A2 OCR BiologyUNIT 1 – Module 2Excretion – Revision Quiz

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1. Define the term Excretion (2)

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2. What are the main two substances to be excreted by humans (2)

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3. Define the term deamination (1)

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4. What can excess carbon dioxide in the blood cause (1)

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5. Write the chemical equation for the formation of urea from ammonia (4)

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6. What is the scientific name for liver cells? (1)

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7. Name the two blood supplies to the liver (2)

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8. What is the function of Kupffer cells (1)

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9. What is the name of the enzyme used to initially break down alcohol in the liver? (1)

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10.What happens to the acetyl coenzyme A after it has been produced from the breakdown of Ethanol in the liver? (1)

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11.Name the four parts of the Nephron that occur after the capsule (4)

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12.How much percentage of the total filtrate gets reabsorbed in the PCT? (1)

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13.Name two things that are not filtered out in the glomerulus (2)

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14.What are the specialised epithelial cells in the Bowman’s capsule called? (1)

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15.Name two specialisations of the cells that line the PCT that help with reabsorption (2)

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16.What word is used to describe the control of water potential in the blood? (1)

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17.Which limb of the loop of henle is impermeable to water? (1)

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18.By what process does water move out of the descending limb? (1)

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19.What part of the brain monitors water potential of the blood? (1)

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20.What type of cell manufactures and releases ADH? (1)

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21.Where is ADH stored? (1)

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22.How does ADH affect the collecting duct (2)

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23.Name the two types of dialysis (2)

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24.In a pregnancy test, which hormone will give a positive result? (1)

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25.Give two common causes of kidney failure (2)

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26.Label the diagram of the kidney (6)

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27.Label the diagram of the liver (5)

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END OF TEST