Blood Glucose Control (Cambridge O Level Biology)

Topic Questions

1 mark

Which of the following statements about glucagon are false?

Glucagon reverses the effect of the hormone glycogen
Glucagon is produced in the pancreas
Glucagon is secreted when blood glucose levels fall
Glucagon stimulates liver and muscle cells to convert glucose into stored glycogen
Glucagon is a polysaccharide
Glucagon is usually secreted soon after ingestion of carbohydrate-rich food

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1 mark

Which row of the following table correctly describes what happens in the body after a person consumes a can of sugary drink?

	role of the pancreas	role of the liver	effect
A	releases glucagon	converts glycogen into glucose	blood sugar levels rise
B	releases insulin	converts excess glucose into glycogen	blood sugar level falls
C	releases glucagon	converts excess glucose into glycogen	blood sugar level falls
D	releases insulin	converts glycogen into glucose	blood sugar levels rise

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	cause	treatment
A	inability of the pancreas to produce insulin	insulin injection
B	inability of the pancreas to produce insulin	controlling diet and regular exercise
C	inability of the liver to produce glucagon	glucagon injection
D	inability of the liver to produce insulin	insulin injection

	effect of glucagon	effect of insulin
A	Glucose is converted into glycogen in the liver	Glycogen in the liver is converted into glucose.
B	Glycogen in the liver is converted into glucose.	Glucose is converted into glycogen in the liver.
C	Glycogen in the liver is converted into glucose.	Glucose is converted into glycogen in the pancreas.
D	Glycogen in the pancreas is converted into glucose.	Glucose is converted into glycogen in the pancreas.

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