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Maintaining Water And Nitrogen Balance In The Body (biology Only) (GCSE Biology)

The following is a GCSE Biology test covering 'Maintaining Water And Nitrogen Balance In The Body (biology Only)' from the broader topic Homeostasis And Response. The test is geared towards the AQA exam board style syllabus.
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How does the liver contribute to nitrogen balance after excess dietary protein is eaten?
Which structure in the kidney is the basic functional unit that filters blood to form urine?
A person drinks a large volume of plain water. Which immediate change is expected in blood osmolarity and ADH secretion?
Which of these is a reason kidney transplant is usually preferred over long-term dialysis?
Which nitrogen-containing waste is produced by many aquatic animals and is highly toxic, so must be diluted or rapidly excreted?
Which hormone increases the permeability of the collecting duct walls to water, reducing urine volume?
Which process in soils converts ammonium ions (NH4+) into nitrate ions (NO3-) that plants can absorb?
Why does drinking salt water tend to make a person more dehydrated?
In dialysis treatment for kidney failure, which process removes excess urea and salts from the patient’s blood?
Denitrification is carried out by bacteria under which soil condition and what is produced?
In the context of osmoregulation, what does “hypotonic” mean for the fluid surrounding a cell?