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Cell Theory

Total questions: 35

Worksheet time: 28mins

Name
Class
Date
1.

____ is credited with being the first scientist to observe cork cells.

a)

Leewenhoek

b)

Shleidon

c)

Hooke

2.

Cells that are only made of (a)   cell are called unicellular.

3.

Bacteria is classified as a what?

a)

Prokaryote

b)

Eukaryote

4.

There are three types of bacteria - Coccus, Bacilli, & Spirilla. Which of the following picture shows the spirilla.

a)
b)
c)
5.
Which of the following statements is not part of the cell theory?
a)
Cells are the basic unit of structure and function in all living things.
b)
All cells are produced from other cells.
c)
Only animal cells are composed of cells.
d)
All living things are composed of cells.
6.
The invention of the microscope made it possible for people to discover and learn about
a)
Plants
b)
Skin 
c)
Animals 
d)
Cells
7.
What is one way in which all living things on Earth are alike?
a)
All living things have hair.
b)
All living things are made of cells and come from other cells.
c)
The cells of all living things have chloroplast.
d)
All living things can move. 
8.
When cells are damaged, new cells are created by cell division. How does the cell theory support this fact?
a)
It states that all cells have a nucleus which divides.
b)
It states that all living things are made up of one or more cells.
c)
It states that cells come from previously existing cells.
d)
 It states that the basic units of structure and function are cells.
9.
All existing cells are produced by other
a)
living cells
b)
dead cells
c)
atom cells
d)
animal cells
10.
This is the most basic unit of life
a)
atom
b)
cell
c)
nucleus
d)
DNA
11.
Cells come only from what?
a)
existing cells
b)
nucleus
c)
fission
d)
budding
12.
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
13.
The ___ is the basic unit of sturucture and function of organisms
a)
atom
b)
cell
c)
matter
d)
all other answers are correct
14.
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
15.
What tool do you use to view the cells?
a)
metric ruler
b)
centrifuge
c)
microscope
d)
pipette
16.

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

17.

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

18.
Cells are often called "the ____ of life."
a)
bread
b)
road map
c)
building blocks
d)
meaning
19.
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.
20.

Which instrument is credited for helping scientists develop cell theory?

a)
b)
c)
d)
21.

Robert Hooke, Anton van Leeuwenhoek, Theodor Schwann, Rudolf Virchow, and Matthias Schliden were all responsible for what theory?

a)

The Theory of Gravity

b)

The Theory of Relativity

c)

The Cell Theory

d)

The Theory of Continental Drift

22.

Lastly cell theory states....

a)

cells don't do much

b)

cells are microscopic

c)

all living things are made up of cells (either unicellular or multicellular)

d)

bacteria aren't cells

23.

Prokaryotes DO NOT HAVE...

a)

DNA

b)

flagella

c)

a membrane bound nucleus

d)

ribosomes

24.

Eukaryotes DO HAVE

a)

a membrane bound nucleus

b)

a virus

c)

pili

d)

antibacterial protection

25.

Bacteria is

a)

Eukaryotic

b)

Prokaryotic

26.

A plant cell is

a)

Eukaryotic

b)

Prokaryotic

27.

Which is not true of the cell theory?

a)

All living organisms are composed of cells.

b)

All cells have a nucleus, which acts like a brain of the cell.

c)

All cells come from preexisting cells.

28.

Homeostasis in a cell is a way for the cell to stay ...

a)

Balanced

b)

Alive

c)

Growing

d)

Dividing

29.

Where do cells come from?

a)

Dead cells

b)

Soil

c)

Other existing cells

d)

Free cell formation

30.

This type of cell doesn't contain a nucleus.

a)

Prokaryotic

b)

Eukaryotic

c)

Fungi

d)

Bacteria

e)

Body Cells

31.

This type of cell does contain a nucleus.

a)

Prokaryotic

b)

Eukaryotic

c)

Bacteria Cells

d)

Archaebacteria

32.
Why are microscopes important when studying most cells?
a)
Most cells are very large.
b)
Most cells are very small.  
c)
Most cells move very quickly.
d)
Most cells are dead.  
33.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
34.
All organisms are made of:
a)
organelles
b)
cytoplasm
c)
DNA
d)
cells
35.
Which of the following is NOT one of the basic points of Cell Theory?
a)
All living things are made of cells.
b)
The cell is the smallest living thing that can perform all the functions of life.
c)
Cells are too small to see without a microscope.  
d)
All cells must come from pre-existing cells.