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Home Economics

Food & Nutrition

Key Points

  • Carbohydrates: 4 kcal/g; Proteins: 4 kcal/g; Fats: 9 kcal/g
  • Fat-soluble vitamins: A, D, E, K; Water-soluble: B, C
  • Vitamin C deficiency: scurvy; Vitamin D: rickets; Iron: anaemia
  • Kwashiorkor: protein deficiency; Marasmus: total calorie deficiency
  • Cooking destroys pathogens but may reduce vitamins C and B

Practice Questions

3 questions
1

Which vitamin deficiency causes scurvy?

2

Which nutrient provides the most energy per gram?

3

Which of the following is a fat-soluble vitamin?