WorksheetsCell Theory and Microscopes
Total questions: 24
Worksheet time: 12mins
Who first used the term "cell" to describe the empty "rooms" he saw in his microscope?
Leeuwenhoek
Virchow
Pasteur
Hooke
In 1673, this person used an improved microscope to observe bacteria from teeth scraping and red blood cells.
Leeuwenhoek
Flemming
Pasteur
Schwann
What is the basic unit of life in all living things?
atoms
molecules
cells
elements
All cells come from...
existing cells
matter
spontaneous generation
electrical impulses
All living things are made of one or more...
electrons
atoms
molecules
cells
Who was the Englishman who drew the cell structure of a slice of cork?
Schwann
Hooke
Pasteur
Leeuwenhoek
Who was the Dutch merchant that discovered "animalcules" when he looked at pond water?
Leeuwenhoek
Hooke
Virchow
Schwann
Schwann, Schleiden, and Virchow are credited with what?
creating the first microscope
seeing the first animals
introducing cells to the scientific community
developing the cell theory
What did Theodore Schwann propose?
all animals are made up of cells
all plants are made up of cells
swans are made up of cells
cells come from other cells
What did Schleiden do?
gave the cell its name while looking at cork
proposed that all plants are made of cells
was the first to state that all animals are made of cells
determined cells must come from existing cells
Rudolf Virchow (1855) stated that...
no new cells are ever formed
all living cells are there at birth
birth to death, you have the same number of cells
all cells come from existing cells
Cells are the basic unit of life.
True
False
What is Cell Theory?
all organisms are made up of one or more cells
the cell is the basic unit of life
all cells come from existing cells
All of these are parts of Cell Theory
What is Cell Theory?
all animals evolved from another animal
the idea that humans evolved from apes
the theory that all cells are made of only water
all living things are made up of cells
The arrow is pointing to this part of the microscope.
stage
arm
eye piece
light source
The arrow is pointing to this part of the microscope.
base
objective lenses
stage
arm
The arrow is pointing to this part of the microscope.
lens focus
objective lenses
eye piece
base
The arrow is pointing to this part of the microscope.
base
stage
lens focus
eye piece
The arrow is pointing to this part of the microscope.
base
arm
lens focus
light source
The arrow is pointing to this part of the microscope.
eye piece
stage
objective lenses
arm
The arrow is pointing to this part of the microscope.
arm
light source
lens focus
stage
To get TOTAL magnification, you multiply the ocular lens x the objective lens
True
False
The invention of this item made it possible to see the small world of single celled animals.
telescope
centrifuge
microscope
x-ray machine
Which is NOT a part of modern Cell Theory?
all cell come from existing cells
cell aren't important for living organisms
all organisms are made of one or more cells
the cell is the basic unit of life
