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Cell Theory and Microscopes

Total questions: 15

Worksheet time: 16mins

Name
Class
Date
1.

The picture shows a ladybug on the petal of a flower. Both the ladybug and the flower

a)

have wings.

b)

have antennae.

c)

are made of cells.

d)

are supported by stems.

2.

A single celled organism is called _____.

a)

cell

b)

unicellular

c)

organelle

d)

multicellular

3.

___________ made his own microscope and discovered bacteria. He called them "animalcules".

a)

Hooke

b)

Leeuwenhooke

c)

Schwann

d)

Schleiden

4.

How did the microscope influence the development of cell theory?

a)

Let to them asking more questions and making more discoveries.

b)

Allowed scientist to investigate plants and animals in their world.

c)

Realized that living things are made of cells.

d)

All of the above.

5.

_________ is an instrument that makes small objects look larger.

a)

cell

b)

organisms

c)

microscope

d)

bacteria

6.

What is the name of the scientist who studied animal cells and realized all animals are made of cells?

a)

Leeuwenhooke

b)

Schwann

c)

Virchow

d)

Hooke

7.

When an organism is made up of more than one cell it is called ____________.

a)

unicellular

b)

organelle

c)

multicellular

d)

organism

8.

An __________ is a tiny cell structure within a cell that carries out a specific function.

a)

organism

b)

organelle

c)

unicellular

d)

cell

9.

Which is NOT a part of the cell theory

a)

All organisms are composed of one or more cells.

b)

The cell is the basic unit of structure and organization in organisms.

c)

All cells come from preexisting cells.

d)

The invention of the microscope allowed scientist to investigate plant and animal cells.

10.

Who coined the term "cell" by looking at cork?

a)

Hooke

b)

Leeuwenhooke

c)

Schwann

d)

Virchow

11.

A ________ is a living thing.

a)

organelle

b)

cell

c)

organism

d)

multicellular

12.
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
13.
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.  
14.
Cells are often called "the ____ of life."
a)
bread
b)
road map
c)
building blocks
d)
meaning
15.

Which is an example of a multicellular organism?

a)

amoeba

b)

bacteria

c)

worm

d)

yeast