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Carbohydrates

Total questions: 17

Worksheet time: 39mins

Name
Class
Date
1.

The monomer that forms all carbohydrates is a _____?

a)

monosaccharide

b)

dissaccharide

c)

polysaccharide

d)

amino acid

2.

Which of the picture displays the monomer that forms carbohydrates?

a)
b)
c)
3.

Which do all carbohydrates do for us?

a)

provide energy

b)

make muscle

c)

control genetic material

d)

insulate cells

4.

Most carbohydrate names end with which ending?

a)
ise
b)
ase
c)
ese
d)
ose
5.

Which of these are examples of carbohydrates?

a)

DNA, RNA

b)

Fats, hormones, milk, butter, oils

c)

amino acids, meats, nuts

d)

starches, glucose, glycogen, cellulose

6.

What elements make up all carbohydrates?

a)

Carbon, Sulfur, Hydrogen

b)

Carbon, Oxygen, Phosphorus

c)

Carbon, Oxygen, Nitrogen

d)

Carbon, Hydrogen, Oxygen

7.

A polymer of a carbohydrate is called a _____?

a)

monosaccharide

b)

dissaccharide

c)

polysaccharide

d)

amino acid

8.

All carbohydrates contain carbon, hydrogen, and oxygen in a ___________ratio.

a)

1:2:1

b)

1:3:1

c)

1:1:1

d)

2:1:2

9.

In plants, carbohydrates provide __________.

a)

oxygen to breathe

b)

support in cell walls

c)

carbon dioxide

d)

muscle tisse

10.

The formation of a polysaccharide from many monosaccharides is called ____________________.

a)

hydrolysis

b)

dehydration synthesis

c)

photosynthesis

d)

enzymatic reaction

11.

A student adds a few drops of iodine solution to a french fry and it turns bluish back. Which statement would be the best inference regarding this experiment?

a)

The french fry contains a carbohydrate.

b)

The french fry contains biological macromolecules.

c)

The french fry contains starch.

d)

The french fry contains glucose.

12.

A substance turns orange when tested with benedict's solution but orange brown when tested with iodine solution. What can we infer is in the substance?

a)

starch

b)

sugar

c)

flour

d)

protein

13.

This is a picture of a ___________.

a)

simple sugar

b)

monosaccharide

c)

carbohydrate

d)

monomer

14.

A few hours an animal eats some carbohydrates, many of the molecules from that carbohydrate would be found in newly formed molecules of ______.

a)

starch

b)

cellulose

c)

glucose

d)

glycogen

15.

Which of the following is a monosaccharide?

a)

b)

c)

d)

16.

Which statement below is correct?

a)

Monomers are the subunits of polymers; monomers connect to build polymers

b)

Polymers are the subunits of monomers; polymers connect to build monomers.

c)

Monomers are paired molecules; polymers are single molecules.

d)

Polymers are only two molecules; monomers are only one molecule.

17.

_________create the glucose that we consume and use for energy.

a)

Animals

b)

Muscles

c)

Plants

d)

Bacteria