The parts 1a and b were fairly attempted by the candidates. The part ‘C’ which was on the stages involved in the digestion of fats was not answered very well.
The candidates were expected to answer this question as follows:
(a) Simple Sugars Complex Sugars
Mannose Sucrose
Ribose Lactose
Glucose Xylulose
Erythrose Starchyose
Fructose Maltose
Galactose Raffinose
(b) Animal Sources of Fat Vegetable Sources of Fat
Butter Mutton Linseed oil Beniseed oil/Sesame
Cheese Cod Olive oil Margarine
Milk Halibut Cotton seed oil Sunflower oil
Lard Drippings Groundnut oil Avocado pears
Herring Tilapia Soyabeans oil Corn oil
Pork Bonga Nuts Melon seed oil
Cashewnuts
(c) Stages In The Digestion of Fats
Mouth - there is no digestion
Stomach - there is no digestion
Small instestines - Pancreatic juices contain lipase
The lipase breaks the fatty acids and glycerol then Absorption takes in small intestine.
Mouth - ½ Lipase - ½
Stomach - ½ Fatty acids - ½
Small intestine- ½ Glycerol - ½
Pancreatic juices- ½ Absorption - ½
