food substances review

Which of the following food substances provide us with energy?

• calcium

• carbohydrates

• iron

• vitamin C

What is the key function of proteins?

• as main energy source

• as shock absorber

• as raw materials for growth and repair of body tissues

• as energy reserves

_____ _____ are the building block of proteins.

A lipid molecule is made up of one ________ molecule and three fatty acid molecules.

Which of the following food substances act as insulators of heat?

• lipids

• carbohydrates

• proteins

• minerals

The deficiency disease caused by not enough intake of proteins is called ___________.

Which of the following minerals can keep our teeth strong?

• iron

• iodine

• vitamin A

• calcium

if we are lack of calcium, _______ may occur.

Goitre is the deficiency disease if we are lack of ______.

• Iodine

• Vitamin A

• Iron

• Vitamin C

Vitamin A is _______ soluble.

• Water

• Lipid