Diet and nutrition

Question 1

What are the 7 components of a balanced diet:

Answer 1

Carbohydrates, protein, fat, fibre, vitamins, minerals and water

Question 2

Good food sources of carbohydrates

Answer 2

Bread, corn beans,

Question 3

Good food source of lipids

Answer 3

Butter, oil, cheese

Question 4

Good food examples of protein

Answer 4

Chicken, tofu, beef

Question 5

What is the function of carbohydrates in living things

Answer 5

It supplies energy to all cells in the body

Question 6

What is the function of protein in living things

Answer 6

Required for the structure, function and regulation of the body’s tissues and organs

Question 7

What is the function of lipids in living things

Answer 7

Lipids help with moving and storing energy, absorbing vitamins and making hormones

Question 8

Chemical tests for glucose

Answer 8

Benedict’s solution - heat + glucose + copper sulphate, blue to red

Question 9

Chemical test for protein

Answer 9

Biurets - dilute alkaline + copper sulphate, blue to purple

Question 10

Chemical tests for starch

Answer 10

Starch + iodine, orange/brown to blue/black

Question 11

Chemical test for fats (lipids)

Answer 11

Food dissolve in ethanol dribble in water, clear colourless to cloudy white

Question 12

Vitamin A example and function

Answer 12

Leefy vegetables, improves vision

Question 13

Vitamin C example and function

Answer 13

Lemon, citrus fruits, forms blood vessels

Question 14

Vitamin D example and function

Answer 14

Salmon and sardines, helps build calcium

Question 15

Calcium example and function

Answer 15

Dairy, make bones stronger

Question 16

Iron example and function

Answer 16

Spinach and nuts, keeps our blood healthy

Question 17

Fibre examples and functions

Answer 17

Grains, control of cholesterol levels, weight and blood pressure