(a) State two functions of fat in the diet. [2] (b) Explain the difference between saturated fat and unsaturated fat. Give one food source of each type. [4]
Question 1 Report
(a) State two functions of fat in the diet. [2]
(b) Explain the difference between saturated fat and unsaturated fat. Give one food source of each type. [4]
Answer Details
(a) State two functions of fat in the diet. [2]
One mark each (max 2):
- Provides a concentrated source of energy (1)
- Provides insulation to keep the body warm (1)
- Protects vital organs such as the kidneys (1)
- Provides fat-soluble vitamins A, D, E and K (1)
- Adds flavour and texture to food (1)
(b) Explain the difference between saturated and unsaturated fat. Give one food source of each. [4]
One mark for each valid point (max 4):
- Saturated fats are usually solid at room temperature (1)
- Unsaturated fats are usually liquid at room temperature (1)
- Source of saturated fat: butter, lard, cheese, fatty meat (1)
- Source of unsaturated fat: olive oil, sunflower oil, oily fish, nuts (1)
- Eating too much saturated fat can raise blood cholesterol and increase the risk of heart disease (1)
Download The App On Google Playstore
Everything you need to excel in your exams
Personalized AI Learning Chat Assistant
200,000+ Exam Questions Across IGCSE, JAMB, WAEC & NECO
Over 3,900 Lesson Notes
Offline Support - Learn Anytime, Anywhere
Green Bridge Timetable
Literature Summaries & Potential Questions
Track Your Performance & Progress
In-depth Explanations for Comprehensive Learning