Food

Question 1

What is our food made of

Answer 1

1,Carbohydrates 
2,Fats
3,Protein
4,Vitamins
5,Minerals
6,Water

Question 2

Carbohydrate

Answer 2

Starches and sugars,or roughage

Question 3

Starches and sugars

Answer 3

These provide us with energy

Question 4

Fibre (roughage):

Answer 4

Passes through the digestive system to make sure it is in good working order and avoid constipation

Question 5

Starch

Answer 5

In potatoes,bread,pasta,rice

Question 6

Sugar

Answer 6

In sugar,jam,honey,fruit

Question 7

Fibre

Answer 7

In bran and vegetables

Question 8

We use iodine to test for

Answer 8

Starch

Question 9

Iodine turns blue black

Answer 9

In the presence of starch

Question 10

We need fats in our diet because

Answer 10

They store energy in the body

The layer of fat just under the skin gives our body insulation

Question 11

Sources of fat

Answer 11

Milk, fatty meat,dairy,products e.g. Cheese

Question 12

We test for fat using:

Answer 12

Brown paper

Question 13

Why we need proteins in our food

Answer 13

1they are the main source of material that our cells need to grow
2proteins are needed for growth repair

Question 14

Sources of protein

Answer 14

Milk,lean meat,fish,eggs,nuts

Question 15

We test for protein using

Answer 15

The biuret test (using copper sulphate and sodium hydroxide

Question 16

Using the biuret test. The chemicals turn from

Answer 16

Blue to violet in the presence of protein

Question 17

Glucose

Answer 17

Reducing sugar

Question 18

Glucose is tested for by adding

Answer 18

Benedictus solution and heating.it turns from blue to brick red

Question 19

Why do I need food

Answer 19

To give us energy
To protect against disease
To keep us warm
For growth
For repair of body cells