Cell Theory
SC.912.L.14.1
Anton van Leeuwenhoek, who is considered to be
the father of microscopy, began his work by learning
to grind and polish lenses to increase their
magnification. Which of the following best describes
the impact of the invention of the microscope?
A. It led
led to
to the
the discovery
discoveryof
ofcells
cellsand
andadvanced
advancedour
our
understanding
of cellular
cellularprocesses.
processes.
understanding of
B. It led to the invention of the telescope and
enabled us to view distant stars and planets.
C. It led to the discovery of genetic trait inheritance
patterns.
D. It led to the invention of new techniques for
creating medicines.
According to cell theory, where do all living cells
come from?
A. stem cells
B. existing
existing cells
cells
C. ribosomes
D. gametes
Which of the following is considered to be the most
basic unit of life?
A. cells
B. DNA
C. cytoplasm
D. ribosomes
According to modern cell theory, new cells arise from preexisting cells. This phenomenon has been observed using
electron microscopes and light microscopes. Which of the
following best explains why cell theory is still considered a
theory and not a law, even when there is observable
evidence to support it?
A. Other aspects of cell theory do not have direct,
observable evidence.
B. Many of the aspects of cell theory aren't testable using
scientific methods.
C. The theory has not yet gained wide enough acceptance
to become known as a law.
D. Cell theory
theory isis aa summary
summaryof
ofaasupported
supportedhypothesis,
hypothesis,not
anot
generalized
observation.
a generalized
observation.
According to cell theory, how is hereditary
information transmitted?
A.
It is
is passed
passed from
from old
oldcells
cellsto
tonew
newcells
cellsduring
duringcell
cell
A. It
division.
division.
B. It is passed from gametes to body cells during
fertilization.
C. It is passed between daughter cells and parent
cells during meiosis.
D. It is passed between haploid cells and diploid
cells during DNA replication.
Which of the following statements is NOT part of
the modern cell theory?
A. All cells come from pre-existing cells.
B. Each cell has
has aa unique
uniquechemical
chemicalcomposition.
composition.
C. The cell is the basic unit of life in an organism.
D. All living things are made up of one or more cells.
A virus is a small, infectious agent that replicates
itself inside the living cells of organisms. Which of
the following explains why viruses, themselves, are
not considered living things?
A. Although viruses contain DNA, they do not have
RNA.
B. Viruses do not have the capability to undergo
sexual reproduction.
C. All living
living things
thingsare
aremade
madeup
upof
ofone
oneorormore
morecells,
cells,
and viruses
viruses aren't
aren't made
madeup
upof
ofcells.
cells.
D. Viruses cause disease in living organisms, which
can result in the death of that organism.
According to modern cell theory, the activity of an
organism is dependent upon which of the following?
A. the
the total
total activities
activitiesof
ofindependent
independentcells
cells
A.
B. specialized cells that carry out metabolic
processes
C. the ability of cells to undergo both mitosis and
meiosis
D. cells known as gametes, which are involved in
sexual reproduction
The cell theory was first proposed in 1838. Evidence
obtained through additional scientific investigations
resulted in the current cell theory. Which statement
describes a component of the original cell theory
that was removed because of the new scientific
knowledge?
A. All living things are made of cells.
B. All cells come from other preexisting cells.
Cellsform
form
through
spontaneous
generation.
C. Cells
through
spontaneous
generation.
D. Cells are the basic structural and functional units
of life.
Which of the following is NOT a principle of the cell
theory?
a)
cells
reproduce.
a) Very
Veryfew
few
cells
reproduce
b) Cells are the basic units of life.
c) All living things are made of cells.
d) All cells are produced by existing cells.
OUT OF 10 QUESTIONS
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•
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1/10 = 10%
2/10 = 20%
3/10 = 30%
4/10 = 40%
5/10 = 50%
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•
•
•
•
6/10 = 60%
7/10 = 70%
8/10 = 80%
9/10 = 90%
10/10 = 100%