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7.4 Blood glucose and the urinary system

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Question 21
F

A person's kidneys form 160 dm3 of filtrate in one day. The person produces 2 dm3 of urine that day.

What percentage of the filtered water is reabsorbed? Assume the volume change is due to water reabsorption.

[1]
A

97.50%

B

98.75%

C

1.25%

D

80.00%

Markscheme

7.4 Blood glucose and the urinary system Questions

  1. GCSE
  2. /Biology
  3. /7.4 Blood glucose and the urinary system

45 exam-style questions on Edexcel GCSE Biology 7.4 Blood glucose and the urinary system, covering 7.4.1 Insulin and blood glucose control, 7.4.2 Glucagon and blood glucose regulation, 7.4.3 Type 1 and type 2 diabetes, 7.4.4 Structure of the urinary system, 7.4.5 Structure and function of the nephron, 7.4.6 ADH and water regulation, 7.4.7 Treatments for kidney failure, and 7.4.8 Production of urea in the liver. Each one has a worked solution and a mark scheme showing where the marks go.

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