GCSE Biology - Control of blood glucose and diabetes

Which organ monitors and controls blood glucose levels?

• Kidney

• Liver

• Pancreas

• Stomach

Which hormone is released by the pancreas when blood glucose levels are too high?

• Glucagon

• Adrenaline

• Thyroxine

• Insulin

What is the main effect of insulin on body cells?

• Increases blood glucose levels

• Causes glucose to be converted into glycogen

• Stimulates the breakdown of glycogen

• Promotes the release of glucose from the liver

What is glycogen?

• A type of fat

• A protein

• A stored form of glucose

• A digestive enzyme

If blood glucose levels drop too low, which hormone is released?

• Insulin

• Glucagon

• Oestrogen

• Glycogen

What does glucagon do to blood glucose levels?

• Lowers them

• Increases them

• Has no effect

• Converts glucose into fats

Where is glycogen mainly stored in the body? Choose two

• Pancreas

• Stomach

• Liver

• Muscles

Which of the following best describes a negative feedback mechanism?

• It amplifies changes in the body

• It maintains conditions within a narrow range

• It stops all hormone release

• It promotes continuous increase in a process

What is a common symptom of both type 1 and type 2 diabetes?

• Low blood glucose levels

• Weight gain

• High blood glucose levels

• Decreased thirst

Which type of diabetes is characterised by the pancreas not producing insulin?

• Type 1 diabetes

• Type 2 diabetes