GCSE OCR Biology B Paper 2

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OCR Biology B Paper 2

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OCR Biology B Paper 2

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#1. The Nervous System is made up of two parts, the Central Nervous System (CNS) and what other part?

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#2. How does nitrogen in plants get into the soil?

#3. What is potable water?

#4. What is the function of platelets?

#5. What is the cell wall made from in plants?

#6. What do we call animals that eat both other animals and plants?

#7. What is meant by an active process?

#8. Is respiration an exothermic or an endothermic reaction?

#9. What is stroke volume measured in?

#10. True or false – A passive process is automatic and does not require energy?

#11. Which of the following are 3 of the adaptations of leaves for efficient photosynthesis?

Select all that apply:

#12. In which sub-cellular structure inside plant cells does photosynthesis occur?

#13. Name one hormone that is produced in the pancreas?

#14. What is the resolution of light microscopes limited by?

#15. Match the description to the correct term. All of the organisms that live in a particular pond.

#16. Which sub-cellular structures can be found in plants?

Select all that apply:

#17. What is the role of lipase?

#18. Which of the following organisms belong to the kingdom – animals?

Select all that apply:

#19. What are the lower chambers of the heart called?

#20. What are the monomers of carbohydrates?

#21. 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:

#22. Growth hormone stimulates cells in muscles and bones to divide. It also stimulates another system, which system is this?

#23. Arteries carry blood around the body, do they carry blood away from or towards the heart?

Remember – Arteries Away

#24. Specialised cells have different compositions of sub cellular structures in order to perform their role. Why would specialised cells have lots of mitochondria?

#25. By which process does water in the atmosphere become part of clouds?

#26. The male gametes (sperm cells) are adapted to their function. Which of the following are adaptations of sperm cells?

Select all that apply:

#27. Cardiac output is measured as the volume of blood pushed through the aorta each minute. Which is the correct equation for cardiac output?

#28. Which type of factor is soil composition?

#29. What are enzymes?

#30. What is the heart rate measured in?

#31. Bacterial cells commonly have a flagellum. What is the role of this structure?

#32. In diffusion – are particles travelling with or against the concentration gradient?

The Heart GCSE

#33. Where does blood from the aorta travel to?

#34. Motor neurones carry impulses to which part of the nervous system?

#35. The respiratory system relies on diffusion of oxygen and carbon dioxide. Which of the following statements are correct?

Select all that apply:

#36. What are the upper chambers of the heart called?

#37. Which of the following are strategies organisms use to adapt to changing abiotic conditions?

Select all that apply:

#38. Which type of factor is disease?

#39. Which parts of the heart and blood vessels stop blood from flowing in the wrong direction?

#40. If grass is eaten by a rabbit and a rabbit is eaten by a hawk. What level of consumer is the hawk?

#41. Why is there a size limit to cells?

#42. Anaerobic respiration does not involve oxygen. Select the correct word equation for anaerobic respiration.

#43. Which of the following sub-cellular structures provides structure and support for the cell?

Select all that apply:

#44. What is the purpose of respiration?

#45. What is the role of receptors?

#46. By which process does water in the clouds move onto land?

#47. Through which process would air freshener sprayed in one corner of a room disperse?

#48. What is the name of the chemicals that we use to transmit messages through the blood to organs?

#49. Palisade cells are found just below the epidermis of leaves. What is their role and how are they adapted to perform it?

#50. What is the function of plasma?

#51. Which description most accurately describes osmosis?

#52. What do we call animals that only eat plants?

#53. What groups of organisms belong to the domain – eukaryotes? ? Eukaryotes have a membrane bound nucleus

Select all that apply:

#54. Complete the equation used to calculate population size: population size = ………….. x total size of it habitat / total area of quadrats

#55. What is the role of the inferior vena cava?

#56. Which of the following is the source of oil and gas?

#57. The binomial name for tigers is Felis tigris. Which part of the name represents the genus?

#58. Which of the following describes metabolic rate?

#59. Which of the following is part of the central nervous system (CNS)?

#60. Is osmosis an active or a passive process?

#61. How do substances typically move into and out of the body, for example, oxygen in the lungs? ? 1 word answer

#62. Which of the following features are found in arteries?

#63. What is the field of view of a microscope?

#64. How many chromosomes does a single sperm cell have?

#65. Why does the rate of an enzyme controlled reaction increase with greater substrate concentration?

#66. Which type of white blood cell engulfs (surrounds) foreign cells in order to digest them?

#67. Which of the following features are found in veins?

#68. Which of the following is the equation for total magnification?

#69. 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.

#70. Which of the following is the correct word equation for aerobic respiration?

#71. Is the following statement accurate: nitrogen be can be moved back and forth from the atmosphere and into the soil by bacteria.

#72. Match the description to the correct term. All of the individuals of a species that live in a particular woodland.

#73. What is the role of the cell membrane?

Select all that apply:

#74. What is the role of protease?

#75. What is an active site?

#76. The female gametes (egg cells) are adapted to their function. Which of the following are adaptations of egg cells?

Select all that apply:

#77. Which type of factor is competition?

#78. What natural source of nitrogen is sometimes added to fields by farmers?

#79. How are cells that line the small intestine specialised?

#80. What are the monomers of proteins?

#81. Is active transport an active or a passive process?

#82. What is the Lock and Key Model of enzyme action?

#83. What are two systems which allow your body to respond to its surroundings?

Select all that apply:

#84. Which of these is an effector?

#85. What does abundance measure?

#86. True or false – A concentration gradient is a term used to explain how the moon moves in the night sky?

#87. What is the gap between neurones called?

#88. Where are nitrogen-fixing bacteria found in plants such as peas and beans?

#89. Which type of factor is predation?

#90. Which organisms maintain the nitrogen levels in the soil?

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