Biochemistry Quiz
Authored by Azrisan Ahsan
Physical Ed
12th Grade
Used 1+ times
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of the human body is composed of oxygen?
45%
55%
65%
75%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is matter?
Anything that has mass only
Anything that occupies space only
Anything that has mass and occupies space
Anything that can be seen
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these is an element?
Water
Carbon dioxide
Oxygen
Salt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three main subatomic particles?
Protons, electrons, atoms
Protons, neutrons, electrons
Neutrons, atoms, electrons
Atoms, molecules, electrons
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is most of an atom's mass located?
In the electrons
In the nucleus
In the electron shells
Evenly distributed throughout
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the identity of an element?
Number of neutrons
Number of protons
Number of electrons
Atomic mass
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the atomic number?
Number of protons
Number of neutrons
Number of electrons
Number of protons plus neutrons
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