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Worksheetsbiomolecules
Total questions: 49
Worksheet time: 25mins
Name
Class
Date
1.
What element is found in all organic molecules?
a)
carbon
b)
oxygen
c)
nitrogen
d)
sulfur
2.
What are the four most common elements in livng things?
a)
C, O, S, N
b)
C, H , O , N
c)
C, S, P, K
d)
C, O, H, P
3.
Which is not an organic molecule
a)
lipids
b)
protiens
c)
carbohydrates
d)
water
4.
What elements make up carbohydrates?
a)
C H O
b)
C O N
c)
H O
d)
C O K
5.
Which one is an example of a carbohydrate?
a)
eggs
b)
milk
c)
fish
d)
grain
6.
What function do carbohydrates and lipids have in common?
a)
muscle
b)
antibodies
c)
energy
d)
minerals
7.
Which group contains monosaccharides, disaccharides, and polysaccharides?
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
8.
Where is energy stored in animals
a)
glycogen
b)
starch
c)
cellulose
9.
What stores energy in plants?
a)
glycogen
b)
starch
c)
cellulose
10.
What are lipids composed of?
a)
Sugar
b)
nucleotides
c)
glycerol and 3 fatty acids
11.
What are carbohydrates composed of?
a)
C6H12O6
b)
GLYCEROL AND 3 FATTY ACIDS
c)
NUCLEOTIDES
d)
Amino Acids
12.
What are lipids composed of ___?
a)
C6H12O6
b)
nucleotides
c)
glycerol and 3 fatty acids
d)
amino acids
13.
Which group of molecules is hydrophobic?
a)
carbohydrates
b)
protein
c)
lipid
d)
nucleic acid
14.
Which group of molecules is hydrophobic?
a)
Proteins
b)
Carbohydrate
c)
Nucleic Acids
d)
Lipids
15.
Which on of these is a lipid?
a)
sugar
b)
nucleotide
c)
carbon
d)
cholesterol
16.
Which type of fat is solid at room temperature?
a)
saturated
b)
unsaturated
17.
Amino acids are the building block of which biomolecule?
a)
Carbohydrates
b)
Protein
c)
Lipids
d)
Nucleic acids
18.
Proteins provide all of the following except?
a)
fat
b)
muscle
c)
hair, nails
d)
antib
19.
What is used to speed up a reaction?
a)
lipids
b)
carbohydrates
c)
phospholipids
d)
enzymes
20.
WHAT IS ONE TYPE OF NUCLEIC ACIDS?
a)
STEROIDS
b)
CHOLESTEROL
c)
DNA
d)
C6H12O6
21.
DNA PROVIDES WHAT IN THE BODY?
a)
PROTEIN
b)
GENETIC MATERIAL
c)
LIPIDS
d)
CARBOHYDRATES
22.
WHAT ARE THE BUILDING BLOCKS OF NUCLIC ACIDS?
a)
PROTEIN
b)
STEROIDS
c)
NUCLEOTIDES
d)
CARBOHYDRATES
23.
WHAT REDUCES THE ENERGY NEEDED FOR A CHEMICAL REACTION TO OCCUR?
a)
STEROIDS
b)
PROTEINS
c)
ENZYME
d)
LIPIDS
24.
What are proteins needed in the body for?
a)
muscle
b)
fat
c)
membranes
d)
insulation
25.
Label the Picture. The C arrow points to
a)
enzyme
b)
substrate
c)
active site
26.
Label the Picture. The A arrow points to
a)
enzyme
b)
substrate
c)
active site
27.
Label the Picture. The part labeled B
a)
enzyme
b)
substrate
c)
active site
28.
During a dehydration synthesis reaction ____________ is removed?
a)
carbon
b)
hydrogen
c)
water
d)
nitrogen
29.
A long strand of many sugars connected to each other is
a)
protein
b)
nucleic acid
c)
monosaccharide
d)
polysaccharide
30.
What is cellulose used for in the body?
a)
to store sugars
b)
for insulation
c)
plant structure and support
d)
as a source of protein
31.
Which type of organic molecule includes sugar?
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
32.
Which organic molecule includes triglycerides?
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
33.
Which organic molecule includes DNA and RNA?
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
34.
Which organic molecule includes amino acids?
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
35.
Which organic molecule includes sucrose?
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
36.
Where are phospholipids found in the body?
a)
energy
b)
membranes
c)
steroids
d)
enzymes
37.
Which group has steroids
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
38.
Which group has the steroid cholesterol?
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
39.
What elements make up proteins?
a)
Carbon, Hydrogen, Oxygen
b)
Carbon, Hydrogen, Oxygen, Nitrogen
c)
Carbon, Hydrogen, sulfur
d)
Carbon, oxygen,
40.
Which type of nucleic acid carries the genetic information?
a)
DNA
b)
RNA
41.
Which nucleic acid is double stranded?
a)
DNA
b)
RNA
42.
Which nucleic acid is single stranded?
a)
DNA
b)
RNA
43.
The function of proteins depends on
a)
the amino acid shape and sequence
b)
the shape of monosaccharides
c)
nucleotides shape
d)
monosaccharides and polysaccharides
44.
What reduces the energy needed for a chemical reaction?
a)
DNA
b)
RNA
c)
lipids
d)
Enzyme
45.
Activation energy is the energy that
a)
starts a chemical reaction
b)
ends a chemical reaction
c)
not needed for a chemical reaction
46.
Enzymes can work with
a)
different substrates
b)
one substrate multiple times
c)
one substrate, only once
d)
different substrates many times
47.
Meat, eggs, tuna are examples of
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
48.
Rice, pasta are examples of
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
49.
Butter and oils are examples of
a)
carbohydrates
b)
proteins
c)
lipids
d)
nucleic acids
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