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4 marksNutrition and the Digestive System

CSEC Human and Social Biology · January 2013 · Paper 2 · Question 2(b)(iv)

Observations at a Caribbean school regarding children's BMI and instances of night blindness, alongside the menu provided.

Recommend how the portions of starches, proteins, and vegetables can be adjusted to reverse the observed trend (overweight children with night blindness), giving a reason for EACH adjustment.

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Other parts of this question

  1. 2(a)Name the type of tooth labelled W and state its function.[2 marks]
  2. 2(b)(i)From the foods mentioned in the scenario, name ONE source and ONE function of Vitamin A.[2 marks]
  3. 2(b)(ii)Give the definition of 'Body Mass Index'.[2 marks]
  4. 2(b)(iii)a)Andy is 1.0 m tall and weighs 45 kg. Calculate his BMI using the formula BMI = Weight (kg) / [Height (m)]^2.[2 marks]
  5. 2(b)(iii)b)Based on your calculation in (iii) a), state whether Andy is overweight.[1 mark]
  6. 2(b)(v)Suggest TWO factors, other than poor diet, that could contribute to children having a BMI above the normal range.[2 marks]

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