wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Chemical Compounds/Nucleic Acids/Carbs

Total questions: 75

Worksheet time: 1hrs 24mins

Name
Class
Date
1.
DNA and RNA are examples of...
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
2.
What is the function of nucleic acids?
a)
Stores energy
b)
Stores genetic information
c)
Movement
d)
Physical structure
3.
What is the monomer of nucleic acids?
a)
Glycerol
b)
Monosaccharides
c)
Amino Acids
d)
Nucleotides
4.
What are the components of a nucleotide?
a)
nitrogen base, phosphate group, and pentose sugar
b)
pentose sugar, purine, and pyrimidine
c)
nitrogen base and a phosphate group
d)
DNA, phosphate group, monosaccharide
5.
RNA contains the sugar...
a)
Deoxyribose
b)
Glucose
c)
Ribose
d)
Lipids
6.
All organic compounds contain the element
a)
carbon
b)
nitrogen
c)
phosphorus
d)
sulfur
7.
Which macromolecule is shown?
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
8.
When coiled together, DNA looks like a:
a)
Single Helix
b)
Double Helix
c)
Triple Helix
d)
Broken Ladder
9.

Which of the following is NOT part of a nucleotide?

a)

Nitrogenous Base

b)

Phosphate Group

c)

Pentose Sugar

d)

Fatty Acid

10.

What sugar is found in DNA?

a)

Glucose

b)

Ribose

c)

Deoxyribose

d)

Fructose

11.

What are 2 types of nucleic acids?

a)

Fatty Acids and Glycerol

b)

DNA and RNA

c)

Amino Acids and Enzymes

d)

Monosaccharides and Polysaccharides

12.

Which base is ONLY found in DNA?

a)

Cytosine

b)

Guanine

c)

Thymine

d)

Adenine

13.

Which base is only found in RNA?

a)

Uracil

b)

Thymine

c)

Adenine

d)

Guanine

14.

The image shown is of

a)

DNA

b)

RNA

c)

Fatty Acids

d)

ATP

15.

The image shown is of

a)

DNA

b)

RNA

c)

Fatty Acids

d)

ATP

16.

Which is a double stranded molecule?

a)

DNA

b)

RNA

c)

Both

17.

Which is a single stranded molecule?

a)

DNA

b)

RNA

c)

Both

18.

Which contains adenine?

a)

DNA

b)

RNA

c)

Both

19.

Which contains thymine?

a)

DNA

b)

RNA

c)

Both

20.

Which contains cytosine?

a)

DNA

b)

RNA

c)

Both

21.

Which contains guanine?

a)

DNA

b)

RNA

c)

Both

22.

Which contains uracil?

a)

DNA

b)

RNA

c)

Both

23.

The image below shows a DNA double helix. Which of the base pairs are wrongly represented?

a)

2 & 5

b)

3 & 4

c)

1 & 4

d)

1 & 6

24.

Which contains deoxyribose sugar?

a)

DNA

b)

RNA

c)

Both

25.

Which contains ribose sugar?

a)

DNA

b)

RNA

c)

Both

26.

Energy-rich organic compounds made of carbon, hydrogen, and oxygen that is found in cell wall/membrane.

a)

Carbohydrate

b)

Protein

c)

Lipid

d)

Nucleic Acid

27.

Very long organic molecules that consist of carbon, oxygen, hydrogen, nitrogen, and phosphorus that would be found in nucleus with DNA.

a)

Nucleic Acid

b)

Carbohydrate

c)

Protein

d)

Lipid

28.

Any substance that cannot be broken down is a(n)

a)

atom

b)

element

c)

compound

d)

carbohydrate

29.

______ form when two or more elements combine chemically

a)

compounds

b)

elements

c)

atoms

d)

periodic tables

30.

C, H, O, N, and P

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

31.

C, H, O, and N

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

32.

Stores genetic information

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

33.
Which of the following elements is required in an organic compound?
a)
nitrogen
b)
oxygen
c)
carbon
d)
sodium
34.
All of the following elements are common to organic compounds EXCEPT
a)
iodine
b)
hydrogen
c)
phosphorous
d)
oxygen
35.
Which of the following formulas is inorganic?
a)
CHO
b)
CH
c)
SiO
d)
CHCOOH
36.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
37.
What best describes this image shown?
a)
Inorganic molecule
b)
Organic molecule
38.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
39.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
40.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
41.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
42.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
43.

H2O

a)

water

b)

carbon dioxide

c)

sucrose

d)

oxygen

44.

O2

a)

oxygen

b)

table salt

c)

household bleach

d)

hydrochloric acid

45.

NaCl

a)

table salt

b)

household bleach

c)

hydrochloric acid

d)

ammonia

46.
What is the tiniest particle in the entire universe?
a)
cells
b)
gases
c)
atoms
d)
liquids
47.
What is the term for combining 2 or more atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
48.

Which subatomic particle has a negative charge?

a)

proton

b)

neutron

c)

electron

d)

cybertron

49.

Which subatomic particle as no charge, also known as a neutral charge?

a)

proton

b)

neutron

c)

electron

d)

chakra

50.

Which subatomic particle has a positive charge?

a)

proton

b)

neutron

c)

electron

d)

midichlorian

51.
What atoms make up all carbohydrates?
a)
Carbon, Sulfur, Hydrogen
b)
Carbon, Oxygen, Phosphorus
c)
Carbon, Oxygen, Nitrogen
d)
Carbon, Oxygen, Hydrogen
52.
How many sugar units make up monosaccharides?
a)
one
b)
two
c)
three
d)
zero
53.
How many sugar units make up disaccharides?
a)
one
b)
two
c)
three
d)
zero
54.
How many sugar units make up polysaccharides?
a)
one
b)
two
c)
more than two
d)
zero
55.
Which do all carbohydrates do for us?
a)
provide energy
b)
make muscle
c)
make brains
d)
make hair
56.
All carbohydrate names end with which ending:
a)
ise
b)
ase
c)
ese
d)
ose
57.
Which of these are examples of carbohydrates?
a)
DNA, RNA
b)
Fats, hormones
c)
amino acids
d)
starches, glucose, chitin
58.
The simple sugar from fruit is called_____.
a)
sucrose
b)
lactose
c)
fructose
d)
maltose
59.
The simple sugar in milk is ________.
a)
lactose
b)
maltose
c)
sucrose
d)
fructose
60.
The type of polysaccharide which serves as a strengthening tissue in the cell wall of plants is 
a)
cellulose
b)
glucose
c)
lactose
d)
fructose
61.

Dextrose or Blood Sugar

a)

Glucose

b)

Galactose

c)

Fructose

d)

Sucrose

62.

Part of Lactose

a)

Glucose

b)

Galactose

c)

Fructose

d)

Sucrose

63.

Corn Sugar

a)

Glucose

b)

Galactose

c)

Fructose

d)

Sucrose

64.

Sweetest Sugar

a)

Glucose

b)

Galactose

c)

Fructose

d)

Sucrose

65.

Formed when glucose and fructose combine

a)

Maltose

b)

Lactose

c)

Starch

d)

Sucrose

66.

Formed when glucose and galactose combine

a)

Maltose

b)

Lactose

c)

Starch

d)

Sucrose

67.

Formed when glucose and another glucose combine

a)

Maltose

b)

Lactose

c)

Starch

d)

Sucrose

68.

Storage carbohydrate of plants

a)

Starch

b)

Cellulose

c)

Chitin

d)

Glycogen

69.

Make up the plant cell wall

a)

Starch

b)

Cellulose

c)

Chitin

d)

Glycogen

70.

Source of roughage (fibers) for humans

a)

Starch

b)

Cellulose

c)

Chitin

d)

Glycogen

71.

Found in the outer coverings of insects and crustaceans

a)

Starch

b)

Cellulose

c)

Chitin

d)

Glycogen

72.

Storage carbohydrates of animals

a)

Starch

b)

Cellulose

c)

Chitin

d)

Glycogen

73.

An organic compound that serves as the chief energy sources in all organisms

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

74.

Saccharides

a)

Carbohydrates

b)

Proteins

c)

Lipids

d)

Nucleic Acids

75.

Glucose

a)

C6H12O6

b)

C12H12O12

c)

C6H6O6

d)

C12H6O12