Free Absorption questions for IGCSE Biology (0610), part of Human nutrition. Each question has the answer and the marking points an examiner would look for.
The small intestine is adapted for absorption. 1 Villi increase the surface area. 2 The walls of the villi are many cells thick for strength. 3 Each villus contains blood capillaries and a lacteal. Which statements are correct?
A 1, 2 and 3
B 1 and 3 only
C 1 only
D 3 only
Show answer
Answer: B
Question 2Multiple choice · 1 mark
Which statement describes absorption?
A The movement of nutrients from the intestines into the blood
B The ability to detect and respond to changes in the internal or external environment
C A genetic change
D Finger-like projections in the small intestine that increase the surface area for absorption
Show answer
Answer: A
Question 3Multiple choice · 1 markA* challenge
The small intestine is adapted for absorption. 1 Microvilli further increase the surface area. 2 Each villus contains blood capillaries and a lacteal. 3 Fatty acids and glycerol are absorbed mainly into the blood capillaries. Which statements are correct?
A 1, 2 and 3
B 1 and 2 only
C 1 only
D 2 only
Show answer
Answer: B
Question 4Structured · 3 marksA* challenge
Coeliac disease damages the villi of the small intestine.
(a)
Suggest why people with coeliac disease may lose weight.
[2]
(b)
Name the process by which glucose moves into the blood when its concentration is lower in the gut.
[1]
Show answers and mark scheme
Part
Answer and marking points
Marks
(a)
smaller surface area, less absorption
the villi are damaged/flattened B1 so the surface area is reduced and less food is absorbed B1
2
(b)
active transport
active transport B1
1
Question 5Structured · 4 marks
The small intestine is adapted for absorption.
(a)
Describe two features of villi that increase the rate of absorption.
[2]
(b)
Name the vessel in a villus that absorbs fatty acids and glycerol.
[1]
(c)
State where most water is absorbed.
[1]
Show answers and mark scheme
Part
Answer and marking points
Marks
(a)
large surface area; thin walls; capillaries; lacteal
Any 2 of: any two: large surface area (microvilli); thin walls (one cell thick); good blood supply (capillaries); lacteal B2
2
(b)
lacteal
lacteal B1
1
(c)
small intestine
small intestine (some in the colon) B1
1
Question 6Structured · 3 marksA* challenge
Glucose is absorbed into the blood in the small intestine.
(a)
Name the blood vessel that carries absorbed food to the liver.
[1]
(b)
Explain how a good blood supply helps absorption.
[2]
Show answers and mark scheme
Part
Answer and marking points
Marks
(a)
hepatic portal vein
hepatic portal vein B1
1
(b)
maintains concentration gradient
blood carries absorbed molecules away B1 maintaining a steep concentration gradient for diffusion B1
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Original Cambridge-style practice questions written for mentorriyaz.in. These are not Cambridge past paper questions, and this site is not affiliated with or endorsed by Cambridge University Press & Assessment. Updated 2026-11-04. Paper generator · mentorriyaz.in