The question was one of the candidates’ strenght. They attempted the question correctly. The candidates were able to give food sources, uses/functions of protein and calcium in the diet.
The answers to the question are as follows:
(a) (i) Food sources of protein: meat, poultry, beef, mutton, pork, fish, eggs, milk, cheese, beans, groundnuts, melon seeds, bread, fruits, whole grains, flying ants, caterpillars yoghurt.
(ii) Uses of protein in the diet of a pregnant woman.
- Promotion of growth of the foetus;
- Repair worn out tissues of the pregnant woman;
- Serve as source of energy when excess of protein is consumed;
- Build enzymes to catalyse chemical reactions in her body;
- Building hormones that assit in the regulation of her body processes;
- Build antibodies that fight against infections and diseases;
- Responsible for the transmission of hereditary characteristics for parent to the foetus;
- Form major structural components of the cells.
(b) (i) Food sources of Calcium
- Milk and milk products – yoghurts, cheese
- Green scafty vegetables;
- Sea foods – crabs, sardines, snails, periwinkles, crayfish, oysters, fish
- Soft/biscuit bones
- Dried pulses
- Fruits – coconuts, cherries, peach, banana, pineapple, raisins, grape fruit, lime, lemon, oranges.
(ii) Functions of calcuim
- Development of strong bones and healthy teeth;
- Controls cell activities;
- Essential for blood clotting;
- Effective functioning of nerves/ ensure nerve transmission;
- Rhythmic heart beat
- Aids normal functioning of muscles.
