1
1 mark
The diagram below shows part of the human digestive system.
In which structure is most of the water from food absorbed?
Was this exam question helpful?
Absorption & Assimilation (Cambridge (CIE) O Level Biology): Exam Questions
Exam code: 5090
23 mins7 questions
1
1 mark
Which of the following could be the correct effect and explanation of a disease that results in a reduced number of villi in the small intestine?
| effect | explanation |
A | weight gain | reduced absorption of digested food molecules |
B | weight gain | reduced digestion of maltose to glucose, less glucose absorbed |
C | weight loss | reduced lipid digestion and absorption |
D | weight loss | reduced absorption of digested food molecules |
Was this exam question helpful?
2
1 mark
The diagram below shows a villus.
In which vessel would the concentration of fatty acids be highest?
Was this exam question helpful?
3
1 mark
What is not an example of assimilation?
synthesis of glycogen from glucose
synthesis of fats from fatty acids and glycerol
synthesis of glucose from starch
synthesis of proteins from amino acids
Was this exam question helpful?
4
1 mark
The diagram shows parts of the human digestive system and associated organs.
Which part would contain high concentrations of glucose and amino acids, four hours after eating a meal?
Was this exam question helpful?