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Quiz 1: Chemistry of Life

Total questions: 60

Worksheet time: 36mins

Name
Class
Date
1.
What 3 subatomic particles make up atoms?
a)
Isotopes, protons, covalent bonds
b)
quarks, quirks, compounds
c)
protons, neutrons, isotopes
d)
protons, neutrons, electrons
2.
The isotopes of an element all have the same number of:
a)
electrons
b)
neutrons
c)
protons
3.
A chemical ________ is a pure substance made entirely of 1 type of atom.
a)
element
b)
compound
c)
mixture
d)
blend
4.
The nucleus of an atom usually contains:
a)
protons and neutrons
b)
electrons
c)
electrons and protons
d)
isotopes
5.
The main types of chemical bonds are:
a)
ionic and subliminal
b)
covalent and hydrogenated
c)
ionic and covalent
d)
ionic and flourite
6.
The electrons involved in chemical bonds are called ___________ electrons.
a)
valence
b)
ionic
c)
Van Der Waals
d)
covalent
7.
Zane is making a chart of compounds that are found in the human body. What is the most common compound found in the human body?
a)
H2O   
b)
CO2
c)
Sodium Bicarbonate (baking soda)
d)
NaCl (table Salt)
8.
Kayla has a cat with blue eyes. The color of her cat’s eyes is determined by deoxyribonucleic acid (DNA). The DNA directs which substance to construct these eyes?
a)
lipids
b)
water
c)
proteins
d)
carbohydrates
9.
When people eat foods high in proteins, such as meat, eggs and cheese, the body breaks down the proteins into smaller molecules. What is supplied to cells when the body breaks down proteins?
a)
amino acids
b)
nucleic acids
c)
phospholipids
d)
carbohydrates
10.
What are the four main types of molecules found in the cells of living things?
a)
carbohydrates, lipids, nucleic acids, and proteins
b)
lipids, nutrients, nucleic acids, and carbon dioxide
c)
carbon dioxide, hydrogen, oxygen, and various salts
d)
atoms, molecules, chemical compounds, and carbohydrates
11.
What type of molecule provides immediate energy in cells?  
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
12.
Animal cells have four main molecules that keep the body healthy. What type of molecule in animal cells provides a “map” for making proteins?
a)
lipids 
b)
proteins
c)
nucleic acids
d)
carbohydrates
13.
The cells in living things contain four main molecules that allow the cells to function. Which of these molecules cannot mix with water?
a)
lipids
b)
proteins
c)
nucleic acids
d)
carbohydrates
14.
Which of these statements best describes a molecule?
a)
All molecules must contain carbon and oxygen.
b)
All molecules must have two different elements.
c)
All molecules are made up of two or more atoms
d)
All molecules must have at least three different atoms.
15.
The smallest basic unit of matter is the
a)
molecule.
b)
atom.
c)
compound.
d)
cell.
16.
Atoms in molecules share pairs of electrons when they make
a)
covalent bonds.
b)
ionic bonds.
c)
hydrogen bonds.
d)
polymers.
17.
Proteins are polymers formed from
a)
lipids
b)
carbohydrates
c)
amino acids
d)
nucleic acids
18.
Proteins are polymers formed from
a)
lipids
b)
carbohydrates
c)
amino acids
d)
nucleic acids
19.
Which is considered neutral?
a)
pH of 4
b)
pH of 9
c)
pH of 14
d)
pH of 7
20.
Household bleach has a pH of 12. Determine if it's an acid, base, or neutral.
a)
acid
b)
base
c)
neutral 
21.
The four main types of carbon-based molecules in organisms are carbohydrates, lipids, nucleic acids, and
a)
starches.
b)
fatty acids.
c)
monosaccharides.
d)
proteins.
22.
These particles orbit around the nucleus of an atom.  What are they called?
a)
electrons
b)
protons
c)
neutrons
d)
photons
23.
The atomic number determines_____________________.
a)
its symbol
b)
the number of protons and neutrons
c)
what the element is
d)
the number of protons in the atom
24.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom
25.

Which statement best describes the relationship between atoms & molecules.

a)

molecules are made of atoms that are chemically bonded together.

b)

atoms are made of molecules that are chemically bonded together.

c)

molecules are made of a mixture of atoms and compounds.

d)

atoms are made of protons, neutrons & electrons.

26.
An atom that has gained or lost electrons is called ...
a)
a winner
b)
an isotope
c)
an ion
d)
a loser
27.
Glycerol and fatty acids combine to form...?
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
28.

Which 2 factors can affect the rate of enzyme activity?

a)

Light intensity

b)

Temperature

c)

pH

d)

Oxygen concentration

29.

Select all substances that are acidic.

a)

Sulfuric Acid- pH 1.2

b)

Pure water- pH 7.0

c)

Sodium Hydroxide- pH 13.0

d)

Hydrochloric Acid- pH 1.0

30.

Select the main components of living cells.

a)

Hydrogen

b)

Calcium

c)

Nitrogen

d)

Sodium

e)

Carbon

31.
Muscles, tendons, and ligaments are made up mostly of
a)
lipid
b)
carbohydrate
c)
protein
d)
nucleic acid
32.
Which of the big 4 is used for long-term energy storage, insulation, and protection? 
a)
Lipids
b)
Proteins
c)
Nucleic acid
d)
Carbohydrates
33.
Sugars (glucose) and starch are examples of this organic molecule:
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
34.

Which two substances are among the six most abundant elements in living things?

a)

carbon (C)

b)

sodium (Na)

c)

fluorine (F)

d)

hydrogen (H)

35.

Which two substances are among the four major types of organic compounds made by living things?

a)

Water

b)

Carbon Dioxide

c)

Lipids

d)

Nucleic Acids

36.

Which two substances are among the six most abundant elements in living things?

a)

Chlorine

b)

Calcium

c)

Nitrogen

d)

Helium

37.

Which two substances are among the four major types of organic compounds made by living things?

a)

carbohydrates

b)

proteins

c)

water

d)

potassium

38.

Which statement best describes the movement of carbon dioxide into or out of a plant during photosynthesis?

a)

it is taken from the air

b)

it is taken from the soil

c)

it is given off into the air

d)

it is given off into the soil

39.

Which model best shows the movement of water during photosynthesis?

a)

atmosphere --> soil

b)

atmosphere --> plant

c)

soil --> plant

d)

plant --> soil

40.
The three particles that make up atoms are 
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and neutrals
d)
protons neutrons, and electrons
41.
If an atom contains 4 protons, 5 neutrons, and 4 electrons, its mass number is
a)
4
b)
5
c)
9
d)
13
42.
If an atom contains 12 protons and 13 neutrons, its atomic number is 
a)
12
b)
13
c)
1
d)
25
43.
Which of the following is a substance formed by the chemical joining of two or more elements in definite amounts?
a)
compound
b)
isotope
c)
nucleus
d)
mixture
44.
Which of the following makes up a molecule of water?
a)
one atom of hydrogen and one atom of oxygen
b)
one atom of sodium and one atom of chlorine
c)
one atom of hydrogen and two atoms of oxygen
d)
two atoms of hydrogen and one atom of oxygen
45.
Which of the following statements about a compound is true?
a)
The physical and chemical properties of a compound are usually very different from those of the elements from which it is formed
b)
Only the physical properties of a compound are usually the same as those of the elements from which it is formed
c)
Only the chemical properties of a compound are usually the same as those of the elements from which it is formed
d)
The physical and chemical properties of a compound are usually the same as those of the elements from which it is formed
46.
A covalent bond is formed as the result of
a)
transferring electrons
b)
sharing electrons
c)
transferring protons
d)
sharing protons
47.
What type of ion forms when an atom loses electrons?
a)
neutral
b)
positive
c)
negative
d)
radioactive
48.
Which property of water allows water striders to walk on water?
a)
adhesion
b)
surface tension
c)
heat capacity
d)
pH
49.
When salt is dissolved in water, water is the 
a)
reactant
b)
solution
c)
solute
d)
solvent
50.
What gives water its unique properties such as surface tension and high heat storage capacity?
a)
size
b)
hydrogen bonds
c)
mass
d)
ionic bonds
51.
If the pH of lemon juice and of soap were measured,
a)
both would be below 7
b)
both would be above 7
c)
the pH of lemon juice would be above 7, but the pH of the soap would be below 7
d)
the pH of lemon juice would be below 7, but the pH of soap would be above 7
52.
Solutions that have more OH- than H+ ions are 
a)
reactants
b)
acids
c)
bases
d)
enzymes
53.
Which of the following is not a monomer?
a)
glucose
b)
amino acid
c)
nucleotide
d)
protein
54.
Amino acid is to protein as
a)
fat is to lipid
b)
DNA is to RNA
c)
sugar is to fat
d)
monosaccharide is to carbohydrate
55.
Which of the following is not a function of proteins?
a)
store an transmit genetic information
b)
helps to fight disease
c)
control the rate of reactions
d)
move substances into or out of cells
56.
A molecule with the chemical formula C8H16O8 is probably what type of macromolecule?
a)
a lipid
b)
a steroid
c)
a nucleotide
d)
a carbohydrate
57.

What are the compounds consisting of repeated linked monomers

a)

a stack of legos

b)

Chains

c)

Polymers

d)

Multiple Monomers

58.

The most common Organic Element found in all Living Things

a)

Carbon

b)

Iron

c)

Mercury

d)

Lead

59.

Amino Acids make up what molecule?

a)

Protiens

b)

Nucleic acids

c)

Lipids

d)

Carbohydrates

60.

Fatty Acids Make up which Molecule

a)

Lipids

b)

Proteins

c)

Nucleotides

d)

Carbohydrates

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