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3 marksNutrition and the Digestive System

CSEC Human and Social Biology · May/June 2017 · Paper 2 · Question 1(a)(i)

A student conducts tests on a food sample with the outcomes shown in Table 1.

Based on the results in Table 1, deduce which macronutrients are present and which macronutrient is absent in the food sample.

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Other parts of this question

  1. 1(a)(ii)Identify from the given options (Mango, Fried chicken, French fries, Beef patties) the food that is most likely the sample tested.[1 mark]
  2. 1(b)(i)Define what is meant by a 'balanced diet'.[2 marks]
  3. 1(b)(ii)Discuss how dietary requirements differ between: • A pregnant woman and a non-pregnant woman of the same age • A young person and an older person.[4 marks]
  4. 1(c)(i)Reza consumes 500 mg of vitamin A daily for poor vision, whereas the daily requirement is 90 mg. Explain what is most likely to happen to the excess vitamin A.[1 mark]
  5. 1(c)(ii)State a deficiency disease associated with a lack of each of the following: • Vitamin C • Iron • Vitamin D[3 marks]
  6. 1(d)State one reason why dietary fibre is essential in the human diet.[1 mark]

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