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GCSE Biology Quiz
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#1. Decomposers break down dead animal and plant material - what happens to the carbon inside the dead organisms?
#2. The water cycle has one part where water is in solid form - what is that form of storage?
#3. What is an active site?
#4. How does nitrogen in plants get into the soil?
#5. Through which process do chemicals move across synapses?
#6. What are two systems which allow your body to respond to its surroundings?
Select all that apply:
#7. What is the name of the protein which moves particles across cell membranes during active transport?
#8. 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.
#9. Resting metabolic rate is measured under which of the following conditions?
Select all that apply:
#10. What does potable water mean?
#11. What is the function of the cell wall?
#12. What is the role of catalase?
#13. When fossil fuels are burned they release carbon into the atmosphere - which of the following are fossil fuels?
#14. Cardiac output is measured as the volume of blood pushed through the aorta each minute. Which is the correct equation for cardiac output?
#15. What is the gap between neurones called?
#16. What do we call animals that eat both other animals and plants?
#17. Through which process would air in a space station move if someone opened a door to space?
#18. Why is the binomial naming system useful for scientists?
#19. Surfaces where diffusion takes place allowing substances to enter the body usually have which characteristics?
Select all that apply:
#20. Through which process would air freshener sprayed in one corner of a room disperse?
#21. True or false - carbon dioxide is removed from the atmosphere as it dissolves in the oceans?
#22. True or false - A concentration gradient is the difference in concentration from high to low?
#23. Glucose enters the body via the?
#24. What do we mean by the distribution of organisms?
#25. How are cells that line the small intestine specialised?
#26. Why does the rate of an enzyme controlled reaction increase with greater substrate concentration?
#27. Bacterial cells commonly have a flagellum. What is the role of this structure?
#28. What is the role of the central nervous system (CNS)?
#29. The drug called Digitalis slows the heart rate. Where does the drug come from?
#30. What are substrates?
#31. Who invented the binomial naming system?
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#32. How do substances typically move into and out of the body, for example, oxygen in the lungs? ? 1 word answer
#33. Which of these is an ecosystem?
#34. Motor neurones carry impulses to which part of the nervous system?
#35. What is the role of the inferior vena cava?
#36. What is the heart rate measured in?
#37. What is the resolution of electron microscopes limited by?
#38. 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?
#39. What is stroke volume measured in?
#40. Which of these processes allows saltwater to become potable?
#41. In which sub-cellular structure inside plant cells does photosynthesis occur?
#42. What do we call animals that only eat plants?
#43. Which of the following are waste products produced by the body?
Select all that apply:
#44. Why do plants need nitrogen?
#45. Which process in the body produces carbon dioxide?
#46. What do we call the process by which farmers change the crops they grow each year to maintain nitrogen in the soil?
#47. Why does the rate of an enzyme controlled reaction go down as temperature increases past the optimum level?

#48. What is the part of the heart that the arrows are pointing to?
#49. What is enzyme activity?
#50. Is active transport an active or a passive process?
This GCSE Biology Quiz is a sample of all of our GCSE Biology Quizzes, it will present 50 random questions from a pool of over 250!
This quiz should give you a sense of how you’re doing in biology, but if you want an even clearer picture you should consider doing our Digital Mock Exam Papers which are specific to your course, containing only questions that meet the specification of your exam board.
The questions on this quiz are a combination of what may appear on all three main exam boards (AQA, Edexcel and OCR) but since there is a very high overlap between the courses, this quiz can be a great tool for revision when you’re not sure what you’re lacking.
Our suggestion is to take the quiz and then note down the topics where you made mistakes. Then you can use the list of topics to practice on more specific biology quizzes. We hope this GCSE Biology Quiz has been helpful and if you want to find out more about what Discover Tutoring can do for you, consider reaching out or taking a look at our Biology page.

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