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WorksheetsCharacteristics of Cells & Functions
Total questions: 20
Worksheet time: 20mins
Name
Class
Date
1.
What is the smallest structural and functional unit of living things?
a)
organ
b)
cell
c)
tissue
d)
atom
2.
What did Robert Hooke build so he could see tiny objects?
a)
a microscope
b)
a telescope
c)
a spectrascope
d)
a camera
3.
What did Hooke call the little boxes that cork is made of?
a)
crates
b)
boxes
c)
cells
d)
atoms
4.
Why didn't Hooke think animals were made of cells?
a)
Hooke couldn't see animal cells.
b)
Animals do not have cells.
c)
Animal cells have cell walls
d)
Animal cells are too dry.
5.
Where did Anton Van Leeuwenhoek find what he called animcules?
a)
in animal blood
b)
in bread dough
c)
in cells
d)
in pon scum
6.
What are the single-celled living things found in pond water called?
a)
blood
b)
proteins
c)
protists
d)
yeast
7.
What theory says that living things are made of cells?
a)
organic theory
b)
tissue theory
c)
structrual theory
d)
cell theory
8.
According to cell theory, what is the basic piece of all living things?
a)
organ
b)
tissue
c)
blood
d)
cell
9.
According to cell theory, where do all cells come from?
a)
water
b)
air
c)
cells
d)
food
10.
What is one cell that is big enough to be seen without a microscope?
a)
a chicken egg yolk
b)
a cork bark cell
c)
a blood cel
d)
a bacteria cell
11.
The layer that protects every cell from its environment is called the...
a)
cell membrane
b)
nucleus
c)
organelles
d)
cytoplasm
12.
The fluid inside every cell is called...
a)
cytoplasm
b)
organlles
c)
cell membrane
d)
DNA
13.
Structures in every cell that have specific jobs are called...
a)
organelles
b)
cell membrane
c)
nucelus
d)
cytoplasm
14.
Plant and animal cells store DNA in an organelle called a(n)...
a)
nucleus
b)
cell membrane
c)
cytoplasm
d)
ribosomes
15.
Cells that have a nucleus are...
a)
eukaryotic
b)
prokaryotic
16.
Cells that do not have a nucleus are...
a)
eukaryotic
b)
prokaryotic
17.
Where in the nucleus does a cell begin to make its ribosomes?
a)
nuclear membrane
b)
nuclear pore
c)
nucleolus
d)
The nucleus doesn't make ribosomes
18.
What cell organelle makes proteins?
a)
nucleus
b)
cell membrane
c)
nucleolus
d)
ribosomes
19.
What kind of endoplasmic reticulum (ER) makes lipids and breaks down harmful materials?
a)
smooth ER
b)
rough ER
c)
spiral ER
d)
nuclear ER
20.
What organelle breaks down sugar to release energy?
a)
Golgi complex
b)
lysosomes
c)
ribosomes
d)
mitchondria
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