Food And Diet

Question 1

How do animals get food?

Answer 1

They eat other animals and plants and fruit

Question 2

What is food needed for?

Answer 2

• as a source of energy

- to provide material for growth

Question 3

What are the five major nutrients?

Answer 3

• carbohydrates
• proteins
• fats
• vitamins
• minerals

Question 4

Why is water essential for living things?

Answer 4

• it is an excellent solvent

- it allows substances to be transported

Question 5

When testing for starch what colour is the original colour of the iodine stain and what colour does it turn when starch is present?

Answer 5

Brown/ yellow when starch is not present➡️blue/black when starch is present

Question 6

When testing for glucose what colour is the original Benedict’s solution and what colour does it go when glucose is present?

Answer 6

Blue when glucose is not present➡️brick red when glucose is present

Question 7

When testing for protein what colour is the copper sulfate and sodium hydroxide and water when protein is not present compared to in the milk where protein is present?

Answer 7

Blue when protein is not present➡️purple/violet when protein is present

Question 8

What does a balanced diet deepened on?

Answer 8

• your age
• your gender
• physical activity

The correct amount of carbohydrates, proteins, fats, vitamins, minerals and water

Question 9

If someone does not have a balanced diet what can the suffer from?

Answer 9

Malnutrition - anorexia/obesity

Question 10

How much fats, oils and sweets does the food pyramind say we should have a day?

Answer 10

0-3 servings

Question 11

How much milk, cheese and yogurt does the food pyramid say we should have each day?

Answer 11

2-3 servings a day

Question 12

How much meat, poultry, fish, beans, eggs and nuts does the food pyramid say we should have a day?

Answer 12

2-3 servings

Question 13

How much vegetables does the food pyramid say we should have a day?

Answer 13

3-5 servings a day

Question 14

How much fruit does the food pyramid say we should have a day?

Answer 14

3-4 servings

Question 15

How much bread, rice, pasta and cereal does the food pyramind say we should have each day?

Answer 15

6-11 servings

Question 16

What is food made up of?

Answer 16

Chemicals called nutrients

Question 17

What is the energy in food measured in?

Answer 17

Kj (kilojoules)

Question 18

What does food give out when it is burned?

Answer 18

Energy

Question 19

What is the food pyramid?

Answer 19

A guideline showing the types and portions of food needed each day

Question 20

What is the recommended daily energy requirement for boys aged 12-15?

Answer 20

11,700kj

Question 21

What is the recommended daily energy requirement for girls aged 12-15?

Answer 21

9,600kj

Question 22

What are carbohydrates used for?

Answer 22

Sugar - used to provide energy
Starch - to provide energy
cellulose(fibre) - helps prevent constipation

Question 23

Give an example of carbohydrate sources

Answer 23

Sugar = fruit, honey, milk, soft drinks 
Starch = potatoes, pasta, bread 
Cellulose = green vegetables and cereals

Question 24

What are proteins used for?

Answer 24

For growth and repair of cells, to make muscle and hair

Question 25

Give examples of proteins?

Answer 25

Lean meat, egg white, soya, nuts, fish

Question 26

What are fats used for?

Answer 26

• to provide insulation of delicate organs
• to provide a store of energy
• temperature regulations

Question 27

What are vitamins used for?

Answer 27

Vitamin C : for healthy skin and gums (scurvy)

Vitamin D: to build strong bones and teeth (rickets)

Question 28

Give examples of vitamins?

Answer 28

Vitamin C : citrus fruits

Vitamin D : cheese, milk, yogurt

Question 29

What are minerals used for?

Answer 29

Iron : needed to make red blood cells

Calcium : for healthy bones and teeth

Question 30

Give examples of minerals?

Answer 30

Iron : red meat, liver, cabbage

Calcium : milk, cheese, tinned salmon

Question 31

How do plants get food?

Answer 31

They make their own food through a process called photosynthesis. They use light energy from the sun to combine carbon dioxide and water to form sugar