Diet and Food test (Mini)

Question 2

How is food used in the body?

Answer 2

The energy is released from the food in our body cells by a process called respiration.

Question 3

What is the energy released by food used for? (4)

Answer 3

1. Growth and repair
2. Heat
3. Movement
4. Protection against disease

Question 4

What are the seven food groups?

Answer 4

Carbohydrates, fats, proteins, fibre, water, minerals and vitamins

Question 5

What is the main function of carbohydrates?

Answer 5

• Used as main source of energy.

Question 6

What is the main function of fats?

Answer 6

• Used for food storage and insulation.
• It will be used for energy when the body uses up its carbohydrate stores

Question 7

What is the main function of protein?

Answer 7

• Used for growth and repair of cells tissues and organs

Question 8

What is the main function of fibre?

Answer 8

• This keeps the contents of the gut moving (prevents constipation).
• It also reduces the chances of bowel cancer.

Question 9

What is the main function of water?

Answer 9

• It allows chemical reactions to occur, keeps you cool and transports wastes etc.

Question 10

What is the main function of minerals?

Answer 10

• Help body to function properly. 16 different minerals are known to be needed in our diets.

Question 11

What is the main function of vitamins?

Answer 11

• Help body to function properly and help keep the body healthy.

Question 12

What are the two types of carbohydrates?

Answer 12

Sugar and starch

Question 13

What foods can carbohydrates be found in?

Answer 13

Sugars are found in; fruit and sweets
Starch is found in; bread, rice, pasta

Question 14

What foods can fats be found in?

Answer 14

dairy produce and red meat

Question 15

What foods can protein be found in?

Answer 15

fish, chicken, beans and nuts

Question 16

What foods can fibre be found in?

Answer 16

wholegrain products, brown rice, fruit and vegetables.

Question 17

What foods can water be found in?

Answer 17

drinks, fruit and vegetables

Question 18

What foods can minerals be found in?

Answer 18

mineral calcium is found in dairy produce and iron in found in red meat.

Question 19

What foods can vitamins be found in?

Answer 19

fruit and vegetables

Question 20

Balanced diet definition

Answer 20

a diet that contains all the 7 food groups in the correct quantities.

Question 21

Malnutrition definition

Answer 21

A diet that contains enough food, but doesn’t contain the 7 food groups in the correct quantities

Question 22

Starvation definition

Answer 22

When a person doesn’t have enough food to provide their body with its needs.

Question 23

What is the chemical test for starch?

Answer 23

Iodine

Question 24

What is the chemical test for protein?

Answer 24

Biuret reagent

Question 25

What is the chemical test for fats?

Answer 25

Ethanol and water

Question 26

What is the chemical test for sugar?

Answer 26

Benedicts reagent

Question 27

What is a positive colour change for starch test (iodine)?

Answer 27

Orange/brown → blue/black

Question 28

What is the chemical test for vitamin c?

Answer 28

DC PIP

Question 29

What is a positive colour change for sugar test (benedicts)?

Answer 29

Blue → green → orange → brick red

Question 30

What is a positive colour change for fats test?

Answer 30

Colourless → white emulsion

Question 31

What is a positive colour change for protein test (biuret)?

Answer 31

Blue → purple

Question 32

What is a positive colour change for Vitamic test (DC PIP)?

Answer 32

Blue → colourless

Question 33

What is the method for Vitamin c test?

Answer 33

Add drops OF food sample TO DCPIP solution.