Question

A. Why do we need food ? (4 points)
B. What are the major components of food ?

Answer 1

Answer:

1)to get vitamins

2)to get energy

3)to live strong

4)to fight from bacteria mad virus

Answer 2

Answer:

we need food for following aspects:

1. to get energy

2. to increase our strength

3. to survive

4. to work properly

B. carbohydrates, we get 4 Kcal per gram of energy from carbohydrates

proteins, we get 4 Kcal per gram of energy from proteins. proteins of the animals origin are called the first class proteins

lipids, we get 9 Kcal per gram of energy from lipids.

Fats, source of fats are chapati, oily substances