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Cell Theory

Total questions: 20

Worksheet time: 16mins

Name
Class
Date
1.

Which of the following statement is wrong about the cell ?

a)

Cell are the structural and functional unit of body.

b)

All types of cell contain a well defined nucleus.

c)

All the cell arise from pre-existing cell.

d)

Cells are considered as the hereditary units.

2.

Who was the first to observe a living cell ?

a)

Robert Hooke

b)

Anton Van Leewenhoek

c)

Robert Brown

d)

Matthias Shleiden

3.

When did old cell theory came into existance?

a)

1753

b)

1757

c)

1839

d)

1855

4.

Mitochondria is found in______________.

a)

all eukaryotes

b)

all prokaryotes

c)

all plants

d)

all animals

5.

Which of the following is true for prokaryotic cell?

a)

They have organelles

b)

They possess a nucleus

c)

They have a circular DNA

d)

They are large in size

6.

"Cells arise from pre-existing cells only by reproduction" was given by________________.

a)

R. Brown

b)

R. Virchow

c)

R. Hooke

d)

T. Shcwann

7.
Who are the three scientists credited with creating the Cell Theory?
a)
Schlieden, Schwann, Virchow
b)
Schindler, Schmeil, Vanderhoot
c)
Schwimmer, Shanazzek, Van Halen
8.
The second part of Cell Theory states: "All living organisms are made up of cells."
a)
True
b)
False
c)
I don't know
d)
If you say so
9.
______________ are the basic unit of life.
a)
DNA
b)
RNA
c)
Cells
d)
Takis
10.
When observing cells, which of the following pieces of equipment is most appropriate?
a)
Hand lens
b)
Telescope
c)
Petri dish
d)
Microscope
11.
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.  
12.
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.
13.
All organisms are made of:
a)
organelles
b)
cytoplasm
c)
DNA
d)
cells
14.
The basic unit of life is called a (n)
a)
atom
b)
compound
c)
cell
d)
energy
15.
There are three parts to the cell theory. Which is NOT one of those parts?
a)
All organisms are composed of one or more cells.
b)
The cell is the basic unit of structure and organization in organisms.
c)
Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
d)
All cells come from pre-existing cells.
16.
Anton van Leeuwenhoek made his own version of the microscope and discovered something very odd when he looked a the gunk on his teeth. What did he discover?
a)
Cells
b)
Bacteria
c)
Cavities
d)
Influenza
17.
This scientist concluded that animals and, in fact, all living things are made of cells:
a)
Hooke
b)
Leeunwenhoek
c)
Schleiden
d)
Schwann
18.
This scientist was the first to identify cells and name them:
a)
Hooke
b)
Leeunwenhoek
c)
Schleiden
d)
Virchow
19.
This scientist proposed that all cells come from other cells:
a)
Leeunwenhoek
b)
Schleiden
c)
Schwann
d)
Virchow
20.
This scientist observed live cells and observed greater detail:
a)
Hooke
b)
Leeunwenhoek
c)
Virchow
d)
Schwann

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