Food Flashcards

(42 cards)

0
Q

Sources of sugar

A

Jam
Sweets
Soft drinks

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1
Q

What are the 3 classifications of carbohydrates

A

Sugar
Starch
Fibre

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2
Q

Sources of starch

A

Bread
Potatoes
Pasta

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3
Q

Sources of fibre

A

Bran
Veg
Fruit

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4
Q

Function of sugar

A

Provides energy

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5
Q

Function of starch

A

Provides energy

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6
Q

Function of fibre

A

Prevents constipation

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7
Q

Classification of fat

A

Saturated fat

Unsaturated fat

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8
Q

Sources of fat

A

Butter
Fatty meat
Cheese

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9
Q

Function of fat

A

Provides energy and heat

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10
Q

sources of protein

A

Fish
Eggs
Nuts
Lean meat

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11
Q

Function of protein

A

Growth and repair of cells

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12
Q

Classification of vitamins

A

Vitamin c

Vitamin d ………..

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13
Q

Sources of vitamin c

A

Oranges

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14
Q

Sources of vitamin d

A

Milk
Cheese
Sunlight

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15
Q

Function of vitamin c

A

Healthy gums and skin

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16
Q

Function of vitamin d

A

Healthy bones

17
Q

Classification of minerals

18
Q

Sources of calcium

19
Q

Sources of iron

20
Q

Function of calcium

21
Q

Function of iron

A

To make red blood cells

22
Q

What do you do to test for starch in a food

A

1 get a food to test and place it on a tile

  1. Use a dropper to add a drop of iodine
  2. take down colour change
23
Q

If the food time contains starch what colour will the iodine become

A

From orange/brown to blue/blackw

24
What colour will the iodine go if there isn't starch
Stays orange/brown
25
How do you test for reducing sugar (glucose)
1. Put a dissolved food sample and Benedict's solution into a test tube 2. Put that test tube into a large beaker of water 3. Turn on the Bunsen burner 4 put the beaker on top of the tripod 5. Identify colour change
26
What colour will the food sample tuen if glucose is heated
Blue to brick red
27
What colour will the food sample be it glucose isn't present
Stays blue
28
How do you test for fats
``` 1put a sample of food onto brown Paper 2 fold over paper /. Rub together 4. Open agin 5. Check if stain in translucent ```
29
Waht will the stain be if fat is present
Translucent
30
What will the stain be if fat isn't present
Nothing w
31
How do you test for protein
1. a food sample unto a test tube 2. Put a drop of copper sulphate and sodium hydroxide into the test tube 3 Wait for the result 4 Take disown results
32
What colour will it the food sample change if protein is present
Blue to violet
33
What colour will the food sample change if protein isn't present
Stays the same
34
What is a balanced diet
It provides the right amount of the right nutrients to stay healthy
35
What does a food pyramid show
Show jow much of each nutrient is needed for a heathy diet
36
How much of the cereals and potatoes groups should we have a day
6 portions
37
How many portions of fruit and veg group a day
5 portions
38
How mauch portions of the dairy group. A day
3 portion a
39
How many portions of the protein group a dat
2 portions
40
How many portions of the fatty food s group a dat
Rarely
41
How do you find out how much enegy is in foods
1. Put a test tube with water on a resort stand (connected to the clamp for diagram) 2. Place a thermometer in the test tube 3. set fire to the food sample 4. The temperature of the water should rise