wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Biology - Chapter 3 - Food

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

One sugar unit is called a?

a)

cellulose

b)

disaccharide

c)

polysaccharide

d)

monosaccharide

2.

An example of a disaccharide is?

a)

fructose

b)

maltose

c)

glucose

d)

cellulose

3.

The structure of a phospholipid contains two fatty acids connected to a glycerol and which other molecule?

a)

phosphate

b)

carbon

c)

magnesium

d)

iron

4.

How many amino acids are found in proteins?

a)

50

b)

10

c)

20

d)

35

5.

Which protein is found in hair and nails?

a)

glycogen

b)

cellulose

c)

myosin

d)

keratin

6.

A deficiency disease of vitamin c is?

a)

asthma

b)

rickets

c)

scurvy

d)

diabetes

7.

Which of the following vitamins is fat soluble?

a)

D

b)

C

c)

B

8.

Which mineral in humans is responsible for forming haemoglobin?

a)

calcium

b)

nitrogen

c)

magnesium

d)

iron

9.

The chemical used to test for reducing sugar is called?

a)

Biruet reagent

b)

Benedict's solution

c)

iodine

d)

methylene blue

10.

What type of sugar changes to a black colour when mixed with iodine?

a)

glucoe

b)

starch

c)

maltose

d)

lactose

11.

An example of an anabolic reaction is?

a)

photosyntesis

b)

respiration

12.

The definition of a metabolism is?

a)

making of glucose

b)

release of energy

c)

sum of all chemical reactions in an organism

d)

dividing of cells