Skip to content

Course home

Question bank·3.3 Maintaining internal environments
Sign up

3.3 Maintaining internal environments

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738
Question 17
H

The body keeps the blood glucose concentration within narrow limits.

a.

Explain why it is important to keep the blood glucose concentration constant.

[2]
b.

Scientists have developed a drug that stops glucagon from binding to liver cells.

A person takes the drug and then does not eat for 12 hours.

Suggest and explain the effect of the drug on the person's blood glucose concentration.

[3]
c.

Suggest why this drug is being tested as a treatment for type 2 diabetes.

[2]
Markscheme

3.3 Maintaining internal environments Questions

  1. GCSE
  2. /Biology
  3. /3.3 Maintaining internal environments

72 exam-style questions on OCR GCSE Biology 3.3 Maintaining internal environments, covering 3.3.1 Importance of a constant internal environment, 3.3.2 The skin and body temperature, 3.3.3 Insulin and blood sugar, 3.3.4 Glucagon and blood sugar, 3.3.5 Type 1 and type 2 diabetes, 3.3.6 Osmotic changes in body fluids, 3.3.7 Kidneys and water balance, 3.3.8 Structure of the kidney and tubule, 3.3.9 ADH and kidney tubule permeability, and 3.3.10 Responses to temperature and osmotic challenges. Each one has a worked solution and a mark scheme showing where the marks go.

More questions