health and food technolgy

Question 1

what is the function of protein? (1 mark)

Answer 1

for the growth, repair and maintenance of body cells and tissue.

Question 2

name three sources of HBV protein. (3 marks)

Answer 2

fish, chicken, eggs

Question 3

name three sources of LBV protein. (3 marks)

Answer 3

nuts, lentils, beans

Question 4

what happens if there is too much protein in the diet? (2 marks)

Answer 4

the protein converts to fat in the body, which can lead to obesity.

Question 5

what happens if there is too little protein in the diet? ( 2 marks)

Answer 5

growth is slowed in children and cuts and wounds take longer to heal.

Question 6

what is the function of carbohydrates? (1 mark)

Answer 6

to provide the body with energy and warmth.

Question 7

name three sources of carbohydrates. (3 marks)

Answer 7

bread, pasta, rice

Question 8

what happens if there is too much carbohydrates in the diet? (1 mark)

Answer 8

stores as fat, making the person overweight.

Question 9

what happens if there is too little carbohydrates in the diet? (2 mark)

Answer 9

tiredness due to lack of energy. the body using protein for energy instead of using it for growth, repair and maintenance of body cells and tissue.

Question 10

what are the five main functions of fat? (5 marks)

Answer 10

for warmth, energy, to protect vital organs, to provide fat soluble vitamins and to provide essential fatty acids.

Question 11

what happens if there is too much saturated fat in the diet? (1 mark)

Answer 11

can raise blood cholesterol levels, increasing the risk of heart disease.

Question 12

what happens if there is too much fat in the diet? (1 mark)

Answer 12

can lead to obesity, HBP and coronary heart disease.

Question 13

what is the functions of vitamin A? (3 marks)

Answer 13

helps prevent night blindness, for the normal growth in children, protects body tissues such as the nose, throat, mouth and eyes.

Question 14

name 3 sources of vitamin A. (3 marks)

Answer 14

meat, green leafy vegetables, orange and red fruit and vegetables.

Question 15

what happens if there is too little vitamin A in the diet? (1 mark)

Answer 15

growth slowed in children.

Question 16

what is the functions of vitamin C? (2 marks)

Answer 16

helps cuts and wounds heal quicker, helps us to absorb the iron in food.

Question 17

name three sources of vitamin C. (1mark)

Answer 17

fruit and vegetables

Question 18

what happens if there is too little vitamin C in the diet? (2 marks)

Answer 18

cuts and wounds take longer to heal, lack of ability to absorb iron may lead to anaemia.

Question 19

what is the functions of vitamin E? (1 mark)

Answer 19

to help prevent certain cancers and heart disease, for healthy skin.