Biology-nutrients

Question 1

What is a dependent variable

Answer 1

Variable being measured

Question 2

What is an independent variable

Answer 2

Variable being changed

Question 3

What is the controlled variable

Answer 3

Variable kept same so result of experiment is not affected

Question 4

What is respiration

Answer 4

Process that forms food into energy

Question 5

What is glucose

Answer 5

Type of sugar - key player in aerobic respiration

Question 6

What happens in aerobic respiration

Answer 6

Glucose reacts with oxygen to give you carbon dioxide water and energy!!!

Question 7

What is the aerobic respiration equation

Answer 7

Glucose + oxygen –> Carbon dioxide + water + energy!!!!!!

Question 8

What do energy requirements depend on

Answer 8

Age
Job
Activity level
Size
Muscle proportion
Environment

Question 9

What is a balanced diet

Answer 9

Diet that provides all of the required nutrients in the correct amount for an individual

Question 10

What does carbs give the body

Answer 10

Source of energy, used in respiration

Question 11

Good carb food sources

Answer 11

Bread
Pasta
Rice
Cereal
Potatoes

Question 12

What is the function of fats in the body

Answer 12

Store of energy ( used in respiration)
Electrical insulation (nerves)
Thermal insulation
Protects organs
Part of cell membranes

Question 13

Good food sources fats

Answer 13

Dairy
Meat
Oil
Avocado
Cake
Chocolate

Question 14

Function of protein in body

Answer 14

Muscles
Transport in body (oxygen in red blood cells)
Immune system (antibodies)
Helps builds structure in cells

Question 15

Protein food sources

Answer 15

Meat
Fish
Dairy
Meat alternatives

Question 16

Function of fibre in the body

Answer 16

Prevents constipation
Helps move food through digestive system

Question 17

Good fibre sources

Answer 17

Vegetables
Wholemeal bread, pasta, rice

Question 18

Function of water in the body

Answer 18

Major part of cells and blood
Transports substances
Allows chemical reactions to happen
Helps keep your body temperature at 37C
Helps lubricate joints

Question 19

Water sources

Answer 19

Drinks
Fruit
Vegetables

Question 20

Function of vitamin a

Answer 20

Helps make structures in the eye (retina) to detect light

Question 21

What happens if you do not have enough vit a

Answer 21

Night blindness

Question 22

Vit a sources

Answer 22

Carrots
Liver

Question 23

Function of vit c

Answer 23

Helps form collagen ( collagen is a part of skin and holds structures together in the body)

Question 24

Lack of vit c =

Answer 24

Scurvy

Question 25

Vit c sources

Answer 25

Fruit ( esp citrus ( oranges, lime, lemon))

Question 26

Function of vit d

Answer 26

Helps your body consume calcium (bones strong)

Question 27

Lack of vit d

Answer 27

Ricketts (type of disease that makes bones bendy)

Question 28

Vit d sources

Answer 28

Sunlight Eat fish

Question 29

Function of calcium

Answer 29

Helps form strong bones

Question 30

Lack of calcium

Answer 30

Brittle (weak) bones

Question 31

Good sources of calcium

Answer 31

Dairy (Milk, cheese, yoghurt) Fish

Question 32

Function of iron

Answer 32

Part of haemoglobin which transports oxygen in the blood

Question 33

Lack of iron

Answer 33

Anaemia (Makes you pale and you don't have many red blood cells in your body)

Question 34

Good iron sources

Answer 34

Dark green vegetables (Spinach) Red meat

Question 35

What happens if you don't consume the right amount of nutrients

Answer 35

Changes in body mass Heart disease Muscle loss Bone and joint problems Constipation Diabetes