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Worksheets1-1 Discovering Cells
Total questions: 25
Worksheet time: 13mins
The basic unit of structure and function for all living things is the __.
atom
molecule
cell
DNA
What invention made it possible for people to discover and learn about cells?
thermometer
barometer
satellite
microscope
What instrument makes small objects look larger?
thermometer
electronic balance
graduated cylinder
microscope
A microscope that has more than one lens is called a(n) __.
simple microscope
compound microscope
convex microscope
electron microscope
One of the first people to observe cells by looking at cork is __.
Aristotle
Linnaeus
Hooke
Schleiden and Schwann
All of the following are stated in the cell theory EXCEPT __.
All cells are produced from other cells.
Cells are the basic unit of structure and function of living things.
Cells are the building blocks of matter.
All living things are composed of cells.
True or False: The cell theory holds true for all living things.
True
False
What do a giraffe and leaf have in common?
they are made of cells
their cells lack a nucleus
they are autotrophs
they are unicellular
The ability to make things look larger than they are is called __.
magnification
resolution
classification
experimentation
The ability to clearly distinguish the individual parts of an object is called __.
magnification
resolution
classification
experimentation
Lenses magnify an object by ___.
uses electrons
absorbing light
bending light
increasing temperature
To calculate the total magnification of a compound microscope, you ___ the magnification of the two lenses.
add
subtract
multiply
divide
Calculate total magnification of a compound microscope if one lens has a magnification of 10 and another has a magnification of 40.
40
50
400
500
An electron microscope has better resolution than a light microscope because __.
it uses light
it uses electrons
it uses technology
the specimen is not living
What kind of microscope to do we use in class?
simple microscope
compound light microscope
convex microscope
electron microscope
When making a wet mount, why should a student make sure the edge of the coverslip touches the drop of water before setting it onto the slide?
to increase evaporation
to reduce air bubbles
to clean the slide
to prevent coverslip from breaking
Look at the diagram of the microscope. Which part of the microscope is used to bring the image of an object into focus?
A
B
C
D
The image to the left shows __.
cheek cells
amoeba
cork cells
bacterial cells
Stated that plants and animals were made of cells
Hooke
Leeuwenhoek
Schleiden and Schwann
Virchow
Stated that all cells come from pre-existing cells
Hooke
Leeuwenhoek
Schleiden and Schwann
Virchow
What happens as the power of magnification increases?
As image gets bigger, the field of view gets bigger.
As image gets bigger, the field of view gets smaller.
The field of view stays the same.
Invented a powerful microscope in the 1600s that was used to view pond water and bacteria on teeth
Hooke
Leeuwenhoek
Schleiden and Schwann
Virchow
Cells are __.
the building blocks of living things
the building blocks of everything in the universe
used in dichotomous keys
really big
What does the image show?
making a wet mount
focus a microscope
a commercially prepared slide
moving water on a slide
This image shows cells from a commercially made slide of ___.
cheeks
amoeba
bacteria
cork
