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2 marksNutrition and the Digestive System

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

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

Suggest TWO factors, other than poor diet, that could contribute to children having a BMI above the normal range.

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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)(iv)Recommend how the portions of starches, proteins, and vegetables can be adjusted to reverse the observed trend (overweight children with night blindness),…[4 marks]

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