(a) What is the concept presented by Pinggan Sihat Malaysia? Explain the concept.
(b) What is the importance of the concept stated in question 1(a)
Answer:
(a)
The concept of Pinggan Sihat Malaysia means a quarter of the plate is filled with carbohydrate sources, another quarter of the plate is filled with protein sources and half the plate is filled with fruits and vegetables.
(b)
The concept of Pinggan Sihat Malaysia helps in the consumption of balanced nutrition to prevent obesity which can cause various noninfectious diseases such as diabetes.
(a) What is meant by the calorific value of a food?
(b) Name the device used to measure the calorific value of food.
(c) Write the formula for calculating the calorific value of a food sample using the device in question 2(b).
Answer:
(a)
The calorific value (or energy value) of a food is the amount of energy released from the complete oxidation or burning of 1 g of the food.
(b)
Bomb calorimeter
(c) 
(a) State one effect of insufficient total calorie intake.
(b) State one effect of excessive total calorie intake.
Answer:
(a) Reduction in body weight
(b) Excessive body weight or obesity
Explain how the total calorie intake of an individual is influenced by the following:
(a) 24-hour restaurants
(b) fast food restaurants
Answer:
(a) Inappropriate mealtimes
(b) Food servings that do not follow balanced nutrition and calorific requirements.