Absorption & Assimilation (Cambridge O Level Biology)

Exam Questions

23 mins7 questions
1
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1 mark

The diagram below shows part of the human digestive system. 

In which structure is most of the water from food absorbed?

picture1

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    1
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    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

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      2
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      1 mark

      The diagram below shows a villus.

      7-q10-villus

      In which vessel would the concentration of fatty acids be highest?

       

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        31 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 

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        41 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?q4-8-3-absorption-assimilation-medium-mcq-cie-o-level-biology

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