Food & Digestion

Question 1

List the 7 food groups

Answer 1

Water
Carbohydrates
Fibre
Protein
Fat
Vitamins
Minerals

Question 2

Example of carbohydrates

Answer 2

Fruits
Rice
Bread (complex)
Lollies (simple)

Question 3

Example of fibre

Answer 3

Vegetables
Grain
Beans
Legumes
Fruits

Question 4

Example of protein

Answer 4

Legumes
Nut & seeds
Whole grains
Poultry
Seafood
Eggs
Dairy
Red meat

Question 5

Example of fat (and oils)

Answer 5

Beef, pork, cream & butter (saturated)
Fish, avocado & nuts (unsaturated)

Question 6

Example of vitamins

Answer 6

Vitamin A - eggs, fish, butter
Vitamin C - fruits, potatoes
Vitamin B3 - meat, poultry, whole grains
Vitamin B9 - asparagus, legumes

Question 7

Example of minerals

Answer 7

Dairy products eg milk
Meat
Fish
Poultry
Eggs
Green vegetables
Legumes

Question 8

Function of water

Answer 8

Needed for cell function
Makes up over 60% of our body

Question 9

Function of carbohydrates

Answer 9

Provide energy

Question 10

Function of fibre

Answer 10

Important for digestive health
Helps with regular bowel movements

Question 11

Function of protein

Answer 11

Used for growth & repair of the body

Question 12

Function of fat (and oils)

Answer 12

Used for energy storage, insulation and building new cells

Question 13

Function of vitamins

Answer 13

Aiding the immune system
Preventing harmful chemical reactions by acting as antioxidant

Question 14

Function of minerals

Answer 14

Keep bones, muscles, heart and brain working properly

Question 15

What is the building blocks of fats?

Answer 15

3 fatty acids
1 glycerol

Question 16

What is the building blocks of protein?

Answer 16

Amino acids

Question 17

What is the building blocks of carbohydrates?

Answer 17

Glucose

Question 18

What is used for test for starch?

Answer 18

Iodine solution

Question 19

What colour does the solution turn if the test for starch is positive?

Answer 19

Change to blue/black

Question 20

What is used to test for sugar?

Answer 20

Benedict’s solution and heat

Question 21

What colour does the solution turn to when the test for sugar is positive?

Answer 21

Change to orange

Question 22

What is used to test for protein?

Answer 22

Biuret’s reagent

Question 23

What colour does the solution turn to when the test for protein is positive?

Answer 23

Blue to purple

Question 24

What is used to test for fats?

Answer 24

Ethanol

Question 25

How is ethanol used to test for fats?

Answer 25

Ethanol is added to the food sample in a test tube
The test tube is emptied into a beaker half filled with water

Question 26

What colour does the water turn when the test for ethanol is positive?

Answer 26

Milky white

Question 27

What is the collection method scaffold?

Answer 27

Add… 3/4 times
Measure…
Repeat for…

Question 28

What does RDI mean?

Answer 28

Recommended daily intake

Question 29

What does nutritional labels allow people to do?

Answer 29

To make informed decisions about food

Question 30

List the things that must be included on nutritional labels.

Answer 30

Name of the food
Name & business address of the manufacturer
The country of origin of the food
Ingredients
Warnings about allergens
Use by date or best before date
Energy
Vitamins + minerals
Fat
@Sodium

Question 31

Define digestion

Answer 31

The breakdown of large molecules (from food) into nutrients by chemical and physical processes.

Question 32

What is the difference between physical and chemical digestion?

Answer 32

Physical digestion is the process of breaking up food and mixing it with digestive juices WHEREAS chemical digestion is the process of breaking down food using enzymes.