Quelpr
2 marksNutrition and the Digestive System

CSEC Human and Social Biology · May/June 2011 · Paper 2 · Question 2(b)(i)

A diagram shows part of the human alimentary tract.

State ONE function of each organ labelled A and B in Figure 3.

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 2(a)(i)List TWO vitamins (excluding vitamin A) and ONE mineral that might be lacking in her diet.[3 marks]
  2. 2(a)(ii)Name one water-soluble vitamin.[1 mark]
  3. 2(a)(iii)Name ONE nutrient other than a vitamin or mineral whose deficiency could cause her weakness and fatigue.[1 mark]
  4. 2(a)(iv)Identify the end-product of digestion for the nutrient named in (a)(iii).[1 mark]
  5. 2(b)(ii)Describe how proteins are digested in the stomach and in the small intestine.[5 marks]
  6. 2(b)(iii)Suggest TWO ways amino acids benefit the body.[2 marks]

More practice: the rest of this paper · more Nutrition and the Digestive System questions · all CSEC Human and Social Biology past papers