predators due to increased numbers of prey and then decreasing numbers of prey due to increasing numbers of predators and so on?
#32. Where does the water in lakes and rivers end up?
#33. Which type of factor is competition?
#34. How can we increase the accuracy of abundance estimates?
#35. If grass is eaten by a rabbit and a rabbit is eaten by a hawk. What level of consumer is the hawk?
#36. How does nitrogen in plants get into the soil?
#37. How much of the atmosphere is composed of nitrogen?
#38. Which are the two kinds of sampling we normally use?
Select all that apply:
#39. Which of the following are strategies organisms use to adapt to changing abiotic conditions?
Select all that apply:
#40. Is this relationship parasitic or mutualistic? A coral polyp (providing shelter) and single-celled algae (providing food)
#41. Which of the following is the source of oil and gas?
#42. In mutualistic feeding relationships - which organisms benefit?
#43. Who invented the binomial naming system?
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#44. Which of the following is the correct word equation for aerobic respiration?
#45. Which type of factor is predation?
#46. Which term do we use to describe the relationships between species that depend on each other for resources?
#47. Which of these is an ecosystem?
#48. Predators are essential for healthy ecosystems - what happens if predators are removed due to extinction?
#49. Which of the following is the source of coal?
#50. In some areas where there are poor soils (not enough nitrogen) carnivorous plants have adapted to get their nitrogen from which source?
#51. Why do we use systematic or random sampling of an area to determine the distribution or abundance of organisms?
#52. The water cycle has one part where water is in solid form - what is that form of storage?
#53. Which of the following organisms belong to the kingdom - animals?
Select all that apply:
#54. Which type of factor is water availability?
#55. Which of these is an example of a parasitic relationship? 1) An insect and a flower 2) A vampire bat and a cow 3) A coral polyp and single-celled algae
#56. What do we call animals that are eaten by other animals?
#57. Which of these is an example of a mutualistic relationship? 1) An insect and a flower 2) A vampire bat and a cow 3) A tick and a dog
#58. The binomial name for tigers is Felis tigris. Which part of the name represents the genus?
#59. What do we call animals that eat both other animals and plants?
#60. What natural source of nitrogen is sometimes added to fields by farmers?
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