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Chapter 3 - Food

Total questions: 25

Worksheet time: 11mins

Name
Class
Date
1.

The food component present in sugar is...

a)

protein

b)

carbohydrate

c)

fat

d)

vitamin

2.

The component of food which helps our body to fight against infections is ..

a)

proteins

b)

fat

c)

carbohydrates

d)

starch

3.

........... is essential for forming haemoglobin in the blood.

a)

Calcium

b)

Iron

c)

Phosphorus

d)

Magnesium

4.

Excessive body weight due over-nutrition leads to ................

a)

rickets

b)

scurvy

c)

beri-beri

d)

obesity

5.

Iodine is to test the presence of ............ in the food.

a)

carbohydrates

b)

starch

c)

fat

d)

proteins

6.

............... is used for repair damaged tissue in the body as well as to replace dead cells.

a)

Glucose

b)

Amino acid

c)

Fatty acid and glycerol

7.
Elements essential for good health. e.g. Calcium, Iron, Potassium 
a)
Protein
b)
Fat
c)
Minerals
d)
Carbohydrates
8.
The body uses this to dissolve and transport materials.
a)
Fats
b)
Water
c)
Minerals
d)
Vitamins
9.
Organic compounds that help our body to work properly. e.g. A, C, B, K, D
a)
Carbohydrates
b)
Metabolism
c)
Vitamins
d)
Digestion
10.
Which one of the following is a good protein source? 
a)
Banana
b)
Beans 
c)
Bagels
d)
Breakfast Bar 
11.
Proteins are found in...
a)
dried beans, peas, and nuts
b)
milk and eggs
c)
meat, fish, and poultry
d)
All choices are correct
12.
When you don't drink enough water you can become:
a)
silly
b)
hyper
c)
intoxicated 
d)
dehydrated 
13.
99% is found in bones and teeth
a)
Vitamin D
b)
protein
c)
calcium
d)
Vitamin C
14.
The human body could last longer without water then food
a)
true
b)
false
15.
What percentage of your daily value of sodium does this product provide?
a)
12%
b)
3%   
c)
11%
d)
15%
16.

Which of the following tests for starch?

a)

Iodine

b)

Benedict's

c)

Biuret

d)

Emulsion

17.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

18.

Which of the following tests for glucose?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

19.

When starch is present iodine turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

20.

When protein is present Biuret turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

21.
When large amounts of glucose is present Benedicts turns...
a)
purple
b)
blue-black
c)
brick-red
d)
green
22.

A negative test for starch will cause Iodine to stay...

a)

orange/red

b)

blue

c)

black

d)

brick red

23.

A negative test for protein will cause Biuret to stay...

a)

brick red

b)

blue

c)

black

d)

orange

24.

A negative test for glucose will cause Benedicts to stay...

a)

brick red

b)

blue

c)

black

d)

orange

25.

Which chemicals did you mix to test for proteins - biuret test?

a)

Ethanol and water

b)

Iodine and potassium permanganate

c)

Benedicts Solution

d)

Sodium Hydroxide and Copper Sulphate

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