1. What is nutrition?
3. Give any four sources of starch.
4. Name the two types of fats by giving one example of each.
5. Name the mineral element
may lead to goitre.
6. Name the protein digestive enzyme.
7. Name the vitamin:
(a) that is needed for blood clotting.
(b) that prevents scurvy.
2. Name the different essential classes of food.
Answers
Answer:
1. the act or process of nourishing or being nourished specifically : the sum of the processes by which an animal or plant takes in and utilizes food substances foods that are necessary for human nutrition.
3. Foods that are high in starch include bread, grains, cereals, pasta, rice, potatoes, peas, corn and beans – in other words, grains, legumes and some vegetables.
4.Saturated fat. Saturated fat is solid at room temperature, which is why it is also known as "solid fat." It is mostly in animal foods, such as milk, cheese, and meat. ...
Trans fat. This is a fat that has been changed by a process called hydrogenation. ...
Unsaturated fat. Unsaturated fat is liquid at room temperature. ...
Total fat.
5 . Iodine deficiency is a lack of the trace element iodine, an essential nutrient in the diet. It may result in metabolic problems such as goiter, sometimes as an endemic goiter as well as cretinism due to untreated congenital hypothyroidism, which results in developmental delays and other health problems.
6 The role of enzymes
There are two enzymes in your saliva called amylase and lipase. They mostly break down carbohydrates and fats. Once a protein source reaches your stomach, hydrochloric acid and enzymes called proteases break it down into smaller chains of amino acids.
7 a Vitamin K plays a key role in helping the blood clot, preventing excessive bleeding. Unlike many other vitamins, vitamin K is not typically used as a dietary supplement. Vitamin K is actually a group of compounds.
b Scurvy can be prevented by a diet that includes vitamin C-rich foods such as amla, bell peppers (sweet peppers), blackcurrants, broccoli, chili peppers, guava, kiwifruit, and parsley. Other sources rich in vitamin C are fruits such as lemons, limes, oranges, papaya, and strawberries.
Other names: Moeller's disease, Cheadle's dis...
Treatment: Vitamin C supplements, Citrus fruits
Causes: Lack of vitamin C
Symptoms: Weakness, feeling tired, changes to ...
2 There are six major nutrients: Carbohydrates (CHO), Lipids (fats), Proteins, Vitamins, Minerals, Water.
Explanation: