Carbohydrates

Question 1

Maltose, lactose, sucrose

Answer 1

Glucose + glucose
Glucose + galactose
Glucose + fructose

Question 2

Food sources of simple carbohydrates

Answer 2

• honey (sugars&sweeteners)
• cake (processed food)
• mango (fruit)
• corn (vegetable)

Question 3

Food sources of complex carbohydrates

Answer 3

• celery (vegetable)
• oats (cereals)
• apple (fruit)
• black beans (pulses)
• pasta (processed food)

Question 4

Functions of carbohydrates

Answer 4

• source of energy
  Fuels a persons daily activities. Unused carbs resulting from excess food consumption are converted into glycogen for storage in the body
  Glucose is the primary fuel for body cells
• aids digestion
  Carbohydrates in the form of dietary fibre provides bulk to stools, improving bowel movement & preventing constipation

Question 5

Define monosaccharides & disaccharides + example

Answer 5

Monosaccharides are the Simplest unit of carbohydrates (glucose,fructose,galactose)
Disaccharides consist of 2 units of monosaccharides bonded together (lactose,maltose,sucrose)

-banana
-corn
-sweet pastries

Question 6

Define polysaccharides & example

Answer 6

Polysaccharides are large carbohydrate molecules made up of more than 10 units of monosaccharides bonded together.
Starch->potato
Cellulose->brown rice
Pectin->apple