Carbohydrates

Question 1

Classification of carbohydrates?

Answer 1

Sugar, starch and dietary fibre

Question 2

Sugar sources?

Answer 2

Honey, jam, cake, biscuits, fruit, milk, ice cream

Question 3

Starch sources?

Answer 3

Cereals, potatoes, root vegetables

Question 4

Fibre sources?

Answer 4

Vegetables, fruit (skins), brown rice, brown bread, brown pasta

Question 5

What is the RDA of fibre?

Answer 5

RDA = 25-30g per day

Question 6

Functions of carbohydrates?

Answer 6

• Sugars and starchy foods provide heat and energy.
• Fibre helps with the movement of food in the body
• Fibre gives a feeling of fullness

Question 7

Dietary fibres, or cellulose facts

Answer 7

It is not digested by the body

It is important as it aids digestion by helping to push food through the intestines

It stimulates peristalsis, the contraction and relaxation of the intestine muscles

It prevents constipation and disease

Absorbs water, giving the feeling of fullness

Question 8

Composition of carbohydrates?

Answer 8

Carbon, hydrogen and nitrogen (C.H.O)

Carbohydrates are made up of simple sugars (e.g. glucose) which join together to form starch.