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WorksheetsCell Theory/Characteristics of Organisms
Total questions: 20
Worksheet time: 17mins
Name
Class
Date
1.
Term used to describe a one-celled organism is ________________
a)
multicellular
b)
cellular
c)
single organism
d)
unicellular
2.
Are human beings prokaryotic or eukaryotic?
a)
prokaryotic
b)
eukaryotic
3.
Which describes an organism that produces its own food
a)
heterotroph
b)
chef
c)
autotroph
d)
homeostasis
4.
What does "multicellular" mean?
a)
Has many animals
b)
made up of more than one cell
c)
has one cell
d)
shows similar characteristics to other cells
5.
How many parents are necessary for asexual reproduction?
a)
2
b)
0
c)
3
d)
1
6.
In sexual reproduction, what percent DNA does the offspring get from each parent?
a)
10%
b)
25%
c)
50%
d)
100%
7.
How does a heterotroph get energy?
a)
by eating other organisms
b)
from photosynthesis
c)
from chemosynthesis
d)
they don't need energy
8.
Any living thing is called an
a)
organ
b)
organization
c)
organism
d)
cell
9.
All living things are composed of. . . .(building blocks of living things)
a)
Energy
b)
Cells
c)
Atoms
d)
Bugs
10.
What type of cell does not have a nucleus?
a)
eukaryotic
b)
prokaryotic
11.
____ is credited with being the first scientist to observe cork cells.
a)
Leewenhoek
b)
Shleidon
c)
Hooke
12.
Which statement is a part of the cell theory?
a)
all cells come from preexisting cells
b)
bacteria are prokaryotic cells
c)
eukaryotic cells are complex
d)
humans are multicellular
13.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
pipette
14.
Robert Hooke named the small compartments that made up the cork __________after the rooms monks lived in.
a)
organelles
b)
membranes
c)
mocroscopes
d)
cells
15.
Cell theory states that...
a)
cells are the basic building block of life
b)
cells are cool
c)
cells are microscopic
d)
cells cannot be destroyed
16.
Cells are often called "the ____ of life."
a)
bread
b)
road map
c)
building blocks
d)
meaning
17.
All organisms are made of:
a)
organelles
b)
cytoplasm
c)
DNA
d)
cells
18.
All existing cells are produced by other
a)
living cells
b)
dead cells
c)
atom cells
d)
animal cells
19.
The Cell Theory states...
a)
atoms create all matter
b)
living things evolve
c)
the cell is the backbone of all matter
d)
cells are the basic unit of structure and organization of organisms
20.
A plant and an animal are both living things. According to the Cell Theory, what can you conclude about these two very different organisms?
a)
Plants have cells but animals do not.
b)
They are both made of one or more cells.
c)
They both come from the same kind of cell.
d)
They both come from a non-living organism.
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