A student compares adults in two BMI groups.
Table
| BMI group | Number of adults | Number with type 2 diabetes |
|---|---|---|
| Below 25 | 400 | 20 |
| Above 30 | 200 | 30 |
Which statement correctly compares the percentages with type 2 diabetes?
the percentage in the below-25 group is three times as large
the percentage in the above-30 group is twice as large
the percentage in the above-30 group is three times as large
the percentage in the below-25 group is twice as large
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.